Chemical Composition Base Element Fe (Iron) C (Carbon) 0.27 to 0.34 % Cr (Chromium) 0.3 % (maximum) Fe (Iron) 97.4 to 98.4 % (estimate) Mn (Manganese) 1.2 to 1.5 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 0.15 to 0.4 % 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. Mechanical Properties Yield Strength 440 MPa Ultimate Tensile Strength 690 to 830 MPa Elongation 15 % strain Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Medium-carbon steel Alloy Sub-Group Low-temperature applications Country Germany Standards Body DIN (Germany) Description QT 17-40 mm Designation GS-30Mn5 Specification Type Standard Specification DIN 17205 Specification Year 1992 Specification Status Obsolete Specification Status Notes withdrawn Source Worldwide Guide to Equivalent Irons and Steels, 5th ed.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