Chemical Composition Base Element Fe (Iron) C (Carbon) 0.65 to 0.72 % Fe (Iron) 98 to 98.6 % (estimate) Mn (Manganese) 0.6 to 0.9 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 0.15 to 0.35 % 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. Composition Note_old 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 2.66e7 lbf/ft^2 Ultimate Tensile Strength 2.57e7 to 3.7e7 lbf/ft^2 Elongation 6 % strain Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group High-carbon steel Alloy Sub-Group 1069/ 1070 Country Germany Standards Body DIN (Germany) Description_old CR strip spring hardened <=2.5 mm Designation 1.1231 Specification DIN 17222 Specification Year 1979 Specification Status Active Specification Type Standard 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 Deutsches Institut fur Normung e.V. (DIN) (German Standardization Institute)
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Chemical Composition