Chemical Composition Base Element Fe (Iron) Cr (Chromium) 0.45 to 0.65 % Cu (Copper) 0.25 to 0.45 % Fe (Iron) 98 to 98.9 % (estimate) Ni (Nickel) 0.25 to 0.45 % P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.05 % (maximum) Si (Silicon) 0.15 to 0.35 % 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. Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Nickel chromium steel Alloy Sub-Group Miscellaneous nickel chromium steel Country USA Standards Body ASTM (USA) Description Hardened weathering steel washers for use with fasteners having nominal thread diameters of M12 through M100. Designation Type 3 Specification Type Standard Specification ASTM F436/F436M Specification Year 2004 Specification Status Obsolete 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