Chemical Composition Base Element Fe (Iron) C (Carbon) 0.12 % (maximum) Cr (Chromium) 17 to 19 % Fe (Iron) 68.7 to 75 % (estimate) Mn (Manganese) 0.2 % (maximum) Mo (Molybdenum) 0.3 % (maximum) Ni (Nickel) 8 to 10 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.025 % (maximum) Si (Silicon) 0.8 % (maximum) Ti (Titanium) 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 Austenitic stainless steel Alloy Sub-Group 321/ 321H Country Bulgaria Standards Body BDS (Bulgaria) Description Corrosion resistant Designation Ch18N9T Specification Type Standard Specification BDS 6738 Specification Year 1972 Specification Status Active 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 State Agency for Standardization and Metrology (BDS)
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Chemical Composition