Chemical Composition Base Element Fe (Iron) B (Boron) 1 to 1.24 % C (Carbon) 0.08 % (maximum) Co (Cobalt) 0.2 % (maximum) Cr (Chromium) 18 to 20 % Fe (Iron) 60.6 to 69 % (estimate) Mn (Manganese) 2 % (maximum) N (Nitrogen) 0.1 % (maximum) Ni (Nickel) 12 to 15 % P (Phosphorus) 0.045 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.75 % (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) Elongation 27 % strain (minimum) Brinell Hardness 217 (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 304 boron grades Country USA Standards Body ASTM (USA) Description Cr-Ni stainless plate, sheet and strip, modified by addition boron, for nuclear applications; Grade A, solution-ann Designation S30464 Specification Type Standard Specification ASTM A887-89 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)