Chemical Composition Base Element Fe (Iron) Al (Aluminum) 0.8 to 1.2 % C (Carbon) 0.38 to 0.45 % Cr (Chromium) 1.5 to 1.8 % Fe (Iron) 94.8 to 96.6 % (estimate) Mn (Manganese) 0.5 to 0.8 % Mo (Molybdenum) 0.25 to 0.4 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 0.5 % (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. Mechanical Properties Yield Strength 1.25e7 lbf/ft^2 (minimum) Ultimate Tensile Strength 1.67e7 to 2.3e7 lbf/ft^2 Elongation 12 % strain (minimum) Brinell Hardness 262 (maximum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group Miscellaneous chromium molybdenum steel Country International Standards Body ISO (International) Description Wrought nitriding steel blooms, billets and slabs; QT, ann hardness, mech props vary with diameter. Designation 41CrAlMo7-4 Specification Type Standard Specification ISO 683-10 Specification Year 1987 Specification Status Active Specification Status Notes active 1987 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

Fe (Iron)