Chemical Composition Base Element Fe (Iron) C (Carbon) 0.01 % (maximum) Cr (Chromium) 25 to 27.5 % Cu (Copper) 0.2 % (maximum) Fe (Iron) 68.9 to 74.2 % (estimate) Mn (Manganese) 0.75 % (maximum) Mo (Molybdenum) 0.75 to 1.5 % N (Nitrogen) 0.015 % (maximum) Nb (Niobium) 0.05 to 0.2 % Ni (Nickel) 0.5 % (maximum) P (Phosphorus) 0.02 % (maximum) S (Sulfur) 0.02 % (maximum) Si (Silicon) 0.4 % (maximum) 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 275 MPa (minimum) Ultimate Tensile Strength 450 to 620 MPa Elongation 20 % strain (minimum) Brinell Hardness 190 (maximum) Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Ferritic stainless steel Alloy Sub-Group XM-27 Country USA Standards Body ASTM (USA) Description Wrought ferritic stainless fittings of seamless and welded construction. Designation WP27 Specification Type Standard Specification ASTM A815/A815M Specification Year 2004 Specification Status Active Specification Status Notes active 2004 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)