Hot dipped galvanized steel coil will have different surface states because of different treatment during the coating process. Such as regular galvanized steel coil, thin galvanized steel coil, smooth galvanized steel coil.
Hot dipped galvanized steel coil should have good appearance but not the flaw that will be bad for product usage. Like non-coating, hole, fracture, scum, over-coating, scratch, chromic acid dirt or white rust etc.
The reason why there’s zinc coating on the surface of hot dipped galvanized steel coil, is that the steel sheet is easy to oxidation by oxide in the air and corrosion. The coating is also to protect the sheet better. There’s two advantages of hot dipped galvanized steel coil. One is adherence and another is weldability. In the view of NAM KIM STEEL, as these two advantages, it is widely applied in the area of building, industry, auto industry and business. And the anti-corrosion property of hot dipped galvanized steel coil also have a good effect of the home appliance manufacture.
Protect against corrosion with hot dipped galvanized steel from NAMKIM STEEL
Hot dip galvanizing is a process of coating steel with a thin zinc layer, which serves as a barrier between the steel and the environment. The finish is applied by passing the steel through a molten bath of zinc at a high temperature.
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