Prepainted Galvalume Rolled Coil for Construction roof
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 30000 m.t./month
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Structure of Prepainted Galvalume Rolled Coil
Description of Prepainted Galvalume Rolled Coil
Aluminum zinc coils is a kind of coated steel coil/sheet. With the cold rolled steel of different strength and thickness as substrate, it is produced through applying Al-Zn coat on both faces by hot dip process. In its coating, Al accounts for about 55%, Si 1.6%, while the remaining is Zn. Aluminum zinc coils enjoys both the physical protective feature and durability of Al and the electrochemical protective property of Zn. And its surface has bright silver color and regular embossed-like figure, which are highly decorative.
Main Feature of Prepainted Galvalume Rolled Coil
1.Corrosion resistance: It mainly depends on the aluminum protection. When the zinc being worn, the aluminum will form a dense layer of aluminum oxide, resist corrosion material to prevent further corrosion inside.
2. Heat resistance: Aluminum zinc alloy steel sheet has excellent heat resistance, can withstand high temperatures over 300 centigrade, and is similar with aluminized steel high temperature oxidation resistance. It often used in chimney pipes, ovens, fluorescent lighting device and the device cover.
3. Heat reflective: Galvanized steel plate heat-reflective high rate is twice as galvanized steel, often used to make insulation materials.
4. Economy: Because density of 55% AL-Zn is smaller than the density of Zn, so in the same weight and thickness of Galvanized zinc layer, aluminum-zinc steel plate is larger area more than 3% of galvanized steel sheet.
Applications of Prepainted Galvalume Rolled Coil
1. Construction and building: roofing; ventilating duct; handrail; partition panel;etc.
2. Electric appliance: refrigerator; washing machine; refrigerator; DVD;etc.
3.Transportation: oil tank; road sign; etc.
4.Agriculture:barn; etc.
5.Others:vending machine; game machine; etc.
Prepainted Prepainted Galvalume Rolled Coil
Specifications of Prepainted Galvalume Rolled Coil
Structure | |||
Item | Thickness | Type | Feature |
Laminated film | 50μm | Polyethylene | Protecting from scratchs and contamination(option) |
Top coat | 20μm | Polyester Fluorine | Chemical resistance and formability |
Primer coat | 5μm | Polyester | Workability, corrosion resistance and adhesion to the primer coating |
Chemical treatment | 1μm | Chromate | Good adhesion and corrosion resistance |
Substrate | 0.2mm-1.2mm | GI.GL,AL | GI.GL,AL |
Back coat | 5±2μm | Epoxy | Corrosion resistance and adhesion to the substrate |
FAQ of Prepainted Aluminum Zinc Rolled Coil for Construction
We have organized several common questions for our clients，may help you sincerely：
1. What is the minimum order quantity ?
Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide.
2. 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.
3. 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.
- Q:What are the different types of steel coil finishes?
- There are several types of steel coil finishes, including hot rolled, cold rolled, galvanized, and stainless steel.
- Q:I have a white gold engagement ring, and to be special I thought I'd get a plain band from Tiffany's--in stainless steel. Can stainless steel be worn with white gold or will there be a difference in the color or texture? I'm not planning on getting them soldered together, but I don't want it to be noticeable that they are different metals. Does anyone have experience in this subject?
- Stainless Steel Matching Wedding Bands
- Q:I have a knife with 154cm steel on it and I always here that you should put oil on it to keep it from rusting but I am just wondering what kind of oil? And how do I apply it and do I just leave it on there?
- I don't know that steel, or what kind of knife it is, but unless it is a kitchen knife use the same thing you would use on a gun. Use an oil that dries, like Eezox, or use paste wax, or BreakFree, or Corrosion X.
- Q:this is for a school project due morrow can u please answerwhat are disadvantages of stainless steelplease also show were u got info ty
- it sometimes rusts
- Q:Can steel coils be used in the production of HVAC systems?
- Yes, steel coils can be used in the production of HVAC (heating, ventilation, and air conditioning) systems. Steel coils are commonly used in the manufacturing of HVAC equipment such as air handlers, condenser coils, evaporator coils, and heat exchangers. Steel coils provide durability and strength, making them suitable for withstanding the high pressures and temperatures involved in HVAC operations. Additionally, steel coils offer good heat transfer properties, allowing for efficient heat exchange between the refrigerant and the air being conditioned. Overall, steel coils are a reliable and commonly used component in the production of HVAC systems.
- Q:How are steel coils used in the production of steel cables?
- Steel coils are used in the production of steel cables by being unwound and straightened to form individual wires, which are then twisted or braided together to create the cable.
- Q:is it much difference between 1095 and 1080,,,1065,,,1060 or even 1045 steel?please help and thanks!
- 1060 Carbon Steel
- Q:How are steel coils inspected for camber?
- Steel coils are inspected for camber using various methods to ensure their quality and suitability for further processing. One common method is visual inspection, where trained inspectors examine the coils for any visible signs of camber. They look for any deviation from a perfectly straight surface, such as a bow or a curve, which indicates the presence of camber. Another method involves using specialized equipment like straightedges, measuring tapes, and laser devices. Inspectors place the straightedge along the length of the coil to check for any gaps or spaces between the coil and the straightedge. If there is a significant deviation, it indicates the presence of camber. Measuring tapes are also used to measure the distance between the coil and the straightedge at multiple points along the length of the coil. This allows inspectors to determine the extent of camber and whether it falls within the acceptable tolerance limits. In some cases, laser devices are used to provide a more accurate measurement of camber. These devices emit a laser beam that is reflected off the coil's surface and is then analyzed to determine the presence and magnitude of camber. Additionally, advanced technologies such as computer vision systems and artificial intelligence algorithms are also being employed in the inspection process. These technologies can analyze images or videos of the steel coils and automatically detect any camber, providing accurate and efficient inspection results. Overall, the inspection of steel coils for camber involves a combination of visual inspection, manual measurements using straightedges and measuring tapes, as well as the implementation of advanced technologies. This multi-faceted approach ensures that camber is effectively detected and controlled, thus maintaining the quality and integrity of the steel coils.
- Q:What are the main factors that affect the flatness of steel coils?
- The main factors that affect the flatness of steel coils include the quality of the raw material used, the thickness and width of the coil, the temperature and humidity during the manufacturing process, the tension applied during coiling, and the cooling and leveling processes employed.
- Q:What are the factors that affect the price of steel coils?
- There are several factors that influence the price of steel coils. Firstly, the cost of raw materials such as iron ore and coal, which are essential for steel production, can significantly impact the price. Additionally, the demand and supply dynamics of steel in the market play a crucial role. Factors like economic growth, construction activity, and infrastructure development can drive up the demand for steel, leading to price increases. On the other hand, if there is excess supply or reduced demand, prices may decrease. Moreover, fluctuations in energy costs, transportation expenses, and currency exchange rates can also affect the final price of steel coils.
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Prepainted Galvalume Rolled Coil for Construction roof
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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