Prepainted Rolled Steel Coil For construction Roofing Constrution
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
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Structure of Prepainted Rolled steel Coil for Construction Roofing
Description of Prepainted Rolled steel Coil for Construction Roofing
Prepainted Rolled steel Coil 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 Rolled steel Coil for Construction Roofing
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 Rolled steel Coil for Construction Roofing
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.
Specifications of Rolled steel Coil for Construction Roofing
Product | Prepainted Rolled steel Coil for Construction Roofing |
Material Grade | SGCC / SGCH / DX51D+AZ, etc |
Thickness | 0.2-3.0mm |
Width | 600-1500mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | AZ40-150g/m2 |
Technique | Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume |
Surface | Dried, Chromated, Unoiled |
Spangle | Regular spangle , small spangle, zero spangle |
ID | 508MM |
Coil weight | 10MT max |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Prepainted Rolled steel Coil for Construction Roofing
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 been searching on pots and pans, how can I find out if it's really stainless steel, someone told me if a magnet sticks to it it's real stainless steel is this true?
- if a magnet sticks to it that means it's a cheaper metal coated with stainless steel. if it's an appliance you're buying, look on the reciept. real stainless steel will actually say it. the coated stuff will just say stainless leaving out the steel.
- Q: Can steel coils be coated with anti-fingerprint materials?
- Yes, steel coils can be coated with anti-fingerprint materials. These materials are designed to reduce the visibility of fingerprints and smudges on the surface of the steel, providing a cleaner and more aesthetically pleasing appearance.
- Q: I've seen on TV that stainless steel laminate sheets can be purchased and and used to cover appliances to give it a faux stainless steel look. They mentioned it was important to not have any bubbles (of course) and to work slowly. It's easy to do on a dishwasher, but what about the fridge? The handles are in the way? Do you have to take the handles off? Can anyone find a tutorial for me?
- There okorder appliance paint 2. What you are referring to really is not laminate steel sheets, it's actually more along the lines of shelf liner paper looks like steel with sticky back film that you peel and stick. Place against product and begin to peel down slowly using squeegee or credit card to smooth out bubbles.Sheets can be purchased rangingin size on OKorder for $9.99 + dependent on size. Called stainless steel appliance film can buy a roll for $60.00 on OKorder (normally sells for $100.00) one roll will cover 3 average sized kitchen appliances. Hope this helps!
- Q: What are the different types of surface treatments for steel coils?
- There are several different types of surface treatments available for steel coils, each designed to enhance the appearance, protect against corrosion, and improve the overall durability of the steel. Some of the commonly used surface treatments for steel coils include: 1. Hot-dip galvanizing: This process involves immersing the steel coils in a bath of molten zinc, which forms a protective layer on the surface. Hot-dip galvanizing provides excellent corrosion resistance and can withstand harsh environments. 2. Electro-galvanizing: In this method, a thin layer of zinc is electroplated onto the surface of the steel coils. Electro-galvanizing offers good corrosion resistance and improves the aesthetics of the steel. 3. Organic coating: Steel coils can be coated with organic materials such as paints, lacquers, or polymer films. These coatings provide protection against corrosion, abrasion, and UV radiation, while also offering a wide range of color options. 4. Phosphating: Phosphating is a chemical treatment that converts the steel surface into a layer of phosphate crystals. This treatment enhances the adhesion of subsequent coatings and improves the corrosion resistance of the steel. 5. Chromating: Also known as passivation, chromating involves the application of a chromate conversion coating onto the steel surface. This treatment enhances the corrosion resistance and provides a decorative finish. 6. Oiling: Oiling is a simple surface treatment that involves applying a thin layer of oil onto the steel coils. This treatment helps prevent corrosion during storage and transportation and can be easily removed before further processing. 7. Pickling: Pickling is a process where the steel coils are immersed in an acid solution to remove impurities and scale from the surface. This treatment improves the surface finish and prepares the steel for subsequent processing or coatings. 8. Tin plating: Steel coils can be coated with a layer of tin through electroplating. Tin plating provides excellent corrosion resistance, solderability, and aesthetic appeal. These are just a few of the many surface treatments available for steel coils. The choice of treatment depends on the specific requirements of the application, including the desired appearance, corrosion resistance, and environmental conditions the steel will be exposed to.
- Q: What are the dimensions of steel coils used in the power generation industry?
- The specific application and requirements determine the varying dimensions of steel coils used in the power generation industry. Generally, there is a wide range of sizes and thicknesses available for power generation steel coils. For power generation purposes, the width of steel coils can range from a few inches to several feet, depending on the intended equipment or machinery. These coils are specifically designed to fit manufacturing processes or components within power generation systems. The thickness of steel coils used in power generation can vary greatly. Thicker coils are commonly used for heavy-duty applications that require increased strength and durability. On the other hand, thinner coils may be suitable for less demanding tasks or when reducing weight is a priority. Furthermore, the weight of steel coils for power generation can vary based on their dimensions and the specific steel material used. Consideration of weight is crucial during transportation, installation, and handling of the coils. It is worth noting that manufacturers in the power generation industry can customize the dimensions of steel coils to meet specific project requirements. They work closely with power generation companies to understand their needs and offer tailored solutions that meet their dimensional specifications.
- Q: Why buy recycled steel and from where to buy?
- Where you buy all your steel. The recycled and new steel are indistinguishable from each other. You won't recognize the one from the other. Same thing with glass. A certain percentage must be used glass, to enhance the quality of the total batch. Peace.
- Q: How are steel coils stored to prevent damage?
- In order to prevent damage and maintain their integrity, steel coils are stored in a manner that is designed to minimize risks. One common approach involves horizontally stacking the coils, which helps evenly distribute the weight and reduces the likelihood of deformation or damage. Additionally, each layer of coils is often separated by wooden or steel dunnage to provide support and prevent shifting during storage or transportation. To protect the coils from harm, they are frequently stored indoors or in covered areas to shield them from exposure to the elements. This precaution serves to prevent rusting or corrosion, which could compromise the steel's quality. In situations where outdoor storage is necessary, weather-resistant tarps or protective coatings may be used to minimize the potential impact of rain, snow, or sunlight. Moreover, it is essential to consider the height at which the coils are stacked in order to avoid applying excessive pressure on the lower coils. To prevent damage, coils are typically stacked in a manner that ensures the weight from the upper layers is evenly distributed across the lower ones. This may involve the utilization of specialized stacking equipment or racks that are specifically designed to handle the weight and dimensions of the coils. In summary, the proper storage of steel coils entails careful attention to weight distribution, protection from the elements, and minimizing contact between coils to prevent damage and preserve their quality.
- Q: What are the common surface treatments for galvanized steel coils?
- Some common surface treatments for galvanized steel coils include passivation, chromate conversion coating, and painting. Passivation helps to enhance the corrosion resistance of the galvanized coating, while chromate conversion coating provides additional protection and improves adhesion for subsequent paint coatings. Painting can be done to enhance aesthetics or to provide additional corrosion protection, depending on the specific requirements of the application.
- Q: which cost more: ALLOY, GUNMENTAL OR STAINLESS STEEL. GIVE ME AN IDEA OF THE COST OF EACH.
- Alloy okorder /
- Q: What is the current value of steel? Is it expected to increase in value?
- The steel in steel cents is the same as the steel in soup cans you throw out all the time. There is no sense in holding steel cents for their value as scrap. There are way too many steel cents around for them to ever have much numismatic value.
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Prepainted Rolled Steel Coil For construction Roofing Constrution
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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