Chemical Composition Base Element Fe (Iron) Fe (Iron) 99 to 100 % (estimate) Mn (Manganese) 1 % (maximum) 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 55.1 ksi (minimum) Ultimate Tensile Strength 100 ksi (minimum) Elongation 12 % strain (minimum) Brinell Hardness 207 Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group High-carbon steel Alloy Sub-Group 1078 Country USA Standards Body SAE (USA) Description Nonresulfurized carbon steel bars; HR. Designation 1078 Specification Type Standard Specification SAE J1397 Specification Year 1992 Specification Status Active Specification Status Notes active 1992 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations SAE, International (SAE) (SAE J)
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Chemical Composition