Φ30 mm试验冷镦钢SWRCH22A（/%：0.18C,0.04Si,0.87Mn,0.013P,0.010S,0.039Al）的生产工艺为100 t BOF-LF-150 mm×150 mm坯连铸-轧......

为减少钢中夹杂物和对夹杂物变性处理,防止连铸水口结瘤,对100 t LF 5炉SWRCH22A冷镦钢（/%：0.18~0.20C,0.44~0.62Si,0.85~0.89Mn,0.0......