This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and contract content for iron, manganese, copper, chromium and titanium additives. This standard is applicable to the preparation or adjustment of additives for aluminum and aluminum alloys or chemical compositions containing iron, manganese, copper, chromium, titanium, etc.
YS/T 492-2005 history
2021YS/T 492-2021 Aluminum and aluminum alloy ingredient additives
2012YS/T 492-2012 Element additive for aluminium and aluminium alloys
2005YS/T 492-2005 Eliment additive for aluminium and aluminium alloy