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:i have a white spot on my stainless steel stove, its on the part behind the burners where the oven controls are, does anyone know what it may be and how to remove it. i have tried soap and water and stainless steel cleaner but neither worked. thanks!
- Barkeeper's Friend is the bomb for a metal and fiberglass cleaner, if it can be removed, it will remove it. I have no clue what it is thats on there.
- Q:How do steel coils contribute to the manufacturing of HVAC systems?
- The manufacturing of HVAC systems heavily relies on steel coils, which have a critical role. These coils typically consist of high-quality steel, known for its exceptional strength, durability, and resistance to heat. Heat exchangers are one of the primary applications of steel coils in HVAC systems. These exchangers play a vital role in transferring heat between different mediums, usually air and a refrigerant. In HVAC systems, steel coils are employed in both the evaporator and condenser coils. The evaporator coil absorbs heat from the indoor air, while the condenser coil releases heat to the external environment. These coils are designed with numerous coiled tubes connected by fins. The use of steel in their construction ensures their ability to withstand high pressure and resist corrosion, guaranteeing the long-term reliability and efficiency of the HVAC system. Steel coils also contribute to the overall structural integrity of HVAC systems. They are commonly utilized in the fabrication of ductwork, responsible for distributing conditioned air throughout a building. The strength and rigidity of steel coils enable the ductwork to maintain its shape and structural integrity under various conditions, including high air pressure and temperature fluctuations. Additionally, steel coils are frequently involved in the fabrication of HVAC system cabinets and enclosures. These cabinets house several system components, including compressors, fans, and control panels. The robustness of steel coils ensures that the cabinets can withstand external forces, protect the internal components, and provide a secure housing for the entire HVAC system. To summarize, steel coils are crucial components in the manufacturing of HVAC systems. Their strength, durability, and heat resistance make them ideal for applications such as heat exchangers, ductwork, cabinets, and enclosures. By incorporating steel coils, HVAC manufacturers can produce systems that efficiently regulate temperature, enhance indoor air quality, and provide comfort in various residential, commercial, and industrial settings.
- Q:does he use a nylon guitar or steel?
- He's using a nylon guitar. The trick to know whether it is nylon or steel is by looking at the headstock. steel ones use the ones you see from a regular electric guitar. the nylon ones has two major holes on them I don't know why but that's based on what i have seen. One more thing is its bridge. the nylon ones do not use pin-like stoppers to prevent the strings from falling off unlike the steel-stringed guitars that use them.
- Q:What are the different coil winding methods used for steel coils?
- Steel coils can be wound using various methods, each having its own benefits and uses. 1. Layer winding is the most commonly employed technique for steel coils. It entails winding the steel strip or sheet in concentric layers to create a coil. This method is suitable for narrow and thin strips, offering excellent coil stability and strength. 2. Cross winding involves winding the steel strip in a crisscross pattern, alternating the direction of each layer. This ensures even stress distribution and prevents coil instability. Cross winding is typically used for wider or thicker steel strips. 3. Spiral winding is utilized for large or heavy steel coils. The steel strip is wound in a spiral pattern, gradually increasing the coil's diameter. This method facilitates easy handling and transportation while providing stability and preventing coil collapse. 4. Toroidal winding is employed to produce toroidal or donut-shaped coils. The steel strip is wound in a circular path, with each layer placed inside the previous one. Toroidal winding is commonly utilized in applications like transformers, where specific coil shape and size are required. 5. Interleaved winding involves intertwining two or more steel strips during the winding process. This method is used to create composite coils with varying materials or thicknesses. It enhances strength, stability, and enables customized designs. The selection of a specific coil winding method depends on factors such as strip thickness, width, tensile strength, and desired coil properties. Each method offers unique advantages and is chosen based on the specific requirements of the steel coil application.
- Q:How are steel coils used in the production of household appliances?
- Steel coils are used in the production of household appliances as they serve as the primary material for manufacturing various components such as the outer body, frame, and internal structures. These coils are formed into different shapes and sizes, allowing for the creation of durable and robust appliances. The steel coils provide strength, stability, and resistance to wear and tear, ensuring the longevity and reliability of the appliances.
- Q:What are the common methods of welding steel coils?
- Some common methods of welding steel coils include gas metal arc welding (GMAW), also known as MIG welding, and submerged arc welding (SAW). These methods offer efficient and reliable ways to join steel coils together, ensuring strong and durable welds.
- Q:How are steel coils inspected for coil weight accuracy?
- Steel coils are inspected for coil weight accuracy through the use of weighing scales or load cells. These devices are placed beneath the coil during the inspection process to accurately measure its weight.
- Q:I'm currently in an Estimating and Bidding class. I have to estimate two divisions for a multi-million dollar project. The project that I chose is around 6 million dollars and involves constructing a new gas/lighting building. I chose to estimate steel, and my question is, around how much out of the 6 million goes toward just the steel estimate? If it helps, this building is has two floors and is roughly about 100x70 feet. The building not wood construction, but rather steel and brick. How much of that 6 million would go into the steel? I'm not looking for anything exact, just roughly.
- That is a little tough to answer given the details. I will try to answer it as best I can. You can send me a message if you need further help and I can get some more details from you. If it is a 6 million dollar project, that is about $428/sf - (6 million divided by 14,000 sf). $428 is a little bit higher end then say, just a Walmart which is a block and steel box. Assuming you have a concrete slab on the first floor, metal deck on the second floor, with steel beams and open web joists framing, steel columns and steel roof framing with a metal deck roof.... you could be approx 10-15% of the total 6 million. Now, this would include the structural steel, not light gauge steel framing for walls. It sounds like you are looking for structural steel, not metal stud framing. Hopefully this helps, I can check back to this thread later to see if you've had to add any more details.
- Q:I have samurai sword that is a replica of the kill bill sword. It says on the blade stainless steel, what can i use to shine and protect blade. It had and still does a wax.like coating on the blade sine i received it. Thx for ur help
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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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