Chemical Composition Base Element Fe (Iron) Al (Aluminum) 0.02 % (minimum) C (Carbon) 0.18 % (maximum) Cr (Chromium) 0.3 % (maximum) Cu (Copper) 0.4 % (maximum) Fe (Iron) 96 to 100 % (estimate) Mn (Manganese) 1.6 % (maximum) Mo (Molybdenum) 0.2 % (maximum) Nb (Niobium) 0.05 % (maximum) Ni (Nickel) 0.5 % (maximum) P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.55 % (maximum) Ti (Titanium) 0.05 % (maximum) V (Vanadium) 0.1 % (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 4.8e6 lbf/ft^2 (minimum) Ultimate Tensile Strength 9.19e6 to 1.17e7 lbf/ft^2 Elongation 20 % 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 International Standards Body ISO (International) Description Weldable fine grain steel for flat products for pressure equipment, thermomechanically rolled; YS varies with thickness. Designation PT440M Specification Type Standard Specification ISO 9328-5 Specification Year 2004 Specification Status Active Specification Status Notes active 2004 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 International Organization for Standardization (ISO)
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Chemical Composition

Base Element

Fe (Iron)