Chemical Composition Base Element Fe (Iron) C (Carbon) 0.95 to 1.05 % Cr (Chromium) 1.35 to 1.65 % Cu (Copper) 0.25 % (maximum) Fe (Iron) 94.8 to 96.4 % (estimate) Mn (Manganese) 0.9 to 1.2 % Ni (Nickel) 0.3 % (maximum) P (Phosphorus) 0.027 % (maximum) S (Sulfur) 0.025 % (maximum) Si (Silicon) 0.4 to 0.65 % 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 Brinell Hardness 277 to 321 Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium steel Alloy Sub-Group E50100/ E51100/ E52100 Country Hungary Standards Body MSZ (Hungary) Description Ball and roller bearing; 0-999 mm; soft anneal to shear Designation GO4 Specification Type Standard Specification MSZ 17789 Specification Year 1983 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