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  1. pete73

    Welding 310 stainless steel with ER308/308L

    Has anyone welded 310SS material with 308SS filler metal? The shop unknowingly welded 310SS heads with ER308/308L filler metal. The heads were supposed to be 304SS. The unit was complete before this was found. De-seaming the weld is not practical. Design temperature is below 1000°F. What...
  2. pete73

    Impact testing of welding consumable

    We are going fabricate a SS316L/SS310 vessel with MDMT= -300F using GTAW and SAW. The vessel meets the requirements of UHA-51(g), stress ratio less than 0.35. First clarification: Per UHA-51(g) the base metal, WPS and production welds do not need to be qualified by impact testing but do the...
  3. pete73

    ASME BPVC.VIII.1-2019 UHA-51(g) and (f)

    We are going fabricate a SS316L/SS310 vessel with MDMT= -300F using GTAW and SAW. The vessel meets the requirements of UHA-51(g), stress ratio less than 0.35. First clarification: Per UHA-51(g) the base metal, WPS and production welds do not need to be qualified by impact testing but do the...

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