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High quality DX51D+Z Zero spangle 0.2mm SGCC/SGCD cold rolled galvanised metal sheets g90 galvanized steel coil
hot dip galvanized coils, where the steel plate is dipped into a bath of molten zinc to coat its surface with a layer of zinc. This galvanized coil has good paint adhesion and weldability. The specifications can be customized according to the specific application, which greatly improves the production strength of gi coil and greatly reduces the production cost of galvanized steel coil suppliers, making the price of gp coil much cheaper.
Galvanized Steel Coil Packing And Shipping:
Mill standard export seaworthy package with inner sleeve and with 4 eye bands 3 circumferential bands in steel,galvanized metal fluted rings on inner and outer edges,galvanized metal & water proof paper wall protection disk around circumferences.
Galvanized Steel Coil Product Parameter :
| Product Name | High quality DX51D+Z Zero spangle 0.2mm SGCC/SGCD cold rolled galvanised metal sheets g90 galvanized steel coil |
| Material | Q195,Q235,Q235B,Q345,Q345B,SGCH,JIS G3302, ASTM A653,S280GD+Z, S350GD+Z,SGCC, DX51D/ DX52D, SGCC,DX51D+Z/ DX52D+Z |
| Thickness | 0.1-4mm |
| Width | 600-1500mm |
| Tolerance | +/-0.02mm |
| Coil Weight | 3-20tons |
| MOQ | 25 Tons (One 20ft FCL) |
| Surface Treatment | Light Oil, Unoil,dry, chromate passivated, non-chromate passivated. |
| Spangle | Regular Spangle,Small Spangle, Zero Spangle,Big Spangle |
| Payment | 30%T/T in advanced+70% balanced; irrevocable L/C at sight |
| Other | Insurance is all risks and accept the third party test |
Galvanized Steel Coil process:
1.Hot and cold rolled steel plate through alkali washing degreasing, and washed, dried and then into the horizontal (vertical) heating furnace heating radiation tube for annealing, furnace through a certain amount of hydrogen to make the furnace early layer reduction atmosphere.
2.The steel strip heated to a certain temperature is immersed in zinc solution for hot dip galvanizing under certain conditions.
3.Zinc flower size has liquid zinc composition to control at the same time, the method of forced cooling to control, small zinc flower products in the zinc flower began to spread before, with small zinc flower equipment for rapid cooling to prevent zinc liquid to continue to spread, the formation of small zinc flower.
4.After the hot dip galvanized post cooling through the surface finishing, and finally according to the use, respectively, surface passivation treatment or direct production into color coated coil plate.
