Chemical Composition Base Element Fe (Iron) B (Boron) 0.005 % (maximum) C (Carbon) 0.16 % (maximum) Cr (Chromium) 0.3 % (maximum) Cu (Copper) 0.3 % (maximum) Fe (Iron) 96.3 to 100 % (estimate) Mn (Manganese) 1.5 % (maximum) Mo (Molybdenum) 0.25 % (maximum) N (Nitrogen) 0.015 % (maximum) Nb (Niobium) 0.05 % (maximum) Ni (Nickel) 0.5 % (maximum) P (Phosphorus) 0.025 % (maximum) S (Sulfur) 0.015 % (maximum) Si (Silicon) 0.4 % (maximum) Ti (Titanium) 0.03 % (maximum) V (Vanadium) 0.06 % (maximum) Zr (Zirconium) 0.05 % (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 45.7 ksi (minimum) Ultimate Tensile Strength 65.3 to 91.4 ksi Elongation 22 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1513 Country International Standards Body ISO (International) Description Weldable fine grain steel flat products for pressure purposes; QT, YS and UTS vary with thickness. Designation P355QH Specification Type Standard Specification ISO 9328-6 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)