Standard no. GB/T 2272-2009, title Ferro Silicon.
Issuance 2009-7-8, execute 2010-4-1, first issued 1980-12-31, replaces GB/T 2272-1987.
Adopts ISO 5445:1980 with degree MOD.
ICS 77.100, CCS H42. Governor: China Iron and Steel Association. Technical committee: National Technical Committee on Steel Standardization.
Covers technical requirements, test methods, inspection rules, packaging, storage and transportation, marking and quality certificate.
Applies to ferrosilicon used in steel making and casting as deoxidizing or alloying agent and in the magnesium metal industries.
Referenced methods include GB/T 3650, GB/T 4010, and GB/T 4333.1 through 4333.10 for Si, P, Al, Cr, S, Ca, C.