2015YS/T 322-2015 Titanium dioxide for metallurgy application
1970YS/T 322-1994 Titanium dioxide technical conditions for metallurgy
1970YB 523-1982 Titanium dioxide technical conditions for metallurgy
YS/T 322-1994 Titanium dioxide technical conditions for metallurgy has been changed from YB 523-1982 Titanium dioxide technical conditions for metallurgy.