Chemical Composition Base Element Fe (Iron) C (Carbon) 0.03 % (maximum) Cr (Chromium) 17 to 20 % Fe (Iron) 54.2 to 65.4 % (estimate) Mn (Manganese) 2 % (maximum) Mo (Molybdenum) 4 to 5 % N (Nitrogen) 0.1 to 0.2 % Ni (Nickel) 13.5 to 17.5 % P (Phosphorus) 0.045 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1 % (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 240 MPa (minimum) Ultimate Tensile Strength 550 MPa (minimum) Elongation 28 % 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 317 L/LM/LMN/LN Country USA Standards Body ASTM (USA) Description Wrought stainless fittings for pressure piping applications; long. El. Designation CRS31726 Specification Type Standard Specification ASTM A403/A403M 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)