论文部分内容阅读
硅铝钡铁合金是新研制的一种节铝型复合脱氧剂。在120t转炉上,对镇静钢的十几个钢种进行用硅铝钡铁合金脱氧合金化的试验研究,结果表明:在硅铝钡铁合金(Si20％,Al40％,Ba7～8％)的加入量与硅铝铁合金(Si20％,Al50％)的加入量基本相同的条件下,钢中酸溶铝含量基本不变,可平均节铝约22％。同时,钢中氧化物夹杂含量平均减少29％,钢中非金属夹杂物形态有所改善,钢材的力学性能也有所提高,经济效益显著。
Si-Al-Ba-Fe alloy is a newly developed aluminum-type composite deoxidizer. In the 120t converter, the quenched steel more than a dozen steel with barium aluminum alloy deoxidation alloy test results show that: in the silicon aluminum barium iron alloy (Si20%, Al40%, Ba7 ~ 8%) added amount With the same amount of Si-Al-Si alloy (Si20%, Al50%), the content of acid-soluble aluminum in steel is basically unchanged, and the average section aluminum is about 22%. Meanwhile, the average oxide inclusions in steel decreased by an average of 29%, the morphology of non-metallic inclusions in steel improved, the mechanical properties of steel also increased, significant economic benefits.