Chemical Composition Base Element Fe (Iron) C (Carbon) 0.33 to 0.61 % Fe (Iron) 96.6 to 97.5 % (estimate) Mn (Manganese) 1.1 to 1.4 % Si (Silicon) 1.1 to 1.4 % 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 Ultimate Tensile Strength 876 to 1030 MPa Other Information Material Class Ferrous Alloy Country Germany Description Heat treated: 127,000-150,000 TS. For construction parts, machine tools; oil hardened. Designation STEEL 37 MN SI 5 Specification Type Manufacturer's Specification Specification Status Active Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations German manufacture
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Chemical Composition