BS EN 10228-2 2016

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Non-destructive testing of steel

forgings

Part 2: Penetrant testing

BSI Standards Publication

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This British Standard is the UK implementation of EN 10228-2:2 This British Standard is the UK implementation of EN 10228-2:2 016.016. It supersedes BS EN 10228-2:1998 which is withdrawn.

It supersedes BS EN 10228-2:1998 which is withdrawn. The UK participation in

The UK participation in its preparation was entrusted to Technicalits preparation was entrusted to Technical Committee ISE/111, Steel

Committee ISE/111, Steel Castings and Forgings.Castings and Forgings.

A list of organizations represented on this committee can be A list of organizations represented on this committee can be obtained on request to its secretary.

obtained on request to its secretary.

This publication does not purport to include all the necessary This publication does not purport to include all the necessary provisions of a contract. Users are

provisions of a contract. Users are responsible for its correctresponsible for its correct application.

application.

© The British Standards Institution 2016. Published by BSI Standards © The British Standards Institution 2016. Published by BSI Standards Limited 2016 Limited 2016 ISBN 978 0 580 80530 1 ISBN 978 0 580 80530 1 ICS 77.040.20; 77.140.85 ICS 77.040.20; 77.140.85

Compliance with a British Standard cannot confer immunity from Compliance with a British Standard cannot confer immunity from legal obligations.

legal obligations.

This British Standard was

This British Standard was published under the authority of thepublished under the authority of the Standards Policy and Strategy Committee on 30 June 2016. Standards Policy and Strategy Committee on 30 June 2016. Amendment

Amendments issued s issued since publicationsince publication D

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NORME EUROPÉENNE

EUROPÄISCHE NORM

June 2016

ICS

ICS 77.040.20; 77.040.20; 77.140.85 77.140.85 SupersedesSupersedes EN 10228-2:1998EN 10228-2:1998

English Version

Non-destructive testing of steel forgings - Part 2: Penetrant

testing

Essais non destructifs des pièces forgées en acier Essais non destructifs des pièces forgées en acier

-Partie 2 : Contrôle par ressuage Partie 2 : Contrôle par ressuage

Zerstörungsfreie Prüfung von

Zerstörungsfreie Prüfung von SchmiedestückSchmiedestücken ausen aus Stahl - Teil 2: Eindringprüfung

Stahl - Teil 2: Eindringprüfung This European Standard was approved by CEN on 3 October 2015.

This European Standard was approved by CEN on 3 October 2015. CEN members are bound to

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the ccomply with the CEN/CENELEC Internal Regulations which stipulate the c onditions for giving thisonditions for giving this European Standard the status of

European Standard the status of a national standard without any a national standard without any alteration. Up-to-date lists and bibliographical referencesalteration. Up-to-date lists and bibliographical references concerning such national standards may

concerning such national standards may be obtained on application to be obtained on application to the CEN-CENELEC Managemethe CEN-CENELEC Management Centre or nt Centre or to any CENto any CEN member.

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a

translation under the responsibility of a CEN member into its CEN member into its own language and notified to own language and notified to the CEN-CENELEthe CEN-CENELEC ManagementC Management Centre has the

Centre has the same status as the official versions.same status as the official versions. CEN members are the n

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, ational standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

United Kingdom.

EUROPEAN COMMITTEE FOR

EUROPEAN COMMITTEE FOR STANDARDIZATSTANDARDIZATIONION C O M I T É E U R O P É E N D E N O R M A L I S A T I O N C O M I T É E U R O P É E N D E N O R M A L I S A T I O N E U R O P Ä I S C H E S K O M I T E

E U R O P Ä I S C H E S K O M I T E E F Ü R N O R M U N GE F Ü R N O R M U N G

CEN-CENELEC

CEN-CENELEC Management Management Centre: Centre: Avenue Marnix Avenue Marnix 17, 17, B-1000 B-1000 BrusselsBrussels

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European foreword

This document (EN 10228-2:2016) has been prepared by Technical Committee ECISS/TC 111 “Steel This document (EN 10228-2:2016) has been prepared by Technical Committee ECISS/TC 111 “Steel castings and forgings”, the secretariat of which is

castings and forgings”, the secretariat of which is held by AFNOR.held by AFNOR.

