... .03mm,regular spangle ,chromate ,no oiled coil weight: 3-8 tons ITEM: hot dip galvalume steel coils (AZ coils ) Width tolerance :+2 ... .03mm,regular spangle ,chromate ,no oiled coil weight: 3-8 tons ITEM: hot dip galvanized steel strips(GI strips ) GB/T 2518 ... /-0mm ,thickness tolerance :+/-0.03mm,regular spangle ,chromate ,no oiled coil weight: no more than 3 tons steel coil