After cold rolled, the products are treated by heat treatment, pickling or similiar methods, skin passing to obtain proper surface brightness.
2D
After cold rolled, the products are treated by heat treatment, pickling or similiar methods, skin passing with rough roll to obtain surface with certain roughness.
HL
Products are treated by polishing with proper abrasive substance to obtain continuous lines.
No.4
Products are treated by polishing with proper abrasive substance(grain size 150-320) according to GB2477.
BA
After cold rolled, the products are treated by bright annealing method to obtain surface brightness.
No.8
Products are treated by polishing with proper abrasive substance. The product have excellent brightness and prefer reflexivity can to be the mirror.
No.1
After hot rolled, the products are treated by heat treatment, pickling or similiar methods, skin passing to obtain proper surface brightness.