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PRODUCTION OF HIGH-STRENGTH COLD-ROLLED STEEL PLATE FOR DEEP DRAWING HAVING EXCELLENT NONAGING PROPERTY, SECONDARY WORKABILITY AND CURING PERFORMANCE FOR BAKED PAINT
PRODUCTION OF HIGH-STRENGTH COLD-ROLLED STEEL PLATE FOR DEEP DRAWING HAVING EXCELLENT NONAGING PROPERTY, SECONDARY WORKABILITY AND CURING PERFORMANCE FOR BAKED PAINT
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机译:具有出色的永久性,二次加工性和烘烤性能的深拉伸高强度冷轧钢板生产
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PURPOSE:To obtain a steel plate having excellent nonaging property, secondary workability, etc. by subjecting an Al killed steel ingot contg. prescribed ratios of C, Si, Mn, P, etc. to prescribed hot working. CONSTITUTION:Al killed steel contg. =0.005% C, =0.8% Si, =1.2% Mn, 0.03- 0.14% P, =0.07% solAl, =0.008% N, 0.8-1.6 B/N and 0.5-6 Nb/C is melted. The Al killed steel ingot obtained by casting said molten metal is hot rolled at 950-1,180 deg.C; thereafter, the rolled plate is cold-rolled and is continuously annealed at temps. higher than the recrystallization temp. and lower than the Ac3 point. Thus, the steel plate having excellent nonaging property, secondary workability, etc. is obtained.
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机译:目的:通过对铝镇静钢锭进行控制,以获得具有优异的非时效性,二次加工性等的钢板。 C,Si,Mn,P等相对于规定的热加工的规定比例。组成:铝镇静钢。 <= 0.005%C,<= 0.8%Si,<= 1.2%Mn,0.03- 0.14%P,<= 0.07%solAl,<= 0.008%N,0.8-1.6 B / N和0.5-6 Nb / C为融化了。通过铸造所述熔融金属获得的Al镇静钢锭在950-1,180℃下热轧;此后,将轧制的板冷轧并在温度下连续退火。高于重结晶温度。并低于Ac3点。因此,获得了具有优异的非时效性,二次加工性等的钢板。
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