Niobium plus Tantalum is ten times the minimum carbon content |
UNS S34800, ASME SA182, ASME SA213, ASME SA240, ASME SA249, ASME SA312, ASME SA358, ASME SA376, ASME SA403, ASME SA409, ASME SA479, ASTM A167, ASTM A182, ASTM A213, ASTM A240, ASTM A249, ASTM A269, ASTM A276, ASTM A312, ASTM A314, ASTM A358, ASTM A376, ASTM A403, ASTM A479, ASTM A580, ASTM A632, B.S. 347 S 17, B.S. 347 S 18, B.S. 347 S 40, B.S. 2 S. 130 (U.K), B.S. S. 525, B.S. S. 527, FED QQ-S-766, MIL SPEC MIL-S-23195, MIL SPEC MIL-S-23196, SAE J405 (30348), DIN 1.4546 |