Chemical Composition Base Element Fe (Iron) C (Carbon) 0.06 % (maximum) Cr (Chromium) 15 to 17 % Cu (Copper) 2.5 to 4 % Fe (Iron) 71.5 to 78.9 % (estimate) Mn (Manganese) 1 % (maximum) Nb (Niobium) 0.15 to 0.4 % Ni (Nickel) 3.5 to 5 % 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 965 MPa Ultimate Tensile Strength 1030 MPa Elongation 9 % strain 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 Germany Standards Body DIN (Germany) Alternate Name 1.4540 Designation GX4CrNiCuNb16-4 Specification Type Standard Specification DIN Specification Status Active 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 Deutsches Institut fur Normung e.V. (DIN) (German Standardization Institute)
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Chemical Composition