7/8/2023 0 Comments Asme bpvc section ix p-numbers![]() ![]() Various high strength low alloy steels (six Group Numbers) High Chromium, Molybdenum, Nickel Stainless Steel ![]() High Chromium, Molybdenum Stainless Steel Martensitic Stainless Steels (Grade 410, 415, 429) (six Group Numbers)įerritic Stainless Steels (Grade 409, 430)ĭuplex and Super Duplex Stainless Steel (Grades 31803, 32750) Two and a quarter Chromium, one Molybdenumįive Chromium, half Molybdenum or nine Chromium, one Molybdenum (two Group Numbers)Ĭhromium, Molybdenum, Vanadium (five Group Numbers) One and a quarter Chromium, half Molybdenum (two Group Numbers) Half Molybdenum or half Chromium, half Molybdenum (three Group Numbers) P-NumbersĬarbon Manganese Steels (four Group Numbers) See ASME Boiler and Pressure Vessel Code for materials specifications and P-Numbers. ![]() The table below is for reference and a ROUGH summary of ASME data for INSTRUCTIONAL USE ONLY. Anyone specifying materials or requirements should refer directly to the ASME Boiler and Pressure Vessel Code to specify materials, P-Numbers, procedures, or other requirements and not rely on the table below. The table below is a guide for current ASME P-Numbers material identification.
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