Chemical Composition Base Element Fe (Iron) C (Carbon) 0.05 to 0.15 % Cr (Chromium) 0.8 to 1.25 % Cu (Copper) 0.5 % (maximum) Fe (Iron) 95.7 to 98.4 % (estimate) Mn (Manganese) 0.3 to 0.61 % Mo (Molybdenum) 0.44 to 0.65 % Ni (Nickel) 0.5 % (maximum) P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.045 % (maximum) Si (Silicon) 0.5 % (maximum) W (Tungsten) 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 205 MPa (minimum) Ultimate Tensile Strength 415 MPa (minimum) Elongation 22 % strain (minimum) Brinell Hardness 201 (maximum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Nickel chromium molybdenum steel Alloy Sub-Group Cast nickel chromium molybdenum steel Country USA Standards Body ASTM (USA) Description Centrifugally cast alloy steel pipe intended for use in high-temp, high-pressure service Designation CP12 Specification Type Standard Specification ASTM A426/A426M Specification Year 2002 Specification Status Active Specification Status Notes active 2002 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Casting 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)