Prepainted Rolled Steel Coil for construction Roofing
- 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 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: What is the difference between black steel pipes and galvanized steel pipes when used for water or gas, and why?
- This Site Might Help You. RE: What are black steel pipes made of ? What is the difference between black steel pipes and galvanized steel pipes when used for water or gas, and why?
- Q: How are steel coils inspected for impact resistance using impact testers?
- Steel coils are inspected for impact resistance using impact testers, which are specially designed machines used to assess the ability of the steel coils to withstand impacts. The process involves subjecting the steel coils to controlled impacts and measuring the extent of deformation or damage caused by the impact. Firstly, the steel coils are securely placed on the impact tester, ensuring that they are in the correct position and orientation. The impact tester is equipped with a striking element, such as a pendulum or a falling weight, which is designed to deliver a specific amount of force upon impact. The striking element is carefully aligned with the steel coil to ensure accurate and consistent testing. Once everything is set up, the impact tester is activated, and the striking element is released to impact the steel coil. The force of the impact is carefully controlled and measured to ensure consistency across multiple tests. The impact tester records various parameters during the impact, including the force applied and the duration of the impact. After the impact, the steel coil is carefully examined for any visible deformation or damage. This can include checking for dents, cracks, or any other signs of structural compromise. The extent of the deformation or damage is recorded and compared to predetermined acceptance criteria to determine whether the steel coil passes or fails the impact resistance test. Impact testers can be equipped with various sensors and cameras to capture additional data during the testing process. High-speed cameras can be used to record the impact in slow motion, allowing for a detailed analysis of the coil's behavior during the impact. Strain gauges can be attached to the steel coil to measure the strain and stress experienced during the impact. Overall, the use of impact testers provides a reliable and standardized method for inspecting the impact resistance of steel coils. By subjecting the coils to controlled impacts and carefully measuring the extent of deformation or damage, manufacturers can ensure that their steel coils meet the required impact resistance standards for various applications.
- Q: My neighbor who has an older model mustang installed a steel clutch in it and has blown 4 transmissions as a result.Can any mechanic explain why a steel clutch would kill transmissions? What other modifications would the car need in order to prevent this?
- i own a repair shop,and i can tell you ,part of his problem is probably the installation part of it,and secondly what he,s using is made for racing,not street driving that's probably the second part of it,i have built a few of those transmissions,and they usually don't wipe the transmission out when they go,id say a lot of his,is in the work ,or who did it there's no way to prevent this,other than to build the transmission,and use it for what it was intended to be used for,good luck,i hope this help,s.
- Q: How are steel coils processed for different finishes?
- Various methods can be utilized to achieve different finishes on steel coils. One of the most commonly used is known as coil coating. This process involves several steps, including cleaning, priming, coating, and curing the steel coil to obtain the desired finish. To begin, any contaminants on the surface of the coil are removed, followed by the application of a primer to improve adhesion. Finally, a specific paint or coating material is applied to the coil. The coated coil is then subjected to high temperatures to ensure proper adhesion and durability. Another method for processing steel coils is galvanization. This technique involves coating the steel coil with a layer of zinc to protect it from corrosion. Galvanization can be achieved through hot-dip galvanization, where the coil is immersed in molten zinc, or electro-galvanization, where a thin layer of zinc is electroplated onto the coil. The resulting galvanized finish offers exceptional corrosion resistance and can be further processed for various aesthetic finishes. Furthermore, different surface treatments can be employed to achieve desired finishes on steel coils. These treatments may include pickling, which utilizes an acid solution to eliminate scale and impurities from the coil, or mechanical treatments like brushing or grinding to create a specific texture. Following these surface treatments, a protective coating or paint can be applied to enhance the appearance and durability of the coil. In conclusion, achieving various finishes on steel coils necessitates a combination of cleaning, coating, curing, and surface treatments. The selection of specific methods depends on the desired finish and the intended application of the steel coil.
- Q: How are steel coils used in the production of household goods?
- Steel coils are used in the production of household goods as they are a primary material for manufacturing various products. They are commonly used in appliances, such as refrigerators, stoves, and washing machines, as well as in furniture, shelving units, and even construction materials. The steel coils are typically shaped, cut, and formed into specific components or structures required for these household goods, ensuring durability and strength in the final products.
- Q: I found the cold steel kukri machete online and I am very impressed and am thinking of ordering it. A friend of mine said that the cold steel kukri machete is nothing compared to the KaBar Kukri Machete. I was wondering if other people who own these machetes could tell me the good and the bad of each machete. Such as what they have been able to cut. If they break easily and such. Thanks in advance.
- cold steel will be thin but made of a carbon steel good enough but not perfect flexable and as for cutting power that varies piece to piece as not all places sell sharpened models so be prepared to hand sharpen in any case you would need to hand sharpen sooner or later so a sharpening stone is a good investment no matter what machete you buycold steel is fine for most peoples need for them unless you see a better price go with either one
- Q: What is the lifespan of a steel coil?
- The lifespan of a steel coil can vary depending on various factors such as the quality of the steel, its usage and maintenance. However, on average, a well-maintained steel coil can last anywhere from 10 to 30 years.
- Q: How are steel coils used in the manufacturing of crash structures?
- Steel coils are used in the manufacturing of crash structures as they provide high tensile strength and durability, making them ideal for absorbing and distributing impact forces during a crash. These coils can be shaped and formed into various components such as beams, brackets, and panels, which are then integrated into the vehicle's frame or body structure to enhance its crashworthiness and protect occupants in the event of a collision.
- Q: How are steel coils coated to prevent rust and corrosion?
- Steel coils are coated to prevent rust and corrosion through a process called galvanization. This involves immersing the coils in a bath of molten zinc, which forms a protective layer on the steel surface. This zinc coating acts as a barrier, preventing oxygen and moisture from reaching the steel and causing rust. Additionally, the zinc coating provides sacrificial protection, meaning that even if the steel is exposed due to scratches or abrasions, the zinc will corrode before the steel, further enhancing its longevity and resistance to rust and corrosion.
- Q: Are Steel buildings Fire Resistant, just want to know as I am going to owe it . Suggestions required…………..
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Prepainted Rolled Steel Coil for construction Roofing
- 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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