Chemical Composition Base Element Fe (Iron) C (Carbon) 0.15 to 0.19 % Cr (Chromium) 1.3 to 1.8 % Cu (Copper) 0.3 % (maximum) Fe (Iron) 92.2 to 94.6 % (estimate) Mn (Manganese) 0.55 to 0.8 % Mo (Molybdenum) 0.45 to 0.6 % Ni (Nickel) 3 to 3.5 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.025 % (maximum) Si (Silicon) 0.5 % (maximum) V (Vanadium) 0.03 % (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 1.25e7 lbf/ft^2 (minimum) Ultimate Tensile Strength 1.57e7 to 1.88e7 lbf/ft^2 Elongation 15 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Nickel chromium molybdenum steel Alloy Sub-Group Cast nickel chromium molybdenum steel Country International Standards Body ISO (International) Description Castings for parts subject to pressure; QT Designation G17NiCrMo13-6 Specification Type Standard Specification ISO 4991 Specification Year 2005 Specification Status Active Specification Status Notes active 2005 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)