Dear Chumpes,
I am looking into document NACE MR0175 and I am not planinig for PWHT, my customer is requesting for compliance to NACE MR0175 only.
we know that PWHT is not required for some materials to comply with NACE MR1075 such as 316 SS which dose not need PWHT, but we are not aware if...
I have this order where data sheet says heat tratement as per NACE requirement, Is post weld heat treatment necessary for Hatealloy C276(N10276) material necessary as per NACE MR175/ISO15156