Chemical Composition Base Element Ni (Nickel) Al (Aluminum) 0.3 to 1 % B (Boron) 0.008 % (maximum) C (Carbon) 0.1 % (maximum) Cr (Chromium) 18 to 21 % Fe (Iron) 23 to 28 % Mn (Manganese) 1 % (maximum) Ni (Nickel) 45.8 to 57.7 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.015 % (maximum) Si (Silicon) 1 % (maximum) Ti (Titanium) 1 to 2 % Composition Note Ni 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 Ultimate Tensile Strength 1000 MPa (maximum) Brinell Hardness 295 (maximum) Other Information Material Class Ferrous 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 International Standards Body ISO (International) Description Wrought, high-alloy steel for intake and exhaust valves; quenched . Designation NiFe25Cr20NbTi Specification Type Standard Specification ISO 683-15 Specification Year 1992 Specification Status Active Specification Status Notes active 1992 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

Ni (Nickel)