Chemical Composition Base Element Fe (Iron) C (Carbon) 0.03 % (maximum) Cr (Chromium) 18 to 20 % Fe (Iron) 54.4 to 64.5 % (estimate) Mn (Manganese) 2 % (maximum) Mo (Molybdenum) 4 to 5 % N (Nitrogen) 0.02 % (maximum) 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 29.7 ksi (minimum) Ultimate Tensile Strength 74.7 ksi (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 Straight or spiral seam electric-fusion welded, light-wall, austenitic alloy pipe for corrosive or high-temp service Designation S31725 Specification Type Standard Specification ASTM A409/A409M 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)