ASTM A20.A20M 2013.pdf

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Standard Speciﬁcation for

General Requirements for Steel Plates for Pressure Vessels

11

This standard is

This standard is issueissued d under the under the ﬁxed designaﬁxed designation A20/A20tion A20/A20M; M; the number the number immedimmediately followiniately following g the designatithe designation on indicaindicates the tes the yearyear of original adoption or, in the

of original adoption or, in the case of revision, the year case of revision, the year of last of last revisrevision. A number in parenthesion. A number in parentheses indicates the year of es indicates the year of last reapprolast reapproval.val. A superscript epsilon (

A superscript epsilon (´´_{) indicates an editorial change since the last revision or reapproval.}_{) indicates an editorial change since the last revision or reapproval.}

This standard has been approved for use by agencies of the Department of Defense.

1.

1. ScoScope*pe* 1.1

1.1 This general requThis general requiremenirements specificatiots specificationn22covers a groupcovers a group of common requirements that, unless otherwise specified in the of common requirements that, unless otherwise specified in the applicable product specification, apply to rolled steel plates for applicable product specification, apply to rolled steel plates for pre

pressussure re vesvessels sels covcovereered d by by eaceach h of of the the folfollowlowing ing proproducductt speciﬁc

speciﬁcations issued ations issued by ASTM:by ASTM:

T

Tiittlle e oof f SSppeecciiﬁﬁccaattiioon n AASSTTM M DDeessiiggnnaattiioonnAA

Pressure Vessel Plates, Alloy Steel, Nickel

Pressure Vessel Plates, Alloy Steel, Nickel A203/A203MA203/A203M

Pressure Vessel Plates, Alloy Steel, Molybdenum

Pressure Vessel Plates, Alloy Steel, Molybdenum A204/A204MA204/A204M

Pressure Vessel Plates, Alloy Steel,

Manganese-Vanadium

Vanadium

A225/A225M

Press

Pressure Vessel Plates, Carbon ure Vessel Plates, Carbon Steel, Low- Steel, Low- andand

Intermediate-Tensile Strength

A285/A285M

Pressure Vessel Plates, Carbon Steel, Manganese-Silicon

Pressure Vessel Plates, Carbon Steel, Manganese-Silicon A299/A299MA299/A299M

Manganese-Molybdenum and Manganese-Manganese-Molybdenum-Nickel

Molybdenum and Manganese-Molybdenum-Nickel

A302/A302M

Press

Pressure Vessel Plates, Alloy Steel, ure Vessel Plates, Alloy Steel, 9 9 PercenPercent t NickelNickel

Double-Normalized and Tempered

A353/A353M

Chromium-Molybdenum

Molybdenum

A387/A387M

Pressure Vessel Plates, Carbon Steel, High Strength

Manganese

A455/A455M

Pressure Vessel Plates, Carbon Steel, for

Intermediate-and Higher-Temperature Service

and Higher-Temperature Service

A515/A515M

Pressure Vessel Plates, Carbon Steel, Moderate- and

Lower-Temperature Service

A516/A516M

Pressure Vessel Plates, Alloy Steel, High-Strength,

Quenched and Tempered

A517/A517M

Pressure Vessel Plates, Alloy Steel, Quenched and

Tempered Molybdenum and

Manganese-Molybdenum- Nickel

Molybdenum- Nickel

A533/A533M

Pressure Vessel Plates, Heat-Treated,

Carbon-Manganese-Silicon Steel

Manganese-Silicon Steel

A537/A537M

Tempered Chromium-Molybdenum

A542/A542M

Tempered Nickel-Chromium-Molybdenum

A543/A543M

Tempered 8 and 9 Percent Nickel

A553/A553M

T

Tiittlle e oof f SSppeecciiﬁﬁccaattiioon n AASSTTM M DDeessiiggnnaattiioonnAA

Pressure Vessel Plates, Carbon Steel,

Manganese-Titanium for Glass or Diffused Metallic Coatings

Titanium for Glass or Diffused Metallic Coatings

A562/A562M

Pressu

Pressure re VesVessel Plates, sel Plates, Carbon Steel, High Carbon Steel, High StrengStrength, forth, for

Moderate and Lower Temperature Service

A612/A612M

Pressure Vessel Plates, Five Percent Nickel Alloy Steel,

Specially Heat Treated

A645/A645M

Pressure Vessel Plates, Carbon-Manganese, for

Moderate and Lower Temperature Service

A662/A662M

Pressure Vessel Plates, Carbon Steel, Quenched and

Tempered, for Welded Layered Pressure Vessels

A724/A724M

Pressure Vessel Plates, Alloy Steel and High-Strength

Low-Alloy Steel, Quenched and Tempered

A734/A734M

Pressure Vessel Plates, Low-Carbon

Manganese-Molybdenum-Columbium Alloy Steel, for Moderate and

Molybdenum-Columbium Alloy Steel, for Moderate and

Lower Temperature Service

A735/A735M

Pressure Vessel Plates, Low-Carbon Age-Hardening

Nickel-Copper-Chromium-Molybdenum-Columbium Nickel-Copper-Chromium-Molybdenum-Columbium Alloy Steel Alloy Steel A736/A736M A736/A736M

Pressure Vessel Plates, High-Strength Low-Alloy Steel

Pressure Vessel Plates, High-Strength Low-Alloy Steel A737/A737MA737/A737M

Pressure Vessel Plates, Heat-Treated,

Carbon-Manganese-Silicon Steel, for Moderate and Lower

Manganese-Silicon Steel, for Moderate and Lower

Temperature Service

A738/A738M

Chromium-Molybdenum-Vanadium

Molybdenum-Vanadium

A832/A832M

Pressu

Pressure re VesVessel Plates, sel Plates, ProducProduced ed by by the Thermo-the

Thermo-Mechanical Control Process (TMCP)

Mechanical Control Process (TMCP)

A841/A841M

Pressure Vessel Plates, 9 % Nickel Alloy, Produced

by the Direct-Quenching Process

A844/A844M

Chromium-Molybdenum-Tungsten

Molybdenum-Tungsten

A1017/A1017M

Pressure Vessel Plates, Alloy Steel, Higher Strength

Chromium-Molybdenum-Tungsten Chromium-Molybdenum-Tungsten A1041/A1041M A1041/A1041M A A

These designations refer to the latest issue of the respective speciﬁcation which

appears in the

appears in the Annual Book of ASTM Standards Annual Book of ASTM Standards , Vol 01.04., Vol 01.04.

