Chemical Composition Base Element Fe (Iron) Mechanical Properties Yield Strength 165 MPa (minimum) Ultimate Tensile Strength 270 MPa (minimum) Elongation 5 % strain (minimum) Brinell Hardness 163 (maximum) Other Information Material Class Ferrous Alloy Alloy Family Cast Iron and Iron Alloys Alloy Group Cast Iron Alloy Sub-Group Blackheart Country Japan Standards Body JSA (Japan) Description Blackheart malleable iron castings; chemical composition as agreed Designation FCMB 27-05 Specification Type Standard Specification JIS G5705 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 Links Organizations Japanese Industrial Standards Committee (JISC)
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Chemical Composition

Mechanical Properties

165

MPa (minimum)