Dear experts
-- Item: Heat exchanger - wet sour service (tube sideonly)
material : ASS (316L) shall be as per NACE requiremnet (ISO 15156)
Clarification 1): PQR hardness testing is mandatory or not? (as per ISO 1516)
2) Generally some spec says ASS as per NACE /ISO 15156. what are welding/ material the requirement to be followed ??
Experts pls give input with specific clause in ISO 15156
Thanks in advance
Regards
Selastine sudhakar
9843188388
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