Chemical Composition Base Element Fe (Iron) Al (Aluminum) 0.02 % (maximum) B (Boron) 0.0007 % (maximum) C (Carbon) 0.1 % (maximum) Cr (Chromium) 0.25 % (maximum) Cu (Copper) 0.35 % (maximum) Fe (Iron) 96 to 98.9 % (estimate) Mn (Manganese) 0.92 to 1.72 % Mo (Molybdenum) 0.33 % (maximum) Nb (Niobium) 0.05 % (maximum) Ni (Nickel) 0.6 % (maximum) P (Phosphorus) 0.015 % (maximum) S (Sulfur) 0.006 % (maximum) Si (Silicon) 0.15 to 0.5 % V (Vanadium) 0.08 % (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 485 MPa (minimum) Ultimate Tensile Strength 585 to 724 MPa Elongation 20 % 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 Heat-treated C-Mn-Si plates for welded pressure vessels at moderate and lower temp service; tensile requirements, t<=40 mm; killed steel Designation Grade D Specification Type Standard Specification ASTM A738 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)