Jun 06, 2019 · CaSi Cored Wire. Calcium Silicon. High Carbon Ferro Silicon. ferro silicon lumps china/ferro silicon prices/fesi alloy. We can offer you 75%, 72%, 65%, 45% grade ferrosilicon products.Our professional manufacturer of ferrosilicon, with 15 years of production experience, exports to many countries, have fesi 65/70/72/75.wee inquiries Alloy Cored Wire Horizontal And Vertical Used In Steelmaking And Casting Silicon Calcium Cored Wire Ferro Calcium Wire Product description: The cored wire is to crush various additives etc.) to be added.. ZH. Address: Ferroalloy Industri, China. Contact Now .Cast alloys with 5% Cu, often with small amounts of silicon and magnesium. Cast alloys with 7-8% Cu, which often contain large amounts of iron and silicon and appreciable amo tin, etc. Cast alloys with% ese alloys may contain small amounts of magnesium .30% Mg), iron up to 1.5%, up to 5% Si and smaller As a trusted ferro alloy supplier, Zhenxin Metallurgical Our main products cover high quality ferroalloys l like ferro silicon, calcium silicon, calcium metal, ferrosilicon nitride, ferro chrome nitride, ferrosilicon manganese, ferro manganese, ferro chrome, alloy cored wire, etc. 7.How do you control quality ?