This European Standard shall be given the status of a national standard, either by publication of an This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2016

identical text or by endorsement, at the latest by December 2016 and conflicting national standardsand conflicting national standards shall be withdrawn at the

shall be withdrawn at the latest by December 2016.latest by December 2016.

Attention is drawn to the possibility that some of the elements of this document may be the subject of Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC]

patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all shall not be held responsible for identifying any or all such patentsuch patent rights.

rights.

This document supersedes

This document supersedes EN 10228-2:1998EN 10228-2:1998..

Annex A provides the significant technical changes to

Annex A provides the significant technical changes to the previous versionthe previous version EN 10228-2:1998EN 10228-2:1998.. EN 10228 consists of the following parts under the general title

EN 10228 consists of the following parts under the general title Non-destructive testing of steel forgingsNon-destructive testing of steel forgings:: —

— Part 1: Magnetic particle inspectionPart 1: Magnetic particle inspection;; —

— Part 2: Penetrant testingPart 2: Penetrant testing;; —

— Part 3: Ultrasonic testing of ferritic or martensitic steel Part 3: Ultrasonic testing of ferritic or martensitic steel forgingsforgings;; —

— Part 4: Ultrasonic testing of austenitic and austenitic-ferritic stainless steel forgings.Part 4: Ultrasonic testing of austenitic and austenitic-ferritic stainless steel forgings.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

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1 1 Scope

Scope

This European Standard describes techniques and acceptance criteria to be used for the penetrant This European Standard describes techniques and acceptance criteria to be used for the penetrant testing of steel forgings. The method described is used for the

testing of steel forgings. The method described is used for the detection of surface discontinuities.detection of surface discontinuities.

2 2 Normative references

Normative references

The following documents, in whole or in part, are normatively referenced in this document and are The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition

references, the latest edition of the referenced document (including any amendments) applies.of the referenced document (including any amendments) applies. EN ISO 3059

EN ISO 3059,, Non-destructive testing Non-destructive testing — — Penetrant Penetrant testing and testing and magnetic particle magnetic particle testing testing — — ViewingViewing conditions (

conditions ( ISO 3059ISO 3059 ) ) EN ISO 3452-1

EN ISO 3452-1,, Non-destructive testing — Penetrant testing — Part 1: General principles ( Non-destructive testing — Penetrant testing — Part 1: General principles ( ISO 3452-1ISO 3452-1 ) ) EN ISO 3452-2

EN ISO 3452-2,, Non-destructive testing — Penetrant testing — Part 2: Testing of penetrant materialsNon-destructive testing — Penetrant testing — Part 2: Testing of penetrant materials (

( ISO 3452-2ISO 3452-2 ) ) EN ISO 3452-4

EN ISO 3452-4,, Non-destructive testing — Penetrant testing — PNon-destructive testing — Penetrant testing — Part 4: Equipment ( art 4: Equipment ( ISO 3452-4ISO 3452-4 ) ) EN ISO 9712

EN ISO 9712,, Non-destructive testing — Qualification and certification of NDT personnel ( Non-destructive testing — Qualification and certification of NDT personnel ( ISO 9712ISO 9712 ) ) EN ISO

EN ISO 12706:2012706:200909,, Non-destructive testing — Penetrant testing — Vocabulary ( Non-destructive testing — Penetrant testing — Vocabulary ( ISO 12706:2009ISO 12706:2009 ) )

3 3 Terms and definitions

Terms and definitions

For the purposes of this document, the terms

For the purposes of this document, the terms and definitions given inand definitions given in EN ISO EN ISO 12706:20012706:20099 apply. apply.

