This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, storage and transportation, marks and quality certificates of ferromanganese. This standard applies to ferromanganese as a deoxidizer and alloying element additive for steelmaking and foundry.
GB/T 3795-2006 Referenced Document
GB/T 3650 The general rules for inspection,packing,storing,transportation,marking and certification of ferroalloy*, 2008-08-05 Update
GB/T 4010 Ferroallys sampling and preparation of samples for chemical analysis*, 2015-09-11 Update
GB/T 7730.1 Ferromanganese and blast furnace ferromanganese--Determination of manganese content--Potentiometric method and titrimetric method after ammonium nitrate oxidation
GB/T 7730.2 Ferromanganese and blast furnace ferromanganese--Determination of silicon content--Gravimetric method after perchloric acid dehydration
GB/T 7730.3 Methods for chemical analysis of ferromanganese. The determination of phosphorus content