Chemical Composition Base Element Fe (Iron) C (Carbon) 2.6 % (maximum) Cr (Chromium) 1 to 1.5 % Fe (Iron) 60 to 70 % (estimate) Mn (Manganese) 1 % (maximum) Ni (Nickel) 28 to 32 % P (Phosphorus) 0.08 % (maximum) Si (Silicon) 1 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 Yield Strength 207 MPa (minimum) Ultimate Tensile Strength 379 MPa (minimum) Elongation 10 % strain (minimum) Brinell Hardness 131 to 193 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 ASTM (USA) Description Austenitic ductile iron castings with resistance to heat, corrosion, and wear Designation D-3A Specification Type Standard Specification ASTM A439-83 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 American Society for Testing and Materials (ASTM)
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Chemical Composition