Chemical Composition Base Element Fe (Iron) C (Carbon) 0.05 to 0.1 % Ce (Cerium) 0.03 to 0.08 % Cr (Chromium) 20 to 22 % Fe (Iron) 62.8 to 68.4 % (estimate) Mn (Manganese) 0.8 % (maximum) N (Nitrogen) 0.14 to 0.2 % Ni (Nickel) 10 to 12 % P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1.4 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 45 ksi (minimum) Ultimate Tensile Strength 87 ksi (minimum) Elongation 35 % strain (minimum) 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 Spray-formed seamless austenitic stainless pipe for high-temp and corrosive service; long. El Designation S30815 Specification Type Standard Specification ASTM A943/A943M Specification Year 2001 Specification Status Active Specification Status Notes active 2001 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)