High Quality Silicon Metal 421 For Steel Making

high quality Silicon metal 421 for Steel makingIts component, silicon content is at about 98% (during recent years , the product whose Si content is at 99.99% also can be included in metal Silicon), the balance impurity is Fe?Al?Ca and so on. Feature: Industrial silicon powder is regarded as alloy additive ,improve the steel hardenability in metallurgy and foundry industry . Uses:As non-ferrous alloy additives.      Grade Composition
High Quality Silicon Metal 421 For Steel Making