Chemical Composition Base Element Fe (Iron) C (Carbon) 0.52 to 0.6 % Fe (Iron) 98 to 98.9 % (estimate) Mn (Manganese) 0.6 to 0.9 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.02 to 0.035 % Si (Silicon) 0.4 % (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 550 MPa Ultimate Tensile Strength 800 to 950 MPa Elongation 12 % strain Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Medium-carbon steel Alloy Sub-Group 1055 Country Hungary Standards Body MSZ (Hungary) Description QT; t<=16 mm Designation C55E Specification Type Standard Specification MSZ 61 Specification Year 1985 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