Chemical Composition Base Element Fe (Iron) C (Carbon) 0.04 to 0.06 % Ce (Cerium) 0.03 to 0.08 % Cr (Chromium) 18 to 19 % Fe (Iron) 67.8 to 71.8 % (estimate) Mn (Manganese) 0.8 % (maximum) N (Nitrogen) 0.12 to 0.18 % Ni (Nickel) 9 to 10 % P (Phosphorus) 0.045 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1 to 2 % Composition Note Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Mechanical Properties Yield Strength 42.1 ksi (minimum) Ultimate Tensile Strength 87 ksi (minimum) Elongation 35 % strain (minimum) Rockwell Hardness B scale 96 (maximum) Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Austenitic stainless steel Alloy Sub-Group Miscellaneous austenitic steel Country USA Standards Body ASTM (USA) Description Nominal-wall thickness and heavy CW welded tubes for boiler, superheater, heat exchanger or condenser tubes. Designation S30415 Specification Type Standard Specification ASTM A249/A249M Specification Year 2004 Specification Status Active Specification Status Notes active 2004a Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations American Society for Testing and Materials (ASTM)
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Chemical Composition

Base Element

Fe (Iron)