ladle refractory cost | 钢包耐火材料费用 (Changes in steel ladle refractory lining materials at Granite City Steel have dramatically improved ladle lives while reducing steel penetration and ladle refractory costs. 格拉尼特城钢公司钢包耐火衬材质的改变已大幅度提高了钢包寿命,同时减少了钢水穿透事故、降低了耐火材料费用。) |