Chemical Composition Base Element Fe (Iron) C (Carbon) 0.08 % (maximum) Cr (Chromium) 17 to 20 % Fe (Iron) 63.3 to 74 % (estimate) Mn (Manganese) 2 % (maximum) Ni (Nickel) 9 to 13 % P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1 % (maximum) Ti (Titanium) 0.6 % (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 207 MPa (minimum) Ultimate Tensile Strength 517 MPa (minimum) Elongation 35 % strain (minimum) Brinell Hardness 192 (maximum) 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 321/ 321H Country USA Standards Body ASTM (USA) Description Welded stainless tubing for appearance, mech props or corrosion resistance; round ann Designation MT-321 Specification Type Standard Specification ASTM A554 Specification Year 2003 Specification Status Active Specification Status Notes active 2003 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)