Range attributes C (Carbon) 0.13 to 0.18 % Cr (Chromium) 0.2 % (maximum) Cu (Copper) 0.25 % (maximum) Fe (Iron) 98.2 to 99.4 % (estimate) Mn (Manganese) 0.3 to 0.6 % Ni (Nickel) 0.2 % (maximum) P (Phosphorus) 0.025 % (maximum) S (Sulfur) 0.025 % (maximum) Si (Silicon) 0.15 to 0.35 % 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 1015/ 1016 Available forms Wrought Base Element Fe (Iron) Country Japan 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 JSA (Japan) 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* Japan Description_old Carbon steels for machine structural use manufactured by hot forming; for case hardening. Designation S15CK Specification JIS G4051 Specification Status Notes active 1979 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 Carbon steels for machine structural use manufactured by hot forming; for case hardening. Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 1979 Further Information Organizations Japanese Industrial Standards Committee (JISC)
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Range attributes

C (Carbon)

0.13 to 0.18