Chemical Composition Base Element Fe (Iron) B (Boron) 0.0005 to 0.003 % C (Carbon) 0.25 to 0.34 % Fe (Iron) 97.7 to 98.6 % (estimate) Mn (Manganese) 1 to 1.5 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.05 % (maximum) Si (Silicon) 0.15 to 0.35 % 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. Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group Boron steel Country USA Standards Body SAE (USA) Description Carbon and carbon boron H-band steels; for hardenability limits see standard. Designation 15B28H Specification Type Standard Specification SAE J1268 Specification Year 1995 Specification Status Active Specification Status Notes active 1995 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