4 4 Items for agreement

Items for agreement

The following aspects concerning penetrant testing shall be agreed between the purchaser and the The following aspects concerning penetrant testing shall be agreed between the purchaser and the supplier at the time of

supplier at the time of enquiry and order:enquiry and order: a)

a) the manufathe manufacturing stagcturing stage(s) at e(s) at which penetrant which penetrant testing testing shall be shall be performed performed (see Clause (see Clause 8);8); b)

b) the the areas areas to to be be examined;examined; c)

c) whether testing whether testing shall be shall be performed performed with colouwith colour conr contrast or trast or fluorescent fluorescent penetrants penetrants (see 7.1);(see 7.1); d)

d) the quality class required, or the quality classthe quality class required, or the quality classes and surfaces areas to which they apples and surfaces areas to which they applyy (see Clause 14);

(see Clause 14); e)

e) the applicable the applicable recording arecording and acceptance nd acceptance criteria if dcriteria if different frifferent from those dom those detailed in etailed in Table 2;Table 2; f)

f) whether the whether the test shall test shall be be conducted conducted in the in the presence presence of the of the purchaser purchaser or hor his representis representative;ative; g)

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5

5 Test procedure

Test procedure

5.1

5.1 GeneralGeneral

Penetrant testing shall be performed in accordance with a written test procedure. Where specified in Penetrant testing shall be performed in accordance with a written test procedure. Where specified in the enquiry or order, the written procedure shall be submitted to the purchaser for approval prior to the enquiry or order, the written procedure shall be submitted to the purchaser for approval prior to the test.

the test.

5.2

5.2 DescriptionDescription

The written procedure shall be one of the

The written procedure shall be one of the followingfollowing:: a)

a) a a product product specification;specification; b)

b) a a procedure procedure written written specifically specifically for for the the application;application; c)

c) this part of this part of EN 1022EN 10228 may b8 may be used if e used if it is accompanit is accompanied by testing ied by testing details specific details specific to the applto the application.ication.

5.3

5.3 ContentContent

The written procedure shall contain

The written procedure shall contain the following details as the following details as minimum requirements:minimum requirements: a)

a) description description of of the the forgings forgings to to be be tested;tested; b)

b) reference reference documents;documents; c)

c) qualification qualification of of testing testing personnel;personnel; d)

d) stage of stage of manufacture manufacture at which at which the test the test is carriis carried outed out;; e)

e) area(s) area(s) specified specified in termin terms os of the f the applicable applicable quality quality classes;classes; f)

f) type type of of penetrant penetrant testing testing products products used: used: penetrant, penetrant, remover, remover, emulsifier, emulsifier, developer;developer; g)

g) surface surface conditions conditions required;required; h)

h) viewing viewing conditions;conditions; i)

i) description odescription of pre-testing f pre-testing cleaning and cleaning and drying, indrying, including clcluding cleaning materialeaning materials used as used and minimund minimumm time allowed for drying;

time allowed for drying; j)

j) description description of pof penetrant enetrant application, application, including including application application temperature temperature and and penetration penetration time;time; k)

k) description description of exof excess penetrancess penetrant removal t removal and of and of drying drying before dbefore developer eveloper application;application; l)

l) description description of of developer developer application, application, including including development development time;time; m)

m) method of method of marking marking or recoror recording indicatding indications;ions; n)

n) acceptance acceptance criteria;criteria; o)

o) whether post-cwhether post-cleaning is leaning is required; required; if so, if so, a descra description of iption of the method;the method; p)

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6 6 Personnel qualification

Personnel qualification

Personnel shall be qualified in accordance with

Personnel shall be qualified in accordance with EN ISO 9712EN ISO 9712..