1.1.1

1.1.1 This general requirThis general requirements speciﬁements speciﬁcation also covers acation also covers a gro

group up of of supsuppleplemenmentartary y reqrequiruiremeements nts thathat t are are appapplicalicable ble toto several of the above product specifications as indicated therein. several of the above product specifications as indicated therein. Such requirements are provided for use if additional testing or Such requirements are provided for use if additional testing or additional restrictions are required by the purchaser, and apply additional restrictions are required by the purchaser, and apply only if specified individually in the purchase order.

only if speciﬁed individually in the purchase order. 1.2

1.2 Appendix X1 Appendix X1 provides information on coil as a source provides information on coil as a source of plates for pressure vessels.

of plates for pressure vessels. 1.3

1.3 Appendix X2 Appendix X2 provides information on the variability of provides information on the variability of tensile properties in plates for pressure vessels.

tensile properties in plates for pressure vessels.

1

This speciﬁcation is under the jurisdiction of ASTM Committee

This speciﬁcation is under the jurisdiction of ASTM Committee A01 A01 on Steel, on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.11

A01.11 on Steel Plates for Boilers and Pressure Vessels. on Steel Plates for Boilers and Pressure Vessels. Curre

Current nt editiedition on approvapproved ed Oct. 1, Oct. 1, 2013. Publish2013. Published ed OctobOctober er 2013. Original2013. Originallyly approved in 1950. Last previous edition approved in 2011 as A20/A20M – 11. DOI: approved in 1950. Last previous edition approved in 2011 as A20/A20M – 11. DOI: 10.1520/A0020_A0020M-13.

10.1520/A0020_A0020M-13. 2

2

For ASME Boiler and Pressure Vessel Code applications, see related For ASME Boiler and Pressure Vessel Code applications, see related Speciﬁca-tion SA-20/SA-20M in SecSpeciﬁca-tion II of that Code.

tion SA-20/SA-20M in Section II of that Code.

*A Summary of Changes section appears at the end of this standard *A Summary of Changes section appears at the end of this standard

1

Copyright ASTM International Copyright ASTM International

Provided by IHS under license with ASTM

Provided by IHS under license with ASTM Licensee=ILicensee=ISATIS Group SATIS Group http://st2014http://st2014.ir.ir

Not for Resale,

Not for Resale, 11/08/2013 23:25:25 MST11/08/2013 23:25:25 MST

No reproduction or networking permitted without license from IHS No reproduction or networking permitted without license from IHS

-` ` , , , , , , , , , , ` ` ` ` ` ` , , , , ` ` ` ` , , , , , , , , ` ` ` ` , , ` ` , , ` ` , , ` ` ` ` , , , , , , -` ` -` ` , , , , ` ` , , , , ` ` , , ` ` , , , , ` `

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-1.4

1.4 Appendix X3 Appendix X3 provides information on the variability of provides information on the variability of Charpy-V-Notch impact test properties in plates for pressure Charpy-V-Notch impact test properties in plates for pressure vessels.

vessels. 1.5

1.5 Appendix X4 Appendix X4 provides information on cold bending of provides information on cold bending of plat

plates, es, inclincludiuding ng sugsuggesgested ted minminimuimum m insinside ide radradii ii for for colcoldd bending.

bending. 1.6

1.6 TheThese se matematerialrials s are intendare intended ed to to be be suisuitabtable le for fusiofor fusionn welding. When the steel is to be welded, it is presupposed that welding. When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended a welding procedure suitable for the grade of steel and intended use or service will be utilized.

use or service will be utilized. 1.7

1.7 In case of any conflict in requiremIn case of any conflict in requirements, the requirents, the requirementsements of the applicable product specification prevail over those of this of the applicable product specification prevail over those of this general requirements specification.

general requirements speciﬁcation. 1.8

1.8 AddAdditioitional nal reqrequiruiremenements ts thathat t are are spespeciﬁeciﬁed d in in the the purpur- -ch

chasase e orordeder r anand d accaccepepted ted by by the the susupppplielier r are are pepermrmittitteded,, pro

providvided ed thathat t sucsuch h reqrequiruiremenements ts do do not negatnot negate e any of any of thethe requirements of this general requirements specification or the requirements of this general requirements specification or the applicable product specification.

applicable product speciﬁcation. 1.9 For

1.9 For purpurposposes es of of detdetermerminiining ng conconforformanmance ce witwith h thithiss general requirements specification and the applicable product general requirements specification and the applicable product specific

speciﬁcation, values are to be ation, values are to be rounrounded to the ded to the nearesnearest unit t unit in thein the rig

right-ht-hanhand d plaplace ce of of ﬁguﬁgures res used used in in expexpresressinsing g the the limilimitingting valu

values es in in accaccordordancance e with the with the roundirounding ng methmethod od of of PraPracticcticee E29

E29.. 1.10

1.10 The values stated in either SI units or inch-pThe values stated in either SI units or inch-pound unitound unitss are to be regarded separately as standard. The values stated in are to be regarded separately as standard. The values stated in each system

each system may may not not be be exaexact ct equequivaivalenlents; ts; thetherefreforeore, , eacheach system shall be used independently of the other. Combining system shall be used independently of the other. Combining values from the two systems may result in non-conformance values from the two systems may result in non-conformance with the standard.

with the standard. 1.1

1.11 1 This general requireThis general requirements specificaments specification and the tion and the appli- appli-cable product specification are expressed in both inch-pound cable product specification are expressed in both inch-pound units and SI units; unless the order specifies the applicable “M” units and SI units; unless the order specifies the applicable “M” sp

spececiﬁciﬁcatiation on dedesisigngnatiation on (S(SI I unitsunits), ), ththe e plplatates es arare e to to bebe furni

furnished shed to to inch-inch-pound units.pound units. 2.

