Chemical Composition Base Element Fe (Iron) C (Carbon) 0.05 to 0.2 % Cr (Chromium) 1 to 1.5 % Fe (Iron) 95.8 to 97.7 % (estimate) Mn (Manganese) 0.3 to 0.8 % Mo (Molybdenum) 0.44 to 0.65 % P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.04 % (maximum) Si (Silicon) 0.5 to 1 % 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 275 MPa (minimum) Ultimate Tensile Strength 485 to 655 MPa Elongation 22 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group Miscellaneous chromium molybdenum steel Country USA Standards Body ASTM (USA) Description Seamless and welded construction wrought carbon steel and alloy steel fittings . Designation WP11 CL2 Specification Type Standard Specification ASTM A234/A234M 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 American Society for Testing and Materials (ASTM)
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Chemical Composition