Chemical Composition Base Element Fe (Iron) C (Carbon) 0.035 % (maximum) Cr (Chromium) 18 to 20 % Fe (Iron) 65.7 to 73.9 % (estimate) Mn (Manganese) 2 % (maximum) N (Nitrogen) 0.1 to 0.16 % Ni (Nickel) 8 to 11 % 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 205 10^7 dyne/cm^2 (minimum) Ultimate Tensile Strength 515 10^7 dyne/cm^2 (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 304LN Country USA Standards Body ASTM (USA) Description Seamless boiler, superheater, and heat-exchanger tube Designation TP304LN Specification Type Standard Specification ASTM A213/A213M Specification Year 2004 Specification Status Active Specification Status Notes active 2004b 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