Chemical Composition Base Element Fe (Iron) C (Carbon) 3.2 to 4.1 % Fe (Iron) 91.8 to 94.9 % (estimate) Mg (Magnesium) 0.025 to 0.06 % Mn (Manganese) 0.1 to 1 % P (Phosphorus) 0.05 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 1.8 to 3 % 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 36.3 to 39.9 ksi Ultimate Tensile Strength 58 ksi Elongation 18 % strain Brinell Hardness 143 to 170 Other Information Material Class Ferrous Alloy Alloy Family Cast Iron and Iron Alloys Alloy Group Cast Iron Alloy Sub-Group Ductile cast iron Country USA Standards Body SAE (USA) Description Ductile iron castings for automotive and allied industries; ann; YS varies with thickness. Alternate Name formerly D4018 Designation D400 Specification Type Standard Specification SAE J434 Specification Year 2004 Specification Status Active Specification Status Notes active 2004 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