Aluminum zinc coil
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Key words:
Galvalume Steel
Product Details
For galvanized coils, the sheet steel is immersed in a molten zinc bath to make a sheet of zinc coated on its surface. It is mainly produced by continuous galvanizing process, that is, the rolled steel plate is continuously immersed in a plating tank with zinc melted to make galvanized steel plate; alloyed galvanized steel plate. This kind of steel plate is also manufactured by hot dip method, but immediately after being out of the tank, it is heated to about 500 ℃ to form an alloy coating of zinc and iron. This galvanized coil has good paint adhesion and weldability.
Adhesion and weldability.
(1) normal spangle coating
During the normal solidification process of the zinc layer, the zinc grains grow freely and form a coating with an obvious spangle shape.
(2) minimized spangle coating
During the solidification process of the zinc layer, the zinc grains are artificially restricted to form the smallest possible spangle coating.
(3) spangle-free spangle-free coating
The coating obtained by adjusting the chemical composition of the plating solution has no visible spangle morphology and a uniform surface.
(4) zinc-iron alloy coating zinc-iron alloy coating
The steel strip after passing through the galvanizing bath is heat treated to form an alloy layer of zinc and iron in the whole coating. The appearance of this coating is dark gray without metallic luster. A coating that can be painted directly without further treatment other than cleaning.
(5) differential coating
For both sides of galvanized steel sheet, coatings with different zinc layer weights are required.
(6) Smooth skin pass
Skin-passing is a cold-rolling process performed on galvanized steel sheets with a small amount of deformation for one or more of the following purposes.
Improve the surface appearance of galvanized steel sheet or be suitable for decorative coating; make the finished product not see the phenomenon of slip line (Lydes line) or crease during processing to minimize temporarily, etc.
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We always provide customers with good products and technical support, and sound after-sales service. Our company is mainly engaged in color steel processing and installation; composite board, C profile, color steel tile production and sales; metal product processing and sales; steel wholesale and retail, The company has dozens of employees, we have good products and professional sales and technical teams.
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FAQ
Q: Are you a manufacturer?
A: Yes , we are a manufacturer, We have own factory, We have a leading power in producing and exporting galvanized steel coil,galvalume steel coil,ppgi etc. We promise that we are what you are looking for.
Q: Can we visit your factory?
A:Warmly welcome once we have your schedule we will pick you up .
Q: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.
Q: How long is your delivery time?
A: Generally it is 10-35 days .it is according to quantity.
Q: How can we get the offer?
A:Please offer the specification of the product,such as material,size,shape,etc.So wecan give the best offer.
Q: How do you make our business long-term and good relationship ?
A: 1.We keep good quality and competitive price to ensure our customers' benefit.
2.We respect every customer as our friend and we sincerrly do business and make friends with them, no matter where they come from.
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