Galvanizing is an economical and effective method of rust prevention that is often used.About half of the world's zinc production is used in this process.This kind of steel plate is also made by the hot-dip method, but it is heated to about 500 °C immediately after exiting the tank to form an alloy film of zinc and iron.
From the point of view of the degree of coating, the galvanized steel coil is mainly the zinc plated on the coating, while the coating of the galvalume steel coil not only has zinc, but also has an extra part of aluminum.Galvalume steel sheet (coil) has better atmospheric corrosion resistance.
| Coating | Thickness | Width | Width | Width |
|---|---|---|---|---|
| G90 | 10GA (.1472 MAX - .1292 MIN) | *** | 48 | 60 |
| 11GA (.1323 MAX - .1143 Min) | *** | 48 | 60 | |
| 12GA (.1174 MAX - .0994 MIN) | *** | 48 | 60 |
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