酒泉钢铁公司生产的铸造生铁(简称酒钢生铁),普遍存在“硅高硫低”或“硅低硫高”的规律,含有多种微量元素,其总量约0.112％左右。同时杂质也较多,铸铁表面常常残留着一定数量的硫化物和其它氧化物。使用这种铁 Casting pig iron produced by Jiuquan Iron & Steel Co., Ltd. generally has the law of “low sulfur and low sulfur” or “low sulfur and high silicon”. It contains a variety of trace elements and the total amount is about 0.112%. At the same time more impurities, cast iron surface often remain a certain amount of sulfide and other oxides. Use this iron