Chemical Composition Base Element Fe (Iron) C (Carbon) 0.14 to 0.2 % Cr (Chromium) 1.2 to 1.7 % Fe (Iron) 94.9 to 96.7 % (estimate) Mn (Manganese) 0.6 to 0.9 % Mo (Molybdenum) 0.9 to 1.2 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.3 to 0.6 % V (Vanadium) 0.2 to 0.4 % 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 Yield Strength 440 MPa Ultimate Tensile Strength 640 to 750 MPa Elongation 15 % strain Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group 4118/ 4120/ 4121 Country Hungary Standards Body MSZ (Hungary) Description High-temp construction; 0-30.00 mm; heat-treated Designation Ao17CrMoV Specification Type Standard Specification MSZ 1749 Specification Year 1989 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 Magyar Szabvanyugyi Testulet (MSZT) (Hungarian Standards Institution)
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Chemical Composition