Chemical Composition Base Element Fe (Iron) B (Boron) 0.001 to 0.005 % C (Carbon) 0.12 to 0.21 % Fe (Iron) 98 to 98.7 % (estimate) Mn (Manganese) 0.45 to 0.7 % Mo (Molybdenum) 0.5 to 0.65 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 0.2 to 0.35 % 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 100 ksi (minimum) Ultimate Tensile Strength 110 to 130 ksi Elongation 18 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Miscellaneous or unclassified Alloy Sub-Group Boron steel Country USA Standards Body ASTM (USA) Description Alloy steel plates of structural quality <=32 mm for use in welded bridges and other structures; QT Designation Grade J Specification Type Standard Specification ASTM A514/A514M Specification Year 2000 Specification Status Active Specification Status Notes active 2000 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