Chemical Composition Base Element Fe (Iron) Balance Fe (Iron) Other elements C, Cr, Mo, V Mechanical Properties Yield Strength 621 to 876 MPa Ultimate Tensile Strength 793 to 1250 MPa Elongation 14 to 20 % strain Brinell Hardness 217 to 375 Other Information Material Class Ferrous Alloy Country USA Description Air hardened: 115,000-181,500 TS; 90,000-127,000 YS; 14-20 El; 46-63 RA; 217-375 HB; For rams, saw blocks, dies; alloy steel casting. Designation CROMOL C-9 Specification Type Manufacturer's Specification Specification Status Active Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Casting, Wrought Links Organizations Continental Foundry & Machine Co.
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Chemical Composition