Chemical Composition Base Element Fe (Iron) C (Carbon) 3 to 3.8 % Cr (Chromium) 2 to 2.7 % Fe (Iron) 88.6 to 92.5 % (estimate) Mn (Manganese) 1 % (maximum) P (Phosphorus) 0.3 % (maximum) S (Sulfur) 0.12 % (maximum) Si (Silicon) 2.5 to 3.5 % 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 Ultimate Tensile Strength 150 MPa Brinell Hardness 230 to 370 Other Information Material Class Ferrous Alloy Alloy Family Cast Iron and Iron Alloys Alloy Group Iron alloys Alloy Sub-Group Miscellaneous iron alloy Country Hungary Standards Body MSZ (Hungary) Description Heat resistant; as cast/heat-treated Designation OV340Cr2.5 Specification Type Standard Specification MSZ 8278 Specification Year 1991 Specification Status Active Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Casting Similar Alloys Click here to find similar alloys Links Organizations Magyar Szabvanyugyi Testulet (MSZT) (Hungarian Standards Institution)
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Chemical Composition