Chemical Composition Base Element Fe (Iron) C (Carbon) 0.9 to 1.05 % Cr (Chromium) 17 to 19 % Fe (Iron) 77.7 to 82.1 % (estimate) Mn (Manganese) 0.8 % (maximum) Ni (Nickel) 0.6 % (maximum) P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.8 % (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. Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Precipitation-hardening stainless steel Alloy Sub-Group 440 grades Country Poland Standards Body PN (Poland) Description Corrosion resistant Designation H18 Specification Type Standard Specification PN-H-86020 Specification Status Active Specification Status Notes withdrawn Source Worldwide Guide to Equivalent Irons and Steels, 5th ed.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 Polish Committee for Standardization (PKN) (PN)
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Chemical Composition