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Fabrication of an aluminum-killed steel for the continuous casting of semi-products for deep drawing applications without the addition of calcium
Fabrication of an aluminum-killed steel for the continuous casting of semi-products for deep drawing applications without the addition of calcium
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机译:铝镇静钢的制造,用于在不添加钙的情况下进行深冲应用的半成品的连续铸造
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摘要
Fabrication of an aluminum-killed steel involves: blowing low sulfur raw iron to steel in a basic LD (Linz Donavitch) converter; low slag casting the non-killed steel into a casting ladle; adding slag-forming fluxes; lightly scrubbing with scrubbing gas at 100-400 l/min; deoxidizing completely with aluminum wire; final alloying; and continuously casting the steel. The composition of the steel used in the process is (% by wt): (a) C = 0.05; (b) Si = 100 ppm; (c) Mn 0.05 - 0.7; (d) P max 150 ppm; (e) S max 150 ppm; (f) Al 0.005 - 0.05; (g) O = 50 ppm.
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