Опубликовано в "Бизнес, Бизнес", язык - English. 7 страниц.
Ferrosilicon powder is made by melting a fixed ratio of high purity iron and crude ferrosilicon in an induction furnace. The molten metal is then atomised using a high pressure stream of inert nitrogen gas to produce a high-grade ferrosilicon powder. Еще
