Chemical Composition Base Element Fe (Iron) B (Boron) 0.001 to 0.005 % C (Carbon) 0.21 % (maximum) Cr (Chromium) 0.65 % (maximum) Fe (Iron) 96.3 to 99.8 % (estimate) Mn (Manganese) 1.5 % (maximum) Mo (Molybdenum) 0.65 % (maximum) Si (Silicon) 0.15 to 0.55 % V (Vanadium) 0.1 % (maximum) Balance Fe (Iron) Composition Note Fe is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Mechanical Properties Brinell Hardness 340 Other Information Material Class Ferrous Alloy Country USA Description Quenched and tempered to 340 HB; Abrasion resistant steel plate to 2 in. thick. Designation RQ-340A Specification Type Manufacturer's Specification Specification Status Active Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Plate Similar Alloys Click here to find similar alloys Links Organizations Bethlehem Steel Corp.
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Chemical Composition