7 7 Testing system

Testing system

7.1

7.1 Testing productsTesting products

Penetrant testing products (penetrant, emulsifier, remover and developer) shall conform to Penetrant testing products (penetrant, emulsifier, remover and developer) shall conform to EN ISO 3452-1

EN ISO 3452-1. The combination of penetrant testing products to be used shall meet the following. The combination of penetrant testing products to be used shall meet the following requirements:

requirements: a)

a) they they shall shall conform conform toto EN ISO 3452-1EN ISO 3452-1;; b)

b) they shall they shall be compbe compatible with atible with the materthe material to ial to be tebe tested (seested (see EN ISO 3452-1EN ISO 3452-1 for guidance); for guidance); c)

c) they shall ethey shall enable the nable the applicable applicable recording recording level (see level (see Table Table 2) to 2) to be achieved be achieved (see(see EN ISO 3452-1EN ISO 3452-1 for for the determination of sensitivity levels).

the determination of sensitivity levels).

7.2

7.2 EquipmentEquipment

The equipment used shall conform to

The equipment used shall conform to EN ISO 3452-4EN ISO 3452-4.. The following equipment may be

The following equipment may be used:used: a)

a) spray spray gun gun or or aerosol aerosol spray;spray; b)

b) immersion immersion tank;tank; c)

c) electrostatic electrostatic spray spray gun.gun.

7.3

7.3 Function testFunction test

The sensitivity of the

The sensitivity of the penetrant shall be determined in accordance withpenetrant shall be determined in accordance with EN ISO 3452-2EN ISO 3452-2..

The temperature of the forging should be checked to ensure that it is within the detection media The temperature of the forging should be checked to ensure that it is within the detection media manufacturer

manufacturer’s specified ’s specified temperature limits.temperature limits.

8 8 Stage of manufacture

Stage of manufacture

Where practicable, final acceptance testing shall be performed on the forging in its delivery conditions Where practicable, final acceptance testing shall be performed on the forging in its delivery conditions (see Clause 4).

(see Clause 4).

9 9 Surface condition

Surface condition

Surfaces to be tested shall be clean and free from scale, oil, grease, machining marks, paint and any Surfaces to be tested shall be clean and free from scale, oil, grease, machining marks, paint and any other contaminant which could adversely affect test sensitivity or

other contaminant which could adversely affect test sensitivity or the ability to interpret indications.the ability to interpret indications. The finish of

The finish of surfaces to be tested surfaces to be tested shall conform to the shall conform to the requirements detailed in Table requirements detailed in Table 1 for the1 for the applicable quality class.

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Table 1 — Surface condition Table 1 — Surface condition Surface roughness Surface roughness parameter parameterRRaa *), *), in μm in μm Quality classes Quality classesaa 1 2 3 4 1 2 3 4 R Raa≤≤12,5 12,5 X X – – – – –– R Raa≤≤6,3 6,3 X X X X X X XX a

a _{X signifi}_{X signifies the}_{es the quality}_{quality class th}_{class that can}_{at can be ach}_{be achieved fo}_{ieved for the}_{r the specified s}_{specified surface}_{urface finish.}_finish. *)

*) RRaa = = arithmetical mean deviatioarithmetical mean deviation of the n of the profile.profile.

10 10 Coverage

Coverage

Where practicable, the test shall be performed in such a way that 100 % coverage of the surface to be Where practicable, the test shall be performed in such a way that 100 % coverage of the surface to be tested is achieved.

tested is achieved.

11 11 Penetrant testing process

Penetrant testing process

The penetrant testing process shall conform to

The penetrant testing process shall conform to EN ISO 3452-1EN ISO 3452-1..

12 12 Viewing

Viewing

12.1

12.1 GeneralGeneral

Viewing shall start immediately after the developer is applied and shall continue periodically up to the Viewing shall start immediately after the developer is applied and shall continue periodically up to the completion of the development time, when final assessment of indications shall be

completion of the development time, when final assessment of indications shall be made.made.