2. ReferencReferenced Documeed Documentsnts 2.1

2.1 ASTM Standards: ASTM Standards:33 A203/A203M

A203/A203M Speciﬁcation for Pressure Speciﬁcation for Pressure VVessel Plates,essel Plates,AlloyAlloy

Steel, Nickel

A204/A204M

Steel, Molybdenum

A225/A225M

Steel, Manganese-Vanadium-Nickel

A285/A285M

A285/A285M Speciﬁcation for Pressure Vessel Plates, Car- Speciﬁcation for Pressure Vessel Plates,

Car-bon

bon Steel, Steel, Low- Low- and and IntermIntermediate-ediate-TTensile ensile StrenStrengthgth

A299/A299M

Car-bon Steel, Manganese-Silicon

bon Steel, Manganese-Silicon

A302/A302M

Ste

Steel, el, ManManganganeseese-M-Molyolybdbdenuenum m and and ManManganganeseese-

-Molybdenum-Nickel

Molybdenum-Nickel

A353/A353M

A353/A353M Speciﬁcation for Pressure V Speciﬁcation for Pressure Vessel Plates,essel Plates,AlloyAlloy

Steel, Double-Normalized and Tempered 9 % Nickel

A370

A370 Test Methods and Deﬁnitions for Mechanical Testing Test Methods and Deﬁnitions for Mechanical Testing

of Steel Products

A387/A387M

Steel, Chromium-Molybdenum

A435/A435M

A435/A435MSpeSpeciﬁciﬁcatication on for for StrStraigaight-ht-Beam Beam UltrUltrasoasonicnic

Examination of Steel Plates

A455/A455M

Car-bon

bon Steel, Steel, High-High-StrenStrength gth MangaManganesenese

A515/A515M

Car-bon Steel, for Intermediate- and Higher-Temperature

bon Steel, for Intermediate- and Higher-Temperature

Ser-vice

vice

A516/A516M

Car-bon Steel, for Moderate- and Lower-Temperature Service

bon Steel, for Moderate- and Lower-Temperature Service

A517/A517M

Steel, High-Strength, Quenched and Tempered

A533/A533M

Steel, Quenched and Tempered, Manganese-Molybdenum

and Manganese-Molybdenum-Nickel

A537/A537M

A537/A537M Speciﬁcation for Pressure Vessel Plates, Heat- Speciﬁcation for Pressure Vessel Plates,

Heat-Treated, Carbon-Manganese-Silicon Steel

Treated, Carbon-Manganese-Silicon Steel

A542/A542M

St

Steeeel, l, QuQuenenchcheded-a-andnd-T-Temempeperered, d, ChChroromimiumum-

-Molybdenum, and Chromium-Molybdenum-Vanadium

Molybdenum, and Chromium-Molybdenum-Vanadium

A543/A543M

Stee

Steel, l, QueQuenchnched ed and and TTempempered ered NickNickel-Cel-Chrohromiumium-

m-Molybdenum

Molybdenum

A553/A553M

Steel, Quenched and Tempered 8 and 9 % Nickel

A562/A562M

Car-bon

bon SteeSteel, l, ManManganganeseese-T-Titanitanium ium for for GlaGlass ss or or DifDiffusfuseded

Metallic

Metallic CoatingCoatingss

A577/A577M

A577/A577M Speciﬁcat Speciﬁcation ion for for UltrasoUltrasonic Angle-Beam Ex-nic Angle-Beam

Ex-amination of Steel Plates

amination of Steel Plates

A578/A578M

A578/A578MSpeSpeciﬁciﬁcatication on for for StrStraigaight-ht-Beam Beam UltrUltrasoasonicnic

Examination of Rolled Steel Plates for Special

Applica-tions

tions

A612/A612M

Car-bon Steel, High Strength, for Moderate and Lower

bon Steel, High Strength, for Moderate and Lower

Tem-perature Service

perature Service

A645/A645M

A645/A645M Speciﬁcation for Pressure Vessel Plates, 5 % Speciﬁcation for Pressure Vessel Plates, 5 %

and 5

and 511

⁄

⁄ 22 % Nickel Alloy Steels, Specially Heat Treated % Nickel Alloy Steels, Specially Heat Treated

A662/A662M

A662/A662M SpeSpeciﬁcciﬁcatioation n for for PresPressursure e VVesseessel l PlatPlates,es,

Carbo

Carbon-Mn-Mangaanganesenese-Sili-Silicon con SteelSteel, , for for ModModerate erate andand

Lower Temperature Service

A700

A700 Practices for Packaging, Marking, and Loading Meth- Practices for Packaging, Marking, and Loading

Meth-ods for Steel Products for Shipment

ods for Steel Products for Shipment

A724/A724M

A724/A724M SpeSpeciﬁcciﬁcatioation n for for PresPressursure e VVesseessel l PlatPlates,es,

Car

Carbobon-n-ManMangaganesnese-Se-Siliilicon con SteSteel, el, QuQuenencheched d andand

Tempered, for Welded Pressure Vessels

A734/A734M

Steel and High-Strength Low-Alloy Steel,

Quenched-and-Tempered

Tempered

A735/A735M

A735/A735M Speciﬁcation for Pressure Vessel Plates, Low- Speciﬁcation for Pressure Vessel Plates,

Low-Carbon

Carbon Manganese-Manganese-MolybdenMolybdenum-Columbum-Columbium ium AlloyAlloy

Steel, for Moderate and Lower Temperature Service

3

For referenced ASTM standards, visit the ASTM website, www.astm.org, or For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [email protected]. For

contact ASTM Customer Service at [email protected]. For Annual Book of ASTM Annual Book of ASTM

Standards

Standards volume information, refer to the standard’s Document Summary page on volume information, refer to the standard’s Document Summary page on

the ASTM website. the ASTM website.

2 2

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--`,,,,,```,,``,,,,``,`,`,``,,,-`-`,,`,,`,`,,`---A736/A736M

A736/A736M Speciﬁcation for Pressure Vessel Plates, Low- Speciﬁcation for Pressure Vessel Plates,

Low-Carb

Carbon on Age-Age-HardHardeninening g NickNickel-Coel-Copperpper-Chr-Chromiuomium-

m-Molybdenum-Columbium Alloy Steel

Molybdenum-Columbium Alloy Steel

A737/A737M

A737/A737M Speciﬁcation for Pressure Vessel Plates, High- Speciﬁcation for Pressure Vessel Plates,

High-Streng

Strength, th, Low-ALow-Alloy lloy SteelSteel

A738/A738M

A738/A738M Speciﬁcation for Pressure Vessel Plates, Heat- Speciﬁcation for Pressure Vessel Plates,

Heat-Tre

Treated, ated, CarbonCarbon-Mang-Manganese-anese-Silicon Silicon Steel, Steel, for for ModerModerateate

and Lower Temperature Service

A751

A751 Test Methods, Practices, and Terminology for Chemi- Test Methods, Practices, and Terminology for

Chemi-cal Analysis of Steel Products

cal Analysis of Steel Products

A770/A770M

A770/A770M Speciﬁcation for Through-Thickness Tension Speciﬁcation for Through-Thickness Tension

