Chemical Composition Base Element Fe (Iron) C (Carbon) 0.34 to 0.42 % Cr (Chromium) 1.3 to 1.6 % Cu (Copper) 0.3 % (maximum) Fe (Iron) 95.3 to 97.1 % (estimate) Mn (Manganese) 0.3 to 0.6 % Ni (Nickel) 0.3 % (maximum) P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 1 to 1.4 % 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 1.13e7 to 1.54e7 lbf/ft^2 Ultimate Tensile Strength 1.43e7 to 1.94e7 lbf/ft^2 Elongation 12 to 15 % strain Brinell Hardness 255 Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium steel Alloy Sub-Group 5140/5140H Country Russia Standards Body GOST (Russia) Description Cr-Si heat-treatable steel, rolled stock; mech props vary with treatment and size. Designation 38KHS Specification Type Standard Specification GOST 4543 Specification Year 1971 Specification Status Active Specification Status Notes Active 2005 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 Committee of the Russian Federation for Standardization and Metrology Gosstandart of Russia (GOST)
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Chemical Composition