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Method of Manufacturing Ti-Containing Austenitic Stainless Steel Sheet by Twin Roll Strip Caster
Method of Manufacturing Ti-Containing Austenitic Stainless Steel Sheet by Twin Roll Strip Caster
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机译:双辊薄带连铸机制造含钛奥氏体不锈钢板的方法
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摘要
There is provided a method of manufacturing a titanium (Ti)-containing austenitic stainless steel sheet having a high degree of surface quality by using a twin roll strip caster. The method includes controlling a composition of molten steel such that a TiN precipitation temperature may be higher than a temperature of the molten steel in a tundish (T/D) by at least 50° C. (ΔT≧50° C.), the TiN precipitation temperature being defined by the following formula 2:; Log(N%)=−19,755/(T+273)+7.78+0.07[% Ti]−log [% Ti]+; 0.045[% Cr]; T(° C.)=−19,755/log(N%)−7.78−0.07(%Ti)+log(%ti)−0.045(%Cr)−273 [Formula 2]
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