Testing of Steel Plates for Special Applications

A832/A832M

Steel,

Steel, Chromium-Molybdenum-VChromium-Molybdenum-Vanadiumanadium

A841/A841M

A841/A841MSpeSpeciﬁcciﬁcatioation n for for SteeSteel l PlaPlates tes for for PrePressussurere

V

Vessels, essels, ProduProduced ced by by ThermoThermo-Mech-Mechanical anical ControControl l Pro-

Pro-cess (TMCP)

cess (TMCP)

A844/A844M

A844/A844MSpSpececiﬁciﬁcatiation on fofor r SteSteel el PlPlateates, s, 9 9 % % NiNickckelel

All

Alloyoy, , for for PrePressussure re VVessessels, els, ProProducduced ed by by the the DirDirect-

ect-Quenching Process

Quenching Process

A941

A941 Terminology Relating to Steel, Stainless Steel, Related Terminology Relating to Steel, Stainless Steel, Related

Alloys

Alloys, , and and FerroFerroalloysalloys

A1017/A1017M

A1017/A1017MSpeSpeciﬁcciﬁcatioation n for for PrePressussure re VVessessel el PlatPlates,es,

Alloy Steel, Chromium-Molybdenum-Tungsten

A1041/A1041M

A1041/A1041MSpeSpeciﬁcciﬁcatioation n for for PrePressussure re VVessessel el PlatPlates,es,

Alloy

Alloy Steel, Steel, HigheHigher r StrengStrength th ChromChromium-Mium-Molybdolybdenum-

enum-Tungsten

Tungsten (Withdrawn 2013) (Withdrawn 2013)44 E21

E21 Test Methods Test Methods for Elevated for Elevated Temperature TTemperature Tension Tests of ension Tests of

Metallic

Metallic MateriMaterialsals

E29

E29PraPracticctice e for for UsiUsing ng SigSigniﬁniﬁcancant t DigDigits its in in TTest est DatData a toto

Determine Conformance with Speciﬁcations

E112

E112 Test Methods for Determining Average Grain Size Test Methods for Determining Average Grain Size

E208

E208TTest est MetMethod hod for for ConConducductinting g DroDrop-Wp-Weigeight ht TTest est toto

Determ

Determine ine Nil-DuNil-Ductility ctility TraTransition Tempensition Temperaturrature e of of Fer-

Fer-ritic Steels

ritic Steels

E709

E709 Guide for Magnetic Particle Testing Guide for Magnetic Particle Testing

2.2

2.2 American Society of Mechanical Engineers Code: American Society of Mechanical Engineers Code:55 ASME Boiler

ASME Boiler and Pressure Vesand Pressure Vessel Codesel Code Sec Sectition on IXIX,,

Welding, Brazing, and Fusing Qualiﬁcations

2.3

2.3 U.S. Federal Standard: U.S. Federal Standard:66 Fed. Std. No. 123

Fed. Std. No. 123 Marking for Shipment (Civil Agencies) Marking for Shipment (Civil Agencies)

2.4

2.4 Automotive Industry Action Group Standard: Automotive Industry Action Group Standard:77 B 1

B 1 Bar Code Symbology Standard Bar Code Symbology Standard

3.

3. TTerminologyerminology 3.1

3.1 Definitions of Terms Specific to This Standard: Definitions of Terms Specific to This Standard: 3.1.1

3.1.1 coil— coil— hot-rolled steel in coil form for processing intohot-rolled steel in coil form for processing into ﬁnished plates.

ﬁnished plates.

3.1.2

3.1.2 exclusive— exclusive— whwhen en usused ed in in rerelatlatioion n to to rarangngeses, , as as foforr ranges of thicknesses in the tables of permissible variations in ranges of thicknesses in the tables of permissible variations in dimensions, the term is intended to exclude only the greater dimensions, the term is intended to exclude only the greater value of the range. Thus, a range from 60 to 72 in. [1500 to value of the range. Thus, a range from 60 to 72 in. [1500 to 1800 mm]

1800 mm] exclusive exclusive includes 60 in. [1500 mm], but does not includes 60 in. [1500 mm], but does not include 72 in. [1800 mm].

include 72 in. [1800 mm]. 3.1.3

3.1.3 hea heat t trtreateatmenment t termterms— s— seesee 3.1.8 3.1.8,, and and TTerminoerminologylogy A941

A941.. 3.1.4

3.1.4 hot fohot formingrming— — a forming operation producing perma-a forming operation producing perma-nent deformation, performed after the plate has been heated to nent deformation, performed after the plate has been heated to the temperature required to produce grain reﬁnement.

the temperature required to produce grain reﬁnement. 3.1.5

3.1.5 manufacturer— manufacturer— the organization that directly controlsthe organization that directly controls the conve

the conversirsion on of of steesteel l ingingots or ots or slaslabs, by bs, by hot rollinhot rolling, g, intintoo pla

plate-ate-as-rs-rollolled ed or or into coil; into coil; and and for for plaplates tes proproducduced ed frofromm pla

plate-ate-as-rs-rollolled, ed, the the ororganganizatization ion thathat t dirdirectlectly y concontrotrols, ls, or or isis res

responponsibsible le forfor, , one one or or mormore e of of the the opeoperatrationions s invinvolvolved ed inin finishing the plates. Such finishing operations include leveling, finishing the plates. Such finishing operations include leveling, cutting to length, testing, inspection, conditioning, heat cutting to length, testing, inspection, conditioning, heat treat-ment (if applicable), packaging, marking, loading for shiptreat-ment, ment (if applicable), packaging, marking, loading for shipment, and certification.

and certiﬁcation. 3.1.5.1

3.1.5.1 Discussion— Discussion— The The ﬁniﬁnishishing ng opeoperatrationions s neeneed d not not bebe done by the organization that did the hot rolling of the plate. done by the organization that did the hot rolling of the plate. For plates produced from coil, see also

For plates produced from coil, see also 3.1.1 3.1.1.. 3.1.6

3.1.6 plate identiﬁer— plate identiﬁer— the alpha, numeric, or alphanumericthe alpha, numeric, or alphanumeric designation used to identify the plate.

designation used to identify the plate. 3.1.7

3.1.7 plates— plates— ﬂat ﬂat hothot-ro-rolled lled stesteel, el, ordordereered d to to thithicknckness ess oror weight and typically to width and length, commonly available weight and typically to width and length, commonly available by size as follows: by size as follows: W Wiiddtthh, , iinn. . [[mmmm] ] TThhiicckknneessss, , iinn. . [[mmmm]] O Ovveer r 8 8 [[220000] ] oovveer r 00..22229 9 [[66..0 0 mmm m aannd d oovveerr]] O Ovveer r 448 8 [[11220000] ] oovveer r 00..11779 9 [[44..6 6 mmm m aannd d oovveerr]] 3.1.7.1

