Chemical Composition Base Element Fe (Iron) B (Boron) 0.0005 % (minimum) C (Carbon) 0.21 % (maximum) Cu (Copper) 0.35 % (maximum) Fe (Iron) 97.6 to 99.8 % (estimate) Mn (Manganese) 1.5 % (maximum) Si (Silicon) 0.15 to 0.3 % 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 Yield Strength 689 MPa Ultimate Tensile Strength 758 MPa Elongation 18 to 100 % strain Other Information Material Class Ferrous Alloy Country USA Description Quenched and tempered: 110,000 psi TS min; 100,000 psi YS min; 18 El min. Steel plate for structural purposes; 3/16 to 1-1/4 in. thick. Designation RQC-100 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