Knowledge
Notes from the original technical pages
Rewritten from four source articles. The 2022 silicon price note is historical — it is not a live offer.
What Ferro Silicon Is Used For
Source article on steelmaking deoxidation, alloying ranges by steel type, foundry inoculation, and handling notes for phosphine if FeSi gets wet.
Ferro Silicon Standard GB/T 2272-2009
Chinese national standard for ferro silicon used in steelmaking, casting, and magnesium-metal production, modified from ISO 5445:1980.
Silicon Metal Grades Explained
Grades are defined by iron, aluminum, and calcium residuals — not by a marketing name.
Silicon Metal Price Note (September 2022)
Historical commentary from the source news page. Do not present yuan figures as current offers.