Chemical Composition Base Element Fe (Iron) C (Carbon) 0.01 % (maximum) Cr (Chromium) 11 to 12.5 % Cu (Copper) 1.5 to 2.5 % Fe (Iron) 72.9 to 79 % (estimate) Mn (Manganese) 0.5 % (maximum) Mo (Molybdenum) 0.5 % (maximum) Ni (Nickel) 7.5 to 9.5 % P (Phosphorus) 0.01 % (maximum) S (Sulfur) 0.01 % (maximum) Si (Silicon) 0.2 % (maximum) Ti (Titanium) 1 to 1.35 % 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. Mechanical Properties Yield Strength 185 to 220 ksi Ultimate Tensile Strength 205 to 235 ksi Elongation 8 to 10 % strain Brinell Hardness 363 to 444 Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Precipitation-hardening stainless steel Alloy Sub-Group Miscellaneous precipitation-hardening steels Country USA Standards Body ASTM (USA) Description HR, cold-finished, age-hardening stainless bars and shapes; age-hardening after treatment; mech props vary Designation S45503 Specification Type Standard Specification ASTM A564/A564M 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)