Chemical Composition Base Element Fe (Iron) C (Carbon) 0.08 % (maximum) Cr (Chromium) 18 to 20 % Fe (Iron) 58.9 to 68 % (estimate) Mn (Manganese) 2 % (maximum) Mo (Molybdenum) 3 to 4 % Ni (Nickel) 11 to 14 % P (Phosphorus) 0.04 % (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 Notes on Mechanical Properties 50 mm gauge 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 Country Mexico Standards Body NMX (Mexico) Description Mechanical tube Designation MT317 Specification Type Standard Specification NMX-B-171 Specification Year 1991 Specification Status Active Specification Status Notes active 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 Direccion General de Normas (DGN) (General Directorate of Standards) (NMX/NOM/DGN)
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Chemical Composition