Galvanized Steel Coil Without Spangle: Premier Factory & Suppliers

Galvanized steel sheets without spangles are mainly produced through a special production process to control the lead in the zinc pot to a certain level, or after the strip steel is out of the galvanized pot, it undergoes special treatment to control the spangles to less than a certain level. Mainly used in home appliance housing ,roofing sheet ,rolling shutter door.

Detailed Photos

BOMIS  is one of professional galvanzied steel coil supplier factory in Shandong,China . Our galvanized steel coil production line has an annual production capacity of 50,000 tons and a manufacturing speed of 150m/min. We can manufacture and sell galvanized steel coils with a width of 600-1250mm and a coating weight of 20-300g/m3.  We have sufficient galvanized steel coil stock for fast delivery.

What about Galvanized Steel Coil suiface structure?

The surface of galvanized steel coil could be treated with chromated and oiled/non-oiled.

Chromate treatment of galvanized steel coils is also called passivation treatment. Through passivation treatment, the surface structure and gloss of the galvanized layer can be improved, the corrosion resistance and service life of the galvanized layer can be improved, and the bonding force of the coating and the base metal can be improved.
Oiled/ non-oiled The purpose of oiling galvanized steel coils is a protective layer is formed on the surface of the steel coil to prevent the surface from rusting.

Types of zinc coating of galvanized steel coil?
 

Hot-dip galvanized coils are divided into pure zinc coating and zinc-iron alloy coating according to the coating. Their common point is that the zinc content of the zinc solution in the zinc pot is the same. The difference is that the zinc-iron alloy adds an alloying process.