Chemical Composition Base Element Fe (Iron) Mechanical Properties Yield Strength 7.1e6 lbf/ft^2 (minimum) Ultimate Tensile Strength 1.15e7 lbf/ft^2 (minimum) Elongation 4 % strain (minimum) Brinell Hardness 180 to 230 Other Information Material Class Ferrous Alloy Alloy Family Cast Iron and Iron Alloys Alloy Group Cast Iron Alloy Sub-Group Blackheart Country International Standards Body ISO (International) Description Blackheart malleable cast iron for castings; 12 or 15 mm diameter. Designation ISO5922/JMB/550-4 Specification Type Standard Specification ISO 5922 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 Links Organizations International Organization for Standardization (ISO)
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Chemical Composition

Mechanical Properties

7.1e6

lbf/ft^2 (minimum)