Chemical Composition Base Element Fe (Iron) C (Carbon) 0.18 % (maximum) Fe (Iron) 97.8 to 98.9 % (estimate) Mn (Manganese) 1 to 1.35 % Nb (Niobium) 0.05 % (maximum) P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.04 % (maximum) Si (Silicon) 0.15 to 0.5 % 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 290 MPa (minimum) Ultimate Tensile Strength 430 to 570 MPa Elongation 23 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1518 Country USA Standards Body ASTM (USA) Description Norm HSLA structural steel plates for welded, riveted or bolted construction, t<=100 mm; long. Charpy impact. Designation Class A Specification Type Standard Specification ASTM A633/A633M Specification Year 2001 Specification Status Active Specification Status Notes active 2001 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 American Society for Testing and Materials (ASTM)
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Chemical Composition