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Recent content by magmetallurgy

  1. magmetallurgy

    NDE before and after PWHT

    The PWHT is done to relieve residual stresses, improve mechanical properties, and reduce hydrogen-cracking susceptibility. The steels with P-N°4 (for example)have a stress-relief susceptibility cracking in multiple-pass welds case. This is due to a combination of more than metallurgical...
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