Pre-painted Steel Coil for Roof of Building

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50000 m.t.
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12000 m.t./month

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1.Structure of Pre-painted Galvanized Steel Description

With GI as base metal, after pretreatment and liquid dope with several layers of color, then after firing and cooling, finally the late steel is called pre-painted galvanized steel which is good capable of decoration, molding, corrosion resistance.

2.Main Features of Pre-painted Galvanized Steel:

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3. Pre-painted Galvanized Steel Images


Pre-painted Steel Coil for Roof of Building

Pre-painted Steel Coil for Roof of Building


4. Pre-painted Galvanized Steel Specification

Standard: JIS G3312 ASTM 755M, EN10169

Grade: CGCC,CS, DX51D

Thickness: 0.16mm~1.5mm,0.16-1.5mm

Width: 1250,600-1250mm

Coil weight:3-12 MT

Coil ID:508/610mm

Chemical composition:
























5.FAQ of Steel

We have organized several common questions for our clients,may help you sincerely:

1.How about your company

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customers requirements.

2.How to guarantee the quality of the products

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.




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Q:Color plate and color steel sandwich panel difference?
Color steel plate is iron plate, and Caigang sandwich plate is the middle of the core sandwich, such as: foam color steel sandwich panels, etc.
Q:EPS corrugated composite board and corrugated sandwich board What is the difference
EPS corrugated composite board is a corrugated sandwich board, according to the core of the different corrugated sandwich panels are divided into EPS corrugated sandwich panels (that is, EPS), extruded sandwich panels, polyurethane sandwich panels and rock wool sandwich Plate and so on. Construction is the steel structure plus sandwich panels.
Q:Use the sandwich board to do the quotation of the wall how to do ah
The board of the board is made of lightweight Polish special cement, EPS granule, expanded perlite, a variety of high-molecular light aggregate for core board, strong composite treatment made of lightweight partition plate
Q:Can the color steel sandwich panels be properly bent?
Color steel plate sandwich panels can not be bent, it is surrounded by a fixed keel, can not bend! It works on the plane!
Q:Color steel sandwich panel door how to do?
Color steel sandwich panel door how to do? This large number of doors in the clean room area, it has ready-made aluminum alloy assembly can be. A small amount can be made with the annex to the material package, with riveting can be.
Q:Sandwich panel sandwich panel characteristics
Sandwich panels, composed of two layers of metal panels (or other material panels) and directly in the middle of the panel foam, mature molding of the polymer core insulation composition, easy to install, light and efficient. Filling system is also used to close the molecular structure, you can put an end to the condensation of water vapor. Sandboard is a common product in the current building materials, not only can a very good flame retardant and environmentally friendly sandwich board English name: laminboard sandwich panel products are made of two layers of metal panels (or other material panels) and Directly in the middle of the panel foam, mature molding of the polymer core insulation composition. These sandwich panels are easy to install, lightweight and efficient. Filling system is also used to close the molecular structure, you can put an end to the condensation of water vapor. [1] The formation of the outer steel plate takes full account of the structural and strength requirements, and take into account the aesthetic, the inner layer of the formation of flat to meet the needs.
Q:Caigang sandwich board plus layer to do the house can handle many years
It depends on what grade you choose the color plate, including the surrounding environment and many other effects. The last one or two years on the rust rotten, the current market should be the best Baosteel color plate, but the price is more expensive, to the color steel sandwich board than the same level of other small manufacturers to 10 to 20 yuan Per meter, under normal circumstances, if you want to live for a long time, I suggest you do not use materials than low 0.5mm thick color plate, the general manufacturers can also use the color plate 8-15 years, if the board is too thin, then not Good to say, the thinner the color plate, the faster the corrosion, if the use of Baosteel's color plate, with more than 15 years should not be a problem. Due to price factors, the general small manufacturers do not have Baosteel color plate.
Q:How do you make a curved shape on a sandwich panel?
You can open a lot of slots on the board, the depth of the slot than the thin about two millimeters, each slot spacing to stay three millimeters. The whole board to open such a slot, so that you can make a curved
Q:Level sandwich panels are not 820 type
In fact this is nothing, JXB is not the first letter of the word sandwich panels. 42-333-1000 This is the sandwich panel on the upper and lower color plate model. For example: YX28-205-820 pressure wave height of 28MM wave width 205MM effective width is 820mm a look at this model is 4 wave color plate JXB42-333-1000 can explain: sandwich board which up and down a plate of the color plate 42MM pitch 333 effective use of the width of 1000 This model can be seen is 3 wave pressure plate. Sandwich panels are made of upper and lower color plate glue (foam) combination. The composition of the bubble is different, the name is also different, there are rock wool with polyurethane and so on
Q:Will the color steel sandwich panels how to install the above doors and windows how to install?
There are professional accessories, the first keel to install the board room, or the wind blowing down, the roof is not easy to get, get good also leaking, it is recommended that the landlord do not get their own, time-consuming also, but also bad.

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