SPCC galvanized steel sheet
SPCC galvanized steel sheet
SPCC galvanized steel sheet

SPCC galvanized steel sheet

Galvanized Steel Sheet & Plates, are intended for use where greater corrosion protection is required without painting. A lower cost alternative to stainless steel, galvanized sheet and plates have a rust free protection for up to 30 years, while maintaining strength with a durable surface coating. Metals Depot stocks many sizes in precut sizes, full mill sizes or we can hot dip virtually any size and quantity required for your welding or construction project.


Galvanized sheet / plate can be cut, machined or welded by common methods used for regular steel, but adequate ventilation should be used to avoid inhalation of fumes when heated. Sheared edges are not galvanized and can be treated with a cold galvanizing paint to maintain protection if desired. 1/4" to 1/2" plates may have a 3/4" hole present in two corners from the dipping process. All dimensions are before the galvanizing process. 


Standard Specification Of Galvanized steel sheet Plate:

GradeJIS G3302-94 Q195, Q235,Din17175
SGCC, SGCH,SGC340 SGC400 SGC440 SGC490 SGC570
SGHC SGH340 SGH400 SGH440 SGH490 SGH540
DX51D DX52D DX53D DX54D
S220GD S250GD S280GD S320GD S350GD S400GD S500GD S550GD
Thickness0.12-6.0mm
Width600-1250mm
LengthCoil or as Customers' requirement
SurfaceChromated and oiled, and ant-ifinger
FinishHot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
 ApplicationStructural use ,roofing, corrugated roofing, commercial use, household appliance, industry


Application:

1. Galvanized steel plate is widely used in various environments and has a long anti-corrosion life. The anti-corrosion life is different in different environments.

2. The treatment cost is low, and the anti-corrosion cost of galvanized steel plate is lower than that of other paint coatings.

3. Durable. In suburban environment, the standard galvanized antirust coating does not need to be repaired and can be maintained for more than 50 years. In urban or offshore areas, the standard galvanized antirust coating can be maintained for 20 years without repair.

4. Good reliability. The zinc coating and steel are metallurgically combined and become a part of the rigid surface, so the durability of the coating is relatively reliable.


Characteristic machining technology

1. The cold and hot rolled steel plate is degreased by alkali washing, washed by water, dried, and then enters the horizontal (vertical) heating furnace heated by radiant tube for annealing. A certain amount of hydrogen is introduced into the furnace to reduce the atmosphere in the early layer of the furnace.

2. The steel strip heated to a certain temperature is immersed in the liquid zinc under certain conditions for hot galvanizing.

3. While the size of the zinc flower is controlled by the composition of liquid zinc, the forced cooling method is adopted. Before the zinc flower begins to diffuse, the small zinc flower products are quenched with the small zinc flower equipment to prevent the continuous diffusion of the zinc liquid and form small zinc flowers.

4. After hot-dip galvanizing, the waiting post is cooled, the surface is polished, and finally the surface is passivated or directly produced into color coated coil according to the purpose


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