Chemical Composition Base Element Fe (Iron) C (Carbon) 0.17 to 0.25 % Fe (Iron) 98.3 to 99 % (estimate) Mn (Manganese) 0.5 to 0.8 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.3 to 0.6 % 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 250 MPa Ultimate Tensile Strength 450 to 600 MPa Elongation 22 % strain Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1020 Country Hungary Standards Body MSZ (Hungary) Description High-temp, construction; 0-30.00 mm; heat-treated Designation Ao21C Specification Type Standard Specification MSZ 1749 Specification Year 1989 Specification Status Active 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 Magyar Szabvanyugyi Testulet (MSZT) (Hungarian Standards Institution)
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Chemical Composition