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Stress corrosion cracking of gas pipeline steels of different strength

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Figure

Fig. 1. Example of the colony of stress corrosion cracks on the external surface of the high-pressure gas transmission pipeline
Fig. 1. Example of the colony of stress corrosion cracks on the external surface of the high-pressure gas transmission pipeline
Fig. 2. Optical micrographs of the 17H1S (a–d) and X60 (e, f) pipeline steel samples in longitudinal (a, b, e) and transversal (c, d, f) directions
Fig. 3. Potentiodynamic polarization curves for the 17H1S (1) and X60 (2) pipeline steels in NS4 solution saturated with CO 2
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