Chemical Composition Base Element Fe (Iron) B (Boron) 0.0005 to 0.002 % C (Carbon) 0.09 % (maximum) Cr (Chromium) 0.3 % (maximum) Cu (Copper) 0.5 % (maximum) Fe (Iron) 91.3 to 97.9 % (estimate) Mn (Manganese) 1 to 2 % Mo (Molybdenum) 0.4 % (maximum) Nb (Niobium) 0.05 % (maximum) Ni (Nickel) 1 to 5 % P (Phosphorus) 0.01 % (maximum) S (Sulfur) 0.005 % (maximum) Si (Silicon) 0.05 to 0.25 % Ti (Titanium) 0.006 to 0.03 % V (Vanadium) 0.02 % (maximum) 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 690 MPa (minimum) Ultimate Tensile Strength 1000 to 1170 MPa Elongation 13 % 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 Steel plates produced by thermo-mechanical control process for welded pressure vessels; killed steel; t<=40 mm. Designation Grade D, Class 3 Specification Type Standard Specification ASTM A841/A841M Specification Year 2003 Specification Status Active Specification Status Notes active 2003 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

Base Element

Fe (Iron)