Chemical Composition Base Element Fe (Iron) C (Carbon) 0.25 % (maximum) Fe (Iron) 97.3 to 98.2 % (estimate) Mn (Manganese) 1.15 to 1.5 % Mo (Molybdenum) 0.45 to 0.6 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.04 % (maximum) Si (Silicon) 0.15 to 0.3 % 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 343 MPa (minimum) Ultimate Tensile Strength 549 to 686 MPa Elongation 15 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1524/1524H Country South Korea Standards Body KS (South Korea) Description Boilers, pressure vessels; t=6-150 mm; El varies with size. Designation SBV 1B Specification Type Standard Specification KS D 3538 Specification Year 1990 Specification Status Active Specification Status Notes 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 Japanese Industrial Standards Committee (JISC)
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Chemical Composition