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: I felt that my nylon strings don't sound as good as steel ones. Is it okay that I replace them with steel ones, even if my guitar is classical? Thanks.
- No, you will damage the guitar,it was not create to stand the force on the neck that steel strings will put on it.
- Q: What are the different types of steel surface treatments for coils?
- There are several types of steel surface treatments for coils, including galvanizing, electroplating, powder coating, and painting.
- Q: How are steel coils used in the manufacturing of automotive wheels?
