Appearance: Dark brown, sliver gray metallic luster after chemistry wash. Surface is smooth, level .no defects ,such as, double skin, divide layer, crackle, splitting. The thickness of product is more than 1.0mm, it is supplied with the hot-rolled; when the thickness is less than 1.0mm, it is supplied with the cold-rolled or chemical wash.

Surface states can be divided in black surface, chemical wash and polished surface.

The impurity content accords with GB/T3876-2007.

Dimension: ï¼Â?1-50ï¼Â?×ï¼Â?60-500ï¼Â?×1200mm, unit weight ≤ 100kg.