Chemical Composition Base Element Fe (Iron) C (Carbon) 0.07 % (maximum) Cr (Chromium) 15 to 17.5 % Cu (Copper) 3 to 5 % Fe (Iron) 69.9 to 78.9 % (estimate) Mn (Manganese) 1 % (maximum) Nb (Niobium) 0.15 to 0.45 % Ni (Nickel) 3 to 5 % P (Phosphorus) 0.04 % (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 724 MPa (minimum) Ultimate Tensile Strength 931 MPa (minimum) Elongation 16 % strain (minimum) Brinell Hardness 341 (maximum) 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 17-4 PH Country USA Standards Body ASTM (USA) Description Stainless steel forgings for compressor and turbine bucket, blade, and airfoil applications. Designation Grade F Class 1 Specification Type Standard Specification ASTM A982 Specification Year 2002 Specification Status Active Specification Status Notes active 2002 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)