Prepainted Rolled steel Coil for Construction Roofing
- 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: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:...particularly for jewelry?
- Surgical steel can be stainless these days, but it used to refer to a particular hardness of steel that was so tempered that it could be made to hold a very sharp edge for a prolonged period of time.
- Q:What are the different coil packaging methods used for steel coils?
- There are several different coil packaging methods used for steel coils. These include wrapping the coils with stretch film or shrink wrap, using steel or wooden strapping to secure the coils, placing the coils inside wooden crates or metal frames, or using specialized coil packaging machines that can automatically wrap and secure the coils. Each method has its advantages and is chosen based on factors such as the size and weight of the coils, transportation requirements, and protection needed during storage or shipping.
- Q:Why can't you use a lead shot only choke with steel shot or a steel shot only choke with lead shot? I have used a lead only choke with steel shot and my shotgun shot fine and there was no damage to the choke.
- You should not have done this. It not a matter of shooting fine - it's a question of getting the correct distance and shot pattern SAFELY. Lead only chokes squeeze the lead shot a considerable bit. Lead is compressive and soft - it takes more squeeze to get the correct patterns from a shotgun. Steel only chokes do not squeeze as much as the lead version because the steel is very had and does not compress well. When you accidentally shoot lead through a steel chock the pattern will be weird. But, it usually is not an unsafe condition. However, steel through a lead choke will cause unsafe pressure at the choke and can explode. You end up with a bugs bunny/road runner cartoon looking shotgun! Most gun shops all over the USA are decorated with these blown up shotguns from people doing exactly what you did. Unless you want to add yours to the other dead gun collection in some shop - I recommend you take your shotgun and all your chokes into a gun smith and have him look it all over. See if anything is out of tolerance. Guns are not fool proof. If you do not follow the instructions and operate them safely they will blow up and tear a piece of your body off. Just ask any ER doctor or long time shooter.
- Q:How are steel coils used in the manufacturing of construction scaffolding?
- Steel coils are used in the manufacturing of construction scaffolding as they are processed and formed into various structural components such as tubes, pipes, and frames. These coils are often cut, bent, and welded to create sturdy and durable scaffolding structures that can support the weight of workers and materials during construction projects.
- Q:How are steel coils processed at the steel service centers?
- Steel coils are processed at steel service centers through a series of steps. First, the coils are unrolled and flattened using a decoiler and a leveling machine. Then, the steel is cut into the desired length and width using shears or slitting machines. Next, the coils may undergo various treatments such as pickling, galvanizing, or coating to enhance their corrosion resistance or appearance. Finally, the processed coils are inspected, packaged, and prepared for shipment to various industries for further manufacturing or construction purposes.
- Q:How are steel coils used in the production of electrical systems?
- Steel coils are used in the production of electrical systems as they serve as the core component of transformers and inductors. They provide a magnetic field necessary for the efficient functioning and transformation of electrical energy.
- Q:How are steel coils measured for thickness?
- Steel coils are measured for thickness using a variety of methods. One common method is using a micrometer, which is a precision measuring instrument that accurately determines the thickness of the coil. The micrometer is gently pressed against the surface of the coil and the measurement is taken. Another method involves using a thickness gauge, which is a handheld device that can quickly and accurately measure the thickness of the steel coil. The gauge is placed on the coil's surface and the thickness is displayed on a digital screen. In some cases, ultrasonic thickness testing is used to measure the thickness of steel coils. This method involves using ultrasonic waves that are emitted from a handheld device. The waves travel through the coil and bounce back to the device, providing an accurate measurement of the thickness. Regardless of the method used, it is important to ensure that the measurements are taken at multiple points across the coil to account for any variations in thickness. This ensures that accurate and reliable measurements are obtained.
- Q:How are steel coils used in the production of automotive chassis?
- Steel coils are used in the production of automotive chassis as they provide the primary material for constructing the framework of the vehicle. These coils are first processed and shaped into the desired form, such as beams or plates, which are then welded together to form the chassis. The high strength and durability of steel make it an ideal choice for withstanding the stresses and loads experienced by the chassis, ensuring the safety and structural integrity of the vehicle.
- Q:Having a greater amount than 2% carbon in steel causes steel to suddenly become brittle. Why is this?
- Carbon fiber has better tensile capability then steel meaning its better while pulled aside. Plus you could mould the fiber to make autos-or homes-out of carbon fiber.
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Prepainted Rolled steel Coil for Construction Roofing
- 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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