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کلید واژه ها:شکنندگی هیدروژن،آزمون ترک سولفید هیدروژن، خطوط لوله،فولاد،ترک تنش سولفید،جوش

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Sensitivity to sulfide stress cracking (SSC) and X80 API X70 pipeline steel welding, gas metal arc no less a test NACE TM0177 (Method A) standards were modified. Shdnd.jvsh fail with barely more than 248 HV in low concentrations H2S SSC more resistant to breakdown Bvdnd.mntqە center line (CSR) was observed in steel tube an important role in SSC and weld crack sensitivity induced by hydrogen (HIC) was. X80 metal hardness values lower in local and focused on de Lille soft sand and plastic deformation during welding Some people will just as soon as the loading was more susceptible and more sensitive. Welded parts-the-job comparison revealed that the requirements of NACE MR0175 for welding low alloy high-strength steel in the direct contact with the environment are not sour

Keywords: hydrogen brittleness, cracking test hydrogen sulfide, pipeline, steel, sulfide stress cracking, welding

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