用途：作为钢中氮和锰的合金添加剂主要用于生产特殊合金钢、高强度钢、不锈钢、耐热钢等产品。

Uses：As nitrogen and mangese in steel alliying additive is mianly used for production of special alloy steel,high strength steel,stainless stell,heat-resistant stell products.