Chemical Composition Base Element Fe (Iron) C (Carbon) 0.1 to 0.2 % Cr (Chromium) 0.5 to 0.81 % Fe (Iron) 97.4 to 98.6 % (estimate) Mn (Manganese) 0.3 to 0.61 % Mo (Molybdenum) 0.44 to 0.65 % P (Phosphorus) 0.025 % (maximum) S (Sulfur) 0.025 % (maximum) Si (Silicon) 0.1 to 0.3 % 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 210 MPa (minimum) Ultimate Tensile Strength 380 MPa (minimum) Elongation 30 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group 4118/ 4120/ 4121 Country USA Standards Body ASTM (USA) Description Heavy-wall alloy steel pipe from turned and bored forgings for high-temp service; long. El Designation FP2 Specification Type Standard Specification ASTM A369A/A369M 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 Wrought Similar Alloys Click here to find similar alloys Links Organizations American Society for Testing and Materials (ASTM)
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Chemical Composition