FAQ's

As per NACE MR0175, austenitic stainless steel weldments need to be solution annealed and quenched?

Does the requirement for solution-annealing and quenching apply to fabricated parts?

This page presents a question related to NACE MR0175/ISO 15156-3 Table A.2 and A.6, which state that the materials shall be in the solution-annealed and quenched condition. The user seeks clarification on whether this requirement applies to fabricated parts.

The answer:

The requirement for solution-annealing and quenching only applies to base materials and not fabricated parts such as welded compressor housings. The welding requirements for austenitic stainless steels in this materials group are given in NACE MR0175/ISO 15156-3, A.2.3.

Reference:

This question pertains to NACE MR0175/ISO 15156-3 Table A.2, and the reference cited is ISO 15156 Maintenance Panel Inquiry #2006-10.

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