12.2

12.2 Viewing conditionsViewing conditions

Viewing conditions shall be in accordance with

Viewing conditions shall be in accordance with EN ISO 3059EN ISO 3059:: a)

a) Colour Colour contrast contrast penetrants:penetrants:

The surface under testing shall be viewed under white light of at least 500 lx intensity on the The surface under testing shall be viewed under white light of at least 500 lx intensity on the surface. Glare and reflections shall

surface. Glare and reflections shall be avoided.be avoided. Lower illuminances may be agreed between

Lower illuminances may be agreed between purchaser and supplier.purchaser and supplier. b)

b) Fluorescent Fluorescent penetrants:penetrants:

Prior to the test at least 5 min shall be allowed for the operator's eyes to become adapted to the Prior to the test at least 5 min shall be allowed for the operator's eyes to become adapted to the reduced backgrou

reduced background lighting and the UV-A lamp shall nd lighting and the UV-A lamp shall be allowed to warm up for at be allowed to warm up for at least 5 min.least 5 min.

13 13 Classification of indications

Classification of indications

The following rules shall apply (see Figure 1): The following rules shall apply (see Figure 1): a)

a) A linear indication sA linear indication shall be considered hall be considered “isolated” when “isolated” when it is not aligned wit is not aligned with any other linearith any other linear indication, or when it is aligned with another linear indication, but separated from it by more than indication, or when it is aligned with another linear indication, but separated from it by more than five times the

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considered as one continuous length for the purpose of assessment if their separation is less than, considered as one continuous length for the purpose of assessment if their separation is less than, or equal to, five times the length of the longer of the two indications considered. The length of or equal to, five times the length of the longer of the two indications considered. The length of interacting indications is the length measured between the opposite ends of the two outer interacting indications is the length measured between the opposite ends of the two outer indications.

indications. c)

c) The cumulative The cumulative length of llength of linear indications iinear indications is the sum of s the sum of the lengths of the lengths of all linear indall linear indicationsications detected in the reference surface (i.e. 148 mm

detected in the reference surface (i.e. 148 mm × 105 mm, or = A6 × 105 mm, or = A6 format).format).

NOTE

NOTE A A linear linear indication indication is is an an indication indication the the length length of of which which is is greater greater than than three three times times the the width.width.

d)

d) A rounded indA rounded indication is an indication ication is an indication the length of the length of which is less than or which is less than or equal to three equal to three times thetimes the width.

width. e)

e) False indications False indications due to the due to the geometry of geometry of the part (change the part (change of section oof section or slot, etc.) r slot, etc.) or surface or surface finishfinish (scar or machining mark, etc.) shall

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Key Key 1

1 isolated isolated indicationsindications 2

2 interacting interacting indicationsindications 3

3 reference reference surfacesurface

Reference surface = 148 mm × 105 mm (i.e. A6 format). Reference surface = 148 mm × 105 mm (i.e. A6 format). d d 11 = 15,2 mm, = 15,2 mm, d d 22 = 11,6 mm, = 11,6 mm, d d 33 = 63,5 mm, = 63,5 mm, LL11 = 5,8 mm, = 5,8 mm, LL22 = 3,6 mm, = 3,6 mm, L L33 = 10,1 mm, = 10,1 mm, LL44 = 7,9 mm, = 7,9 mm, L L55 = 5,1mm, = 5,1mm, L L66 = 10,1 mm = 10,1 mm d d 11 < 5 < 5LL11;; d d 22 < 5L < 5L33;; d d 33 > 5 > 5LL33.. L

L11,, LL22 and and LL33 = Individual lengths of interacting indications. = Individual lengths of interacting indications.

L

Lgg = Total length of interacting indications = Total length of interacting indications

L

Lgg = ( = (LL11 + + d d 11) + (L) + (L22 + + d d 22) +) + LL33..

L

L44,, LL55 and and LL66 = lengths of isolated indications. = lengths of isolated indications.

L

Lgg + + LL44 + + LL55 + L +L66 = cumulative length of indications in reference surface. = cumulative length of indications in reference surface.

The total number of indications in the reference surface is 4 (as identified by

The total number of indications in the reference surface is 4 (as identified by LLgg,, LL44,, LL55 and and LL66), see), see

Table 2. Table 2.

