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Galvanized seamless tube
publishers£º¹ÜÀíÔ± Release time£º2012-5-8 9:22:48 read£º2433times
 

Galvanized seamless tube is divided into cold-plated steel seamless pipe, hot dip seamless pipe.

Hot dip galvanized seamless pipe: steel tube matrix with molten bath complex physical, chemical reaction, the formation of corrosion-resistant structure of zinc-iron alloy layer. Alloy layer and the layer of pure zinc, steel matrix blend. So the corrosion resistance ability.

Cold-plated steel seamless pipe: zinc coating is independent of stratification of the plating layer, the zinc layer and the steel pipe substrate. The zinc layer is very thin zinc layer is simply attached to the steel pipe substrate is easy to fall off. Therefore, its poor corrosion resistance. Prohibit the use of cold galvanized steel pipe as a water supply pipe in the new residential.

 

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