Range attributes C (Carbon) 0.17 to 0.25 % Elongation 22 % strain 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 % Ultimate Tensile Strength 450 to 600 MPa Yield Strength 250 MPa Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1020 Available forms Wrought Base Element Fe (Iron) Country Hungary Material Class Ferrous Alloy Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Specification Status Active Specification Type Standard Standards Body MSZ (Hungary) Short text attributes 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. Country* Hungary Description_old High-temp, construction; 0-30.00 mm; heat-treated Designation Ao21C Specification MSZ 1749 Long text attributes 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. Description High-temp, construction; 0-30.00 mm; heat-treated Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 1989 Further Information Organizations Magyar Szabvanyugyi Testulet (MSZT) (Hungarian Standards Institution)
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Range attributes

C (Carbon)

0.17 to 0.25