Chemical Composition Base Element Fe (Iron) C (Carbon) 0.06 % (maximum) Cr (Chromium) 11.5 to 13 % Fe (Iron) 78.4 to 85 % (estimate) Mn (Manganese) 1.5 % (maximum) Mo (Molybdenum) 1 % (maximum) Ni (Nickel) 3.5 to 5 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.025 % (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 1.15e7 lbf/ft^2 (minimum) Ultimate Tensile Strength 1.57e7 lbf/ft^2 (minimum) Elongation 15 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Martensitic stainless steel Alloy Sub-Group CA grades Country International Standards Body ISO (International) Description Cast steels for general corrosion-resistant applications; ruling thickness<=300 mm. Designation GS4CrMo12-4(QT1) Specification Type Standard Specification ISO 11972 Specification Year 1998 Specification Status Active Specification Status Notes active 1998 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Casting Similar Alloys Click here to find similar alloys Links Organizations International Organization for Standardization (ISO)
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Chemical Composition

Base Element

Fe (Iron)