Zinc coated steel  roll(gi,galvanized steel coil):

Standard:ASTM A653/A924M 1998 or DIN17162-1-79 or GB/T1839-93

Base steel:  

     DX51D+Z,DX52D,DX53D,DX54D,DX56D,S250GD,S280GD,S320GD,

     S350GD,S550GD.

Surface treatment: chromated and oiled, chromated and non-oiled regular spangle or normal spangle

Zinc coating: Z60,Z80, Z90, Z100, Z120, Z150, Z180, Z200, Z220, Z250 and Z275

Overall thickness range: 0.15mm to 3.0mm

Overall width range: 20mm to 2000mm

Package: standard export package with water-resistant paper and inner and outer edges protection

Mainly used in home appliances, constructions, machineries

Thickness of plating is controlled with low tolerance and high erosion resistance after passivisation .