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Hi metengr, in my understanding, overlay welding is not kind of dissimilar weld. Because we only have 1 base material to be overlaid with F43 (it's same with joining P1 to P1 with F.6 filler). Because ASME Div. IX doesn't say anything about material being overlaid P and group number. anyway...

Good day gents, i have a question about P1 material being overlayed with F43, is it still consider as P1 material or what? ie., if we have PQR of P1 material overlayed with F43 butt join to same material, can we use this PQR with P1 material without any overlay material? as in ASME IX, it's...

Hi all, I've just get the latest edition of ASME B31.3 2014 edition. Referring to PWHT scope, I found a big difference from previous edition (2012 edition) which said an exact number of temperature for thicker material (over 20 mm). Instead at latest edition, there're an exemptions to...

thank you for the great response. We just perform LPT on the surface as-weld and it's free from porosity (no indication at all). But, i think lab doesn't do any LPT prior to G48 test. Mo is about 8.13%. We do three passes actually. My first thought is the heat input and the interpass...

Gents, I want to ask about the cause of pitting corrosion test (G48). Our product is inconel manually overlaid on API X65QS. the specimen passed on the chemcial composition test as client specification (Fe is 8%, Cr is about 20% and Ni is about 59%). As our experience, these kind of result shows...