Range attributes C (Carbon) 0.2 to 0.28 % Fe (Iron) 98.7 to 99.1 % (estimate) Mn (Manganese) 0.5 to 0.75 % P (Phosphorus) 0.04 % S (Sulfur) 0.05 % Si (Silicon) 0.07 to 0.15 % 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 1023 Available forms Wrought Base Element Fe (Iron) Country Poland 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 PN (Poland) 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* Poland Designation ST4A Specification PN-H-84023/01 Specification Status Notes active 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. Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 1989 Further Information Organizations Polish Committee for Standardization (PKN) (PN)
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Range attributes

0.2 to 0.28