Hot-dip galvanizing is the reaction of molten metal with an iron substrate to produce an alloy layer, thereby combining the substrate and the plating layer. Hot-dip galvanizing is to pickle iron and steel parts first. In order to remove iron oxide on the surface of iron and steel parts, after pickling, it is cleaned in an ammonium chloride or zinc chloride aqueous solution or a mixed solution of ammonium chloride and zinc chloride.And then sent to the hot-dip plating bath. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.

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What are advantages of galvanized steel?

Because it is produced through applying Zn coat on both faces by hot dip process. It enjoys both the physical protective feature and the electrochemical protective property of Zn.

>>Machinability: It can satisfy the processing requirements of rolling, coiling and others processes alike.

>>Thermal resistance: Common HDG steel plate normally works under 230℃, and has its color changed at 250℃, however, Galvanized steel plate can sustain the environment at 315℃ for long time.

>>High reflectivity: Reflection ability of heat and light is twice as much as those of hot-dip zinc steel sheet, and its reflectivity is more than 0.70, which is an ideal construction materials of saving energy.

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Q: Are you trading company or manufacturer ?
A: We are professional manufacturer for steel pipe, and our company also is a very professional a trade company for steel
products.we can also provide a wide range of steel products.

Q: Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time .Honesty is our company's tenet.

Q: Do you provide samples ? is it free or extra ?
A: The sample could can provide for customer with free,but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?
A: Yes absolutely we accept.