Method for producing a killed steel wire rod

Details Method for producing a killed steel wire rod Method for producing a killed steel wire rod

C - Chemistry, Metallurgy

21

D

148/34.6

C21D 7/13 (2006.01) C21D 8/06 (2006.01) C21D 9/52 (2006.01)

Patent

CA 1038732

Abstract of the Disclosure: A method for producing high tensile strength steel wire rods and bars having a basic composition comprising; C 0.02 to 0.20% Si 0.03 to 0.90% Mn 1.00 to 1.85% together with one or more selected from the group consisting of Image with the balance being the iron and unavoidable impurities, which comprises heating a steel having above composition at a temperature not lower than 1150°C, conducting intermediate rolling and/or finish rolling at a temperature between 700 and 1050°C, controlling the cooling rate from finish of the hot rolling to a coiling to 40 to 350°C/sec., and controlling the cooling rate from the coiling to gathering to 1 to 15°C/sec. to obtain hot rolled steel wire rods and bars having excellent workability and spot weldability and having a tensile strength not lower than 50 kg/mm2 and a reduction of area not lower than 50%.

208726

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