Hot-dip galvanizing is done by pickling the steel pipe first, in order to remove the iron oxide on the surface of the steel pipe. After pickling, the steel pipe is cleaned by ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution bath, and then sent to the hot dip plating bath.
Galvanized Steel Pipe Description
FAQ
Q:What are the shipping ports?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can choose other ports according to your needs.
Q:How can I get a quotation from you ?
A:You can leave us message, and we will reply every message in time. Or we may talk on line by Trademanager.
Q:Can I get samples before order ?
A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.
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