Chemical Composition Base Element Ni (Nickel) C (Carbon) 0.07 % (maximum) Cr (Chromium) 19 to 21 % Cu (Copper) 3 to 4 % Mn (Manganese) 2 % (maximum) Mo (Molybdenum) 2 to 3 % Nb (Niobium) 1 % (maximum) Ni (Nickel) 32 to 38 % P (Phosphorus) 0.045 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 1 % (maximum) Composition Note Nb 8xC min Mechanical Properties Yield Strength 240 MPa (minimum) Ultimate Tensile Strength 550 MPa (minimum) Elongation 30 % strain (minimum) Other Information Material Class Nonferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Nickel steel and nickel low-alloy steel Alloy Sub-Group Nickel-base alloy Country USA Standards Body ASTM (USA) Description Pipe components for pressure systems Designation F20 Specification Type Standard Specification ASTM A182/A182M Specification Year 2004 Specification Status Active Specification Status Notes active 2004a 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