Chemical Composition Base Element Fe (Iron) C (Carbon) 3.5 to 3.7 % Fe (Iron) 92.2 to 93.6 % (estimate) Mn (Manganese) 0.6 to 0.9 % P (Phosphorus) 0.25 % (maximum) S (Sulfur) 0.14 % (maximum) Si (Silicon) 2.3 to 2.8 % 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 Ultimate Tensile Strength 16.2 ksi (minimum) Brinell Hardness 163 Other Information Material Class Ferrous Alloy Alloy Family Cast Iron and Iron Alloys Alloy Group Cast Iron Alloy Sub-Group Gray cast iron Country USA Standards Body SAE (USA) Description Gray iron sand molded castings used in the automotive and allied industries; may be ann for hardness Alternate Name formerly G1800 h Designation G7H16 c Specification Type Standard Specification SAE J431 Specification Year 2000 Specification Status Active Specification Status Notes active 2000 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 SAE, International (SAE) (SAE J)
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Chemical Composition