Method for producing superfine steel wire from high-carbon carbon steel wire rod
A technology of carbon steel and thin steel wire, which is applied in the field of high-carbon carbon steel wire to produce ultra-fine steel wire, which can solve the problems of low production efficiency and long production cycle of ultra-fine steel wire, so as to ensure the strength performance index and improve production efficiency , the effect of reducing production costs
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Embodiment 1
[0040] High-carbon carbon steel wire 1#, its C content is 0.70%wt, Mn content is 0.45%wt, Si content is 0.10%wt~0.35%wt, Cr content≤0.010%wt, Ni content≤0.010%wt, Al Content≤0.005%wt, N content≤0.005%wt, P content≤0.010%wt, S content≤0.005%wt; rolling diameter: φ6.5mm.
[0041] The method of producing wire 1# is as follows:
[0042] 1) Converter top-bottom composite blowing;
[0043] 2) Ladle blowing argon refining;
[0044] 3) Refining outside the furnace to obtain refined molten steel;
[0045] 4) Refined molten steel is poured into billets;
[0046] 5) The billet is austenitized in a heating furnace, and the billet is heated to a crystallization zone temperature of 1110±10°C;
[0047]6) Roll and spin the austenitized billet, the process is: rough rolling at 1110±10°C; then finish rolling, the starting temperature of finish rolling is controlled at 1010±10°C, and the final rolling temperature is controlled 1060±10°C; cooling through water, spinning at 951°C to obtain st...
Embodiment 2
[0055] High-carbon carbon steel wire 2#, its C content is 0.80%wt, Mn content is 0.40%wt, Si content is 0.10%wt~0.35%wt, Cr content≤0.010%wt, Ni content≤0.010%wt, Al Content≤0.005%wt, N content≤0.005%wt, P content≤0.010%wt, S content≤0.005%wt; rolling diameter: φ5.5mm.
[0056] The method of producing wire 2# is as follows:
[0057] 1) Converter top-bottom composite blowing;
[0058] 2) Ladle blowing argon refining;
[0059] 3) Refining outside the furnace to obtain refined molten steel;
[0060] 4) Refined molten steel is poured into billets;
[0061] 5) The billet is austenitized in a heating furnace, and the billet is heated to a crystallization zone temperature of 1240±10°C;
[0062] 6) Roll and spin the austenitized billet. The process is: rough rolling at 1240±10°C; 1100±10°C; cooling through water, spinning at 1049°C to obtain steel wire;
[0063] 7) Cool the steel wire, and stay in the range of 950-1000°C for 11s on the Stelmore air-cooled line. The cooling rate...
Embodiment 3
[0070] High-carbon carbon steel wire 3#, its C content is 0.90%wt, Mn content is 0.35%wt, Si content is 0.10%wt~0.35%wt, Cr content≤0.010%wt, Ni content≤0.010%wt, Al Content≤0.005%wt, N content≤0.005%wt, P content≤0.010%wt, S content≤0.005%wt; rolling diameter: φ6.5mm.
[0071] The method of producing wire 3# is as follows:
[0072] 1) Converter top-bottom composite blowing;
[0073] 2) Ladle blowing argon refining;
[0074] 3) Refining outside the furnace to obtain refined molten steel;
[0075] 4) Refined molten steel is poured into billets;
[0076] 5) The billet is austenitized in a heating furnace, and the billet is heated to a crystallization zone temperature of 1140±10°C;
[0077] 6) Roll and spin the austenitized billet. The process is: rough rolling at 1140±10°C; 1060±10°C; cooling through water, spinning at 1010°C to obtain steel wire;
[0078] 7) Cool the steel wire, and stay in the range of 950-970°C for 17s on the Stelmore air-cooled line. The cooling rate ...
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