3.1.7.1 Discussion— Discussion— SteSteel el plaplates tes are are avaavailabilable le in in varvariouiouss thi

thickncknessess, , widwidth, th, and and lenlength gth comcombinbinatioations ns depdependendent ent upouponn equipment and processing capabilities of various equipment and processing capabilities of various manufactur-ers and processors. Historic limitations of a plate based upon ers and processors. Historic limitations of a plate based upon dim

dimensensionions s (th(thickicknesness, s, widwidth, th, and and lenlengthgth) ) do do not not taktake e intintoo acco

account unt curcurrenrent t proproducductiotion n and and proprocescessinsing g capcapabiabilitilities. es. TToo qualify any plate to a particular product specification requires qualify any plate to a particular product specification requires that all appropriate and necessary tests be performed and that that all appropriate and necessary tests be performed and that the results meet the limits prescribed in that product the results meet the limits prescribed in that product specifi-cation. If the necessary tests required by a product specification cation. If the necessary tests required by a product specification can not be conducted, the plate can not be qualified to that can not be conducted, the plate can not be qualified to that specification. This general requirements specification contains specification. This general requirements specification contains permitted variations for the commonly available sizes. permitted variations for the commonly available sizes. Permit-ted variations for other sizes are subject to agreement between ted variations for other sizes are subject to agreement between the purchaser and

the purchaser and the manufacturethe manufacturer r or or proceprocessorssor, , whichewhichever isver is applicable.

applicable. 3.1.8

3.1.8 precip precipitation itation heat heat treatreatment— tment— a a subcrsubcritical tempera-itical tempera-tur

ture e thethermarmal l treatreatmetment nt perperformed formed to to caucause se preprecipcipitatitation ion of of submicroscopic constituents, and so forth, to result in submicroscopic constituents, and so forth, to result in enhance-ment of some desirable property.

ment of some desirable property. 3.1.9

3.1.9 processor— processor— the organization that directly controls, orthe organization that directly controls, or is responsible for, operations involved in the processing of coil is responsible for, operations involved in the processing of coil int

into o ﬁniﬁnisheshed d plaplatestes. . SucSuch h proprocescessinsing g opeoperatrationions s incincludludee deco

decoiliniling, g, levelevelingling, , cuttcutting ing to to lenglength, th, testtestinging, , insinspectpection,ion, cond

conditionitioning, ing, heat heat treattreatment ment (if (if applapplicabicable), le), packpackaginaging,g, marking, loading for shipment, and certiﬁcation.

marking, loading for shipment, and certiﬁcation.

4

The last

The last appapproveroved d versversion ion of of this historthis historicaical l stastandandard rd is is refereferencrenced ed onon www.astm.org.

www.astm.org. 5

5

Av

Availabailable le from American from American SocieSociety ty of of MechMechanicaanical l EnginEngineers eers (ASME(ASME), ), ASMEASME Intern

Internationaational l HeadqHeadquarteruarters, s, Three Park Three Park AAve., ve., New York, NY New York, NY 1001610016-5990, http:// -5990, http:// www.asme.org.

www.asme.org. 6

6

Av

Availabailable le from from StandStandardizaardization tion DocumDocuments ents Order Order Desk, DODSSPDesk, DODSSP, , Bldg. 4,Bldg. 4, Sec

Sectiotion n D, D, 700 700 RobRobbinbins s AAve.ve., , PhPhilailadeldelphiphia, a, PPA A 1911911111-50-5098, 98, htthttp:/p:// / dodssp.daps.dla.mil.

dodssp.daps.dla.mil. 7

7

Available from Automotive Industry Action Group (AIAG), 26200 Lahser Rd., Available from Automotive Industry Action Group (AIAG), 26200 Lahser Rd., Suite 200, Southﬁeld, MI 48033, http://www.aiag.org.

Suite 200, Southﬁeld, MI 48033, http://www.aiag.org.

3 3

Not for Resale,

- ` ` , , , , , , , , , , ` ` ` ` ` ` , , , , ` ` ` ` , , , , , , , , ` ` ` ` , , ` ` , , ` ` , , ` ` ` ` , , , , , , - ` ` - - ` ` , , , , ` ` , , , , ` ` , , ` ` , , , , ` ` -

(4)

-3.1.9.1

3.1.9.1 Discussion— Discussion— The processing operations need not beThe processing operations need not be done by the organization that did the hot rolling of the coil. If done by the organization that did the hot rolling of the coil. If on

only ly onone e ororgaganinizazatiotion n is is ininvovolvlved ed in in ththe e hohot t rorollilling ng anandd processing operations, that organization is termed the

processing operations, that organization is termed the manu- manu- facturer

facturer for the hot rolling operation and the for the hot rolling operation and the processor processor for the for the pro

processcessing ing opeoperatrationions. s. If If more more than one than one ororganganizatization ion is is inin-vo

volvlved ed in in ththe e hohot t rorollilling ng and and prprococesessinsing g operoperatatioionsns, , ththee organization that did the hot rolling is termed the

organization that did the hot rolling is termed the manufacturer manufacturer and the organization that does one or more processing and the organization that does one or more processing opera-tions is termed a

tions is termed a processor processor .. 3.2

3.2 Refer to TRefer to Terminerminologyology A941 A941 for additional terms used in for additional terms used in this

this standastandard.rd. 4.

