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| combined deoxidation with Si and Mn (With a small addition of aluminum, e.g. about 35 kg for a 220 to 240 tonne heat together with Si/Mn, almost all the aluminum is consumed in this combined deoxidation with Si and Mn. 在硅锰复合脱氧时添加少量铝,比如说一炉 220 ~ 240t 的钢水添加 35kg 左右的铝，在此种情况下几乎所有的铝都将消耗殆尽。) | |||
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