The original surface: NO.1 after hot rolled heat treatment and pickling surface. Generally used for cold rolled materials, industrial tanks, chemical industrial installations, etc., thickness

Thicker by 2.0MM-8.0MM.

Blunt: NO.2D after cold-rolled by heat treatment, pickling, the soft material, the surface was silver-white gloss, for deep drawing processing, such as automotive components, pipes and so on.