4. OrdeOrdering Informring Informationation 4.1 Order

4.1 Orders s shoshould uld incincludlude e the the folfollowlowing ing infinformormatioation, n, asas necessary, to adequately describe the desired product.

necessary, to adequately describe the desired product. 4.1.1

4.1.1 QuantiQuantity (weight [mass] or number of plates),ty (weight [mass] or number of plates), 4.1.2

4.1.2 DimensDimensions,ions, 4.1.3

4.1.3 Name of Name of prodproduct (for example, plates, carbon steel;uct (for example, plates, carbon steel; plates, alloy steel),

plates, alloy steel), 4.1.4

4.1.4 SpeciﬁcSpeciﬁcation designatiation designation (including type, class, on (including type, class, andand grade as applicable) and year-date,

grade as applicable) and year-date, 4.1

4.1.5 Condi.5 Condition tion (as-(as-rollrolled, ed, normaliznormalized, ed, quenquenched ched andand tempered, etc. If heat treatment of plate is to be performed by tempered, etc. If heat treatment of plate is to be performed by the fabricator, this is to be stated. Also, if purchaser speciﬁes a the fabricator, this is to be stated. Also, if purchaser speciﬁes a heat-treatment cycle, this is to be stated),

heat-treatment cycle, this is to be stated), 4.1.6

4.1.6 Impact test requImpact test requiremenirements, if any (see Sectionts, if any (see Section 12 12). (For). (For Charpy V-notch test, include test specimen orientation, testing Charpy V-notch test, include test specimen orientation, testing temperature, and acceptance criteria. For drop-weight test, give temperature, and acceptance criteria. For drop-weight test, give testing temperature),

testing temperature), 4.1.7

4.1.7 ExclusExclusion of either plates prodion of either plates produced from coil or platesuced from coil or plates pro

producduced ed frofrom m plaplate-te-as-as-rolrolledled, , if if appapplicalicableble. . (Se(Seee 5.45.4 andand Appendix X1

Appendix X1.).) 4.

4.1.1.8 Limi8 Limits ts fofor r grgrain ain rereﬁnﬁning ing eleelemenments ts otother her ththanan aluminum, if applicable (see

aluminum, if applicable (see 8.3.2 8.3.2)),, 4.1.9

4.1.9 Paint markiPaint marking (seeng (see 13.2.1 13.2.1)),, 4.1.1

4.1.10 0 SuppSupplementarlementary y requirrequirements, if ements, if any (test any (test specimespecimenn heat treatment, special impact test requirements, etc.), and heat treatment, special impact test requirements, etc.), and

4.1.1

4.1.11 1 AdditiAdditional requiremenonal requirements, ts, if if anyany.. 5.

5. MateMaterialrials s and Manufactand Manufactureure 5.1

5.1 The steel shall be The steel shall be made in an made in an open-hearth, basic-oxygen,open-hearth, basic-oxygen, or electric-arc furnace, possibly followed by additional reﬁning or electric-arc furnace, possibly followed by additional reﬁning in a ladle metallurgy furnace (LMF), or by another method; or in a ladle metallurgy furnace (LMF), or by another method; or second

secondary ary melting by melting by vacuuvacuum-arc m-arc remelting remelting (V(VAR), AR), electroelectro- -slag remelting (ESR), or another method.

slag remelting (ESR), or another method. 5.2

5.2 The steel may be strand cast or cast in stationThe steel may be strand cast or cast in stationary moldsary molds.. 5.2.1

5.2.1 Strand Cast Slabs: Strand Cast Slabs: 5.2.1

5.2.1.1 .1 If heats of the If heats of the same nominal chemicsame nominal chemical compositial compositionon are

are conconsecusecutivetively ly strstrand cast and cast at at one time, one time, the heat the heat numnumberber assigned to the cast product (slab) may remain unchanged until assigned to the cast product (slab) may remain unchanged until all of the steel in the slab is from the following heat.

all of the steel in the slab is from the following heat. 5.2

5.2.1..1.2 When 2 When two two conconsecsecutivutively ely strastrand nd cast cast heaheats ts havhavee different nominal chemical composition ranges, the different nominal chemical composition ranges, the manufac-turer shall remove the transition material by any established turer shall remove the transition material by any established procedure that positively separates the grades.

procedure that positively separates the grades.

5.3

5.3 The ratio The ratio of of redreductiuction on of of thicknthickness ess frofrom m a a strstrandand-cas-castt slab to plate shall be at least 3.0:1, except that reduction ratios slab to plate shall be at least 3.0:1, except that reduction ratios as low as 2.0:1 are permitted if all of the following limitations as low as 2.0:1 are permitted if all of the following limitations are met:

are met: 5.3

5.3.1 .1 The purchThe purchaseaser r agragrees to ees to the use the use of of sucsuch h redreductuctionion ratios.

ratios. 5.3.2

5.3.2 The applicabThe applicable product speciﬁle product speciﬁcation iscation is A299/A299M A299/A299M,, A515/A515M

A515/A515M,, A516/A516M A516/A516M,, A537/A537M A537/A537M,, A662/A662M A662/A662M, or, or A737/A737M

A737/A737M.. 5.3

5.3.3 .3 The speciThe speciﬁed plate thickﬁed plate thicknesness s is 3.0 is 3.0 in. [75 mm] in. [75 mm] oror more.

more. 5.3.4

5.3.4 One or more of the following low hydroOne or more of the following low hydrogen practicegen practicess are

are used: vacuum used: vacuum degasdegassing during sing during steelmasteelmaking; controlledking; controlled soakin

soaking of g of the slabs or plates; or the slabs or plates; or controcontrolled slow cooling of thelled slow cooling of the slabs or plates.

slabs or plates. 5.3.5

5.3.5 The sulfur coThe sulfur content is 0.004 % or less, based upontent is 0.004 % or less, based upon heatn heat analysis.

analysis. 5.

5.3.3.6 6 OnOne e or or momore re of of ththe e follofollowiwing ng prpractacticeices s arare e ususeded:: electromagnetic stirring during strand casting; soft reduction electromagnetic stirring during strand casting; soft reduction during strand casting; heavy pass reductions or other special during strand casting; heavy pass reductions or other special practic

practices during plate es during plate rollinrolling; or g; or combincombined forging and ed forging and rollinrollingg during plate rolling.

during plate rolling. 5.3.7

5.3.7 The plates are The plates are ultrasoultrasonically examinnically examined in ed in accordaccordanceance with Speciﬁcation

with Speciﬁcation A578/A578M A578/A578M,, Level C based on continuous Level C based on continuous scanning over 100 % of the plate surface.

scanning over 100 % of the plate surface. 5.3

5.3.8 The .8 The platplates es are are thrthrougough-th-thichicknekness ss tentensiosion n testtested ed inin accord

accordance ance with with SpeciﬁSpeciﬁcationcation A770/A770M A770/A770M.. 5.4

5.4 Unless otherUnless otherwise speciﬁed in the purchase orderwise speciﬁed in the purchase order, plates, plates shall be produced from plate-as-rolled or from coil.

shall be produced from plate-as-rolled or from coil. 5.5

5.5 Coils are excluded from qualiﬁcaCoils are excluded from qualiﬁcation to the tion to the applicapplicableable pro

producduct t spespeciﬁcciﬁcatioation n untuntil il thethey y are are decdecoiloiled, ed, levleveledeled, , cut cut toto len

lengthgth, , and tested by and tested by the procesthe processor in sor in accoaccordardance with nce with thethe speciﬁ

speciﬁed ed requirequirementrements s (see (see SectionSectionss 9 9,, 1010,, 1111,, 12 12,, 13 13,, 14 14,, 15 15,, 16

16,, andand 2020.).) 5.5

5.5.1 Plates .1 Plates proproducduced ed frofrom m coil coil shashall ll not not concontain splicetain splice welds, unless approved by the purchaser.

welds, unless approved by the purchaser. 6.

6. Heat THeat Treatmenreatment:t: 6.

6.1 If 1 If plplatates es arare e rereququirired ed to to be be heheat at trtreaeateted, d, ththe e heheatat tr

treateatmement nt shshall all be be peperfrforormed med by by ththe e mamanunufafactucturerrer, , ththee processor, or the fabricator, unless otherwise specified in the processor, or the fabricator, unless otherwise specified in the applicable product specification.

applicable product speciﬁcation. 6.2

6.2 If the heat treatment requireIf the heat treatment required by the d by the applicapplicable produable productct sp

specieciﬁcﬁcatiation on is is to to be be peperfrformeormed d by by ththe e purcpurchahaser ser or or ththee pur

purchachaserser’s ’s ageagent, and nt, and the plates are the plates are to to be be supsuppliplied ed by by thethe ma

manunufafactucturerer r or or prprococesessosor r in in a a cocondnditiition on ototheher r ththan an ththatat required by the applicable product speciﬁcation, the order shall required by the applicable product speciﬁcation, the order shall so state.

so state. 6.2

6.2.1 .1 If If platplates es are are ordordered withoered without ut the heat the heat tretreatmeatment nt rere-quired by the applicable product speciﬁcation, heat treatment quired by the applicable product speciﬁcation, heat treatment of the plates to conform to the requirements of the applicable of the plates to conform to the requirements of the applicable pro

producduct t spespeciﬁciﬁcatication on shashall ll be be the the resresponponsibsibilitility y of of the the purpur- -chaser.

chaser. 6.3

6.3 If heat treatmenIf heat treatment is to t is to be perforbe performed, the plates shall bemed, the plates shall be heat treated as specified in the applicable product specification. heat treated as specified in the applicable product specification. Th

The e pupurcrchahaseser r mamay y spspeciecify fy ththe e heheat at trtreateatmement nt to to be be ususeded,, 4

4

-` ` , , , , , , , , , , ` ` ` ` ` ` , , , , ` ` ` ` , , , , , , , , ` ` ` ` , , ` ` , , ` ` , , ` ` ` ` , , , , , , -` ` -` ` , , , , ` ` , , , , ` ` , , ` ` , , , , ` `

(5)

-pr

provovidided ed it it is is not not in in coconflnflicict t wiwith th ththe e rereququirirememenents ts of of ththee applicable product specification.

applicable product speciﬁcation. 6.4

6.4 If normalizIf normalizing is to ing is to be performbe performed by the ed by the fabricfabricatorator, the, the plates shall be either normalized or heated uniformly for hot plates shall be either normalized or heated uniformly for hot forming, provided that the temperature to which the plates are forming, provided that the temperature to which the plates are he

heateated d fofor r hohot t foformrmining g does does nonot t sisigngniﬁciﬁcanantly tly exexceceed ed ththee normalizing temperature.

normalizing temperature. 6.5

6.5 If If no no heaheat t tretreatmeatment nt is is reqrequiruired, the ed, the manmanufaufactucturer orrer or processor shall have the option of heat treating the plates by processor shall have the option of heat treating the plates by normalizing, stress relieving, or normalizing and then stress normalizing, stress relieving, or normalizing and then stress relieving to meet the requirements of the applicable product relieving to meet the requirements of the applicable product speciﬁcation.

speciﬁcation. 6.6

6.6 If approveIf approved by d by the purchasthe purchaser, cooliner, cooling rates g rates faster thanfaster than tho

those se obtobtainained ed by by coocoolinling g in in air air are permisare permissibsible le to to achachievievee speciﬁed mechanical properties, provided that the plates are speciﬁed mechanical properties, provided that the plates are subsequently tempered in the temperature range from 1100 to subsequently tempered in the temperature range from 1100 to 1300°F [595 to 705°C].

1300°F [595 to 705°C]. 7.

7. ChemChemical Compoical Compositisitionon 7.1

7.1 Heat Analysis: Heat Analysis: 7.

7.1.1.1 1 SaSampmplinling g fofor r chchememicaical l ananalyalysisis s anand d memeththodods s of of analysis shall be in accordance with Test Methods, Practices, analysis shall be in accordance with Test Methods, Practices, and Terminology

and Terminology A751 A751.. 7.1.2

7.1.2 For each heat, the heat analysis shall incluFor each heat, the heat analysis shall include determi-de determi-nation of the content of carbon, manganese, phosphorus, sulfur, nation of the content of carbon, manganese, phosphorus, sulfur, silicon

silicon, , nickelnickel, , chromchromium, ium, molybdenummolybdenum, , coppecopper, r, vanadvanadium,ium, columbium; any other element that is specified or restricted by columbium; any other element that is specified or restricted by the applicable product specification for the applicable grade, the applicable product specification for the applicable grade, class, and type; aluminum, if the aluminum content is to be class, and type; aluminum, if the aluminum content is to be used in place of austenitic grain size testing of the heat (see used in place of austenitic grain size testing of the heat (see 8.3.2.1

8.3.2.1); ); and any and any othother er ausaustentenitic grain itic grain refirefininning g elemelement forent for which limits are specified in the purchase order (see

which limits are speciﬁed in the purchase order (see 8.3.2 8.3.2)).. 7.

7.1.1.3 3 HeHeat at ananalyalyses ses shshalall l coconfnfororm m to to ththe e heheat at ananalalysysisis req

requiruiremeements nts of of the the appapplicalicable ble proproducduct t spespeciﬁcciﬁcatioation n for for thethe applica

applicable grade, class, ble grade, class, and type. In and type. In additioaddition, for n, for elemenelements ts thatthat are listed in

are listed in Table 1 Table 1 but are not specified or restricted in the but are not specified or restricted in the applicable product specification for the applicable grade, class, applicable product specification for the applicable grade, class, and type, heat analyses shall conform to the applicable heat and type, heat analyses shall conform to the applicable heat analysis limits given in

analysis limits given in Table 1 Table 1.. 7.2

7.2 Product Analysis: Product Analysis: 7.2.1

7.2.1 SamplinSampling for chemical analysis and methog for chemical analysis and methods of analy-ds of analy-sis shall be in accordance with Test Methods, Practices, and sis shall be in accordance with Test Methods, Practices, and Terminology

Terminology A751 A751.. 7.2.2

7.2.2 For each plate-as-rFor each plate-as-rolled, the purchasolled, the purchaser shall have theer shall have the option of chemically analyzing a broken tension test specimen option of chemically analyzing a broken tension test specimen or a sample taken from the same relative location as that from or a sample taken from the same relative location as that from which the tension test specimen was obtained.

which the tension test specimen was obtained. 7.2

7.2.3 .3 For elemenFor elements ts thathat t are specifiare specified ed or or resrestritricted by cted by thethe applicable product specification for the applicable grade, class, applicable product specification for the applicable grade, class, an

and d tytypepe, , prprododucuct t ananalyalyseses s shall shall coconfnfororm m to to ththe e prprododucuctt analysis requirements of the applicable product speciﬁcation analysis requirements of the applicable product speciﬁcation for the applicable grade, class, and type.

for the applicable grade, class, and type. 7.2

7.2.4 .4 For elemeFor elements that nts that are listed inare listed in T Table able 11 bu but t arare e nonott specified or restricted by the applicable product specification specified or restricted by the applicable product specification for the applicable grade, class, and type, product analyses shall for the applicable grade, class, and type, product analyses shall con

conforform m to to the the appapplicalicable ble proproduct duct anaanalyslysis is limilimits ts givgiven en inin Table 1

Table 1..

7.3

7.3 Referee Analysis— Referee Analysis— For referee purposes, Test Methods,For referee purposes, Test Methods, Practices, and Terminology

Practices, and Terminology A751 A751 shall be used. shall be used. 8.

8. MetallurgicaMetallurgical Structurel Structure 8.1 Where

8.1 Where ausaustenitenitic tic gragrain in size testinsize testing g is is reqrequiruired, ed, sucsuchh testing shall be a McQuaid Ehn test in accordance with Test testing shall be a McQuaid Ehn test in accordance with Test Methods

Methods E112 E112 an and d at at leleasast t 70 70 % % of the of the grgrainains s in in ththe e arareaea examined shall meet the speciﬁed grain size requirement. examined shall meet the speciﬁed grain size requirement.

8.2

8.2 Coarse Austenitic Grain Size— Coarse Austenitic Grain Size— Where coarse austeniticWhere coarse austenitic grain size is speciﬁed one austenitic grain size test per heat grain size is speciﬁed one austenitic grain size test per heat shall be made and the grain size number so determined shall be shall be made and the grain size number so determined shall be in the range of 1 to 5 inclusive.

in the range of 1 to 5 inclusive. 8.3

8.3 Fine Austenitic Grain Size: Fine Austenitic Grain Size: 8.3

8.3.1 .1 ExcExcept as ept as alloallowed inwed in 8.3.2 8.3.2,, and when fine austenitic and when fine austenitic grain size is specified, or when the producer elects to determine grain size is specified, or when the producer elects to determine the grain size, one McQuaid Ehn test per heat shall be made the grain size, one McQuaid Ehn test per heat shall be made and the austenitic grain size number so determined shall be 5 and the austenitic grain size number so determined shall be 5 or higher, and the chemical requirements of

or higher, and the chemical requirements of 8.3.2 8.3.2 do not apply. do not apply.

N

NOTEOTE 1—Such austenitic grain size numbers may be achieved with 1—Such austenitic grain size numbers may be achieved with

lower contents of austenitic grain reﬁning elements than

lower contents of austenitic grain reﬁning elements than 8.3.2 8.3.2 requires for requires for

austenitic grain size testing to be waived.

TABLE 1 Limits on Elements (see and )

Copper, max % Copper, max %AA Heat analysis Heat analysis Product analysis Product analysis 0.40 0.40 0.43 0.43 Nickel, max %

Nickel, max %AA _{Heat analysis}_{Heat analysis}

Product analysis Product analysis 0.40 0.40 0.43 0.43 Chromi

Chromium, max um, max %%AA,,B B

Heat analysis Heat analysis Product analysis Product analysis 0.30 0.30 0.34 0.34 Molybdenum, max % Molybdenum, max %AA,,B B Heat analysis Heat analysis Product analysis Product analysis 0.12 0.12 0.13 0.13 Vanadium, max %

Vanadium, max %C C _{Heat analysis}_{Heat analysis}

Product analysis Product analysis 0.03 0.03 0.04 0.04 Columbium, max % Columbium, max %D D Heat analysis Heat analysis Product analysis Product analysis 0.02 0.02 0.03 0.03 Titanium, max %

Titanium, max %E E

Heat analysis Heat analysis Product analysis Product analysis 0.03 0.03 0.04 0.04 B Boorroonn, , mmaax x % % HHeeaat t aannaallyyssiiss Product analysis Product analysis 0.0010 0.0010 0.0015 0.0015 A A

In addition for each heat, based upon the heat analysis, the sum of copper,

nickel, chromium, and molybdenum shall not exceed 1.00 %, unless one or more

of those elements are speciﬁed or restricted by the applicable product speciﬁcation

for the applicable grade, class, and type.

for the applicable grade, class, and type. B

B

In addition for each heat, based upon the heat analysis, the sum of chromium

and molybdenum shall not exceed 0.32 %, unless one or both of those elements

are speciﬁed or restricted by the applicable product speciﬁcation for the applicable

grade, class, and type.

grade, class, and type. C

C

By agreement between the purchaser and the supplier, the heat analysis limit for

vanadium is permitted to be increased to a value not higher than 0.10 %, and the

product analysis limit for vanadium is permitted to be increased to a value not

higher than 0.11 %.

higher than 0.11 %. D

D

columb

columbium is permitted to be ium is permitted to be increaincreased to a sed to a value not higher that 0.05 %, value not higher that 0.05 %, and theand the

product analysis limit for columbium is permitted to be increased to a value not

higher than 0.06 %.

higher than 0.06 %. E

E

titanium is permitted to be increased to a value not higher than 0.04 %, and the

product analysis limit for titanium is permitted to be increased to a value not higher

than 0.05 %.

5 5

Not for Resale,

-` ` , , , , , , , , , , ` ` ` ` ` ` , , , , ` ` ` ` , , , , , , , , ` ` ` ` , , ` ` , , ` ` , , ` ` ` ` , , , , , , -` ` -` ` , , , , ` ` , , , , ` ` , , ` ` , , , , ` `