Figure 1 — Classification of linear indications Figure 1 — Classification of linear indications

14 14 Recording and acceptance criteria

Recording and acceptance criteria

Four quality classes shall be applied to a forging or to parts of a forging. Quality class 4 is the most Four quality classes shall be applied to a forging or to parts of a forging. Quality class 4 is the most stringent, dictating the smallest recording level and the smallest acceptance standard. For forgings for stringent, dictating the smallest recording level and the smallest acceptance standard. For forgings for general application supplied i

general application supplied in the n the as-forged surface condition only, as-forged surface condition only, quality classes quality classes 1 and 1 and 2 are2 are applicable. For closed die forgings, quality class 3 shall be the

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recording levels and acceptance criteria to be applied for four quality classes. recording levels and acceptance criteria to be applied for four quality classes.

Where agreed, recording levels and acceptance criteria different from those detailed in Table 2 may be Where agreed, recording levels and acceptance criteria different from those detailed in Table 2 may be used.

used.

Table 2 — Quality classes, recording levels and acceptance criteria Table 2 — Quality classes, recording levels and acceptance criteria

Parameter

Parameter Quality classQuality class 1

1 2 2 3 3 44aa

Recording level (mm)

Recording level (mm)bb _≥_≥₇₇ _≥_≥₃₃ _≥_≥₃₃ _≥_≥₁₁

Allowable length

Allowable length LL of isolated of isolated linear indications and allowable linear indications and allowable length

length LLgg of interacting indications of interacting indications

(mm) (mm)bb

≤

≤ 20 20 ≤≤ 8 8 ≤≤ 4 4 ≤≤ 2 2

Allowable cumulative length of Allowable cumulative length of linear indications in the reference linear indications in the reference surface (mm)

surface (mm)bb

≤

≤ 75 75 ≤≤ 36 36 ≤≤ 24 24 ≤≤ 5 5

Allowable size of isolated rounded Allowable size of isolated rounded indications (mm)

indications (mm)bb

≤

≤ 30 30 ≤≤ 12 12 ≤≤ 8 8 ≤≤ 3 3

Maximum allowable number of Maximum allowable number of recordable indications on recordable indications on reference surface reference surfacecc 15 10 7 5 15 10 7 5 a

a _{Quality cl}_{Quality class 4 is}_{ass 4 is not appl}_{not applicable to}_{icable to the test}_{the test of areas}_{of areas with ma}_{with machining}_chining

allowance

allowance ≥≥ 0,5 mm per face. 0,5 mm per face.

b

b _{The t}_{The tabulated}_{abulated values}_{values apply to}_{apply to the in}_{the indication}_{dication size, no}_{size, not to}_{t to the s}_{the surface ex}_{urface extent o}_{tent of the}_{f the}

flaw. flaw.

cc _{Reference surface}_{Reference surface =}_{= 148}_{148 mm}_{mm ×}_{× 105}_{105 mm (i.e. A6}_{mm (i.e. A6 format) For objects smaller than}_{format) For objects smaller than}

the reference surface, or if only an area is examined smaller than the reference the reference surface, or if only an area is examined smaller than the reference surface, then the maximum allowable number of indications should be determined surface, then the maximum allowable number of indications should be determined and agreed accordingly (the acceptance criteria for the dimensions remain and agreed accordingly (the acceptance criteria for the dimensions remain unchanged)..

unchanged)..

15 15 Removal of defects

Removal of defects

Indications which do not meet the applicable acceptance criteria shall be considered as defects. Indications which do not meet the applicable acceptance criteria shall be considered as defects. Removal of a defect shall be followed by further penetrant testing, using the same penetrant testing Removal of a defect shall be followed by further penetrant testing, using the same penetrant testing system as the first test. Provided that the forging dimensions remain in tolerance, defects shall be system as the first test. Provided that the forging dimensions remain in tolerance, defects shall be eliminated by grinding and/or machining. Elimination of a

eliminated by grinding and/or machining. Elimination of a defect by grinding shall be carried out defect by grinding shall be carried out in thein the direction perpendicular to the defect and in such a manner as to blend the resulting hollow with the direction perpendicular to the defect and in such a manner as to blend the resulting hollow with the remaining surface.

remaining surface.

