Chemical Composition Base Element Fe (Iron) C (Carbon) 0.23 % (maximum) Fe (Iron) 97.8 to 100 % (estimate) Mn (Manganese) 1.5 % (maximum) P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.05 % (maximum) Si (Silicon) 0.4 % (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 50 ksi Ultimate Tensile Strength 65.3 to 95 ksi Elongation 21 % strain Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1524/1524H Country USA Standards Body SAE (USA) Description HR plate bar shapes, t<=100 mm Designation 345A Specification Type Standard Specification SAE J1442 Specification Year 1993 Specification Status Withdrawn Specification Status Notes withdrawn 2003 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed.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