16 16 Cleaning

Cleaning

Cleaning shall be carried out after penetrant testing when penetrant testing products could interfere Cleaning shall be carried out after penetrant testing when penetrant testing products could interfere with subsequent processing or service requirements.

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17 17 Test report

Test report

All penetrant tests shall be t

All penetrant tests shall be the subject of a he subject of a written report which shall include the following informationwritten report which shall include the following information as minimum

as minimum requirements:requirements: a)

a) name name of of supplier;supplier; b)

b) order order number;number; c)

c) identification identification of of forging(s) forging(s) under under test;test; d)

d) scope scope of teof testing: sting: surface(s) surface(s) and and applicable applicable quality quality class(es);class(es); e)

e) stage stage of of manufacture manufacture at wat which penhich penetrant etrant testing testing was pewas performed;rformed; f)

f) surface surface condition;condition; g)

g) designation designation of pof penetrant enetrant system usystem used sed in accoin accordance rdance withwith EN ISO 3452-1EN ISO 3452-1, together with the make, together with the make and designations of products used including the

and designations of products used including the batch number;batch number; h)

h) viewing viewing conditions;conditions; i)

i) reference reference to thto this standaris standard d or or to the to the written written procedure procedure used used (where (where applicable);applicable); j)

j) results results of of the the test:test: 1) location; 1) location; 2) classification; 2) classification; 3)

3) orientation and orientation and size of size of all indications all indications exceeding exceeding the approprithe appropriate recording ate recording level;level; 4)

4) number number of of recorded recorded indications indications in refin reference erence surface;surface; 5)

5) description description of of unacceptable unacceptable indications;indications; k)

k) details details of aof any rny restrictions estrictions to the to the required required coverage;coverage; l)

l) date date of of the the test;test; m)

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Annex A

(informative)

Significant technical changes to the version

Significant technical changes to the version EN 10228-2:1998

EN 10228-2:1998

Some significant technical changes to the previous version

Some significant technical changes to the previous version EN 10228-2:1998EN 10228-2:1998 are listed below: are listed below: a)

a) updating updating of of the the normative normative references;references; b)

b) generally ugenerally updating and pdating and alignment of alignment of the designationthe designations to the as to the actual state octual state of art;f art; c)

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BSI Group

BS EN 10228-2 2016

Non-destructive testing of steel

Non-destructive testing of steel

forgings

forgings

Part 2: Penetrant testing

Part 2: Penetrant testing

BSI Standards Publication

NORME EUROPÉENNE

NORME EUROPÉENNE

EUROPÄISCHE NORM

EUROPÄISCHE NORM

June 2016

June 2016

English Version

English Version

Non-destructive testing of steel forgings - Part 2: Penetrant

Non-destructive testing of steel forgings - Part 2: Penetrant

testing

testing

Contents

Contents

European foreword

European foreword

1

1 Scope

Scope

2

2 Normative references

Normative references

3

3 Terms and definitions

Terms and definitions

4

4 Items for agreement

Items for agreement

5

5

Test procedure

Test procedure

6

6 Personnel qualification

Personnel qualification

7

7 Testing system

Testing system

8

8 Stage of manufacture

Stage of manufacture

9

9 Surface condition

Surface condition

10

10 Coverage

Coverage

11

11 Penetrant testing process

Penetrant testing process

12

12 Viewing

Viewing

13

13 Classification of indications

Classification of indications

14

14 Recording and acceptance criteria

Recording and acceptance criteria

15

15 Removal of defects

Removal of defects

16

16 Cleaning

Cleaning

17

17 Test report

Test report

Annex A

Annex A

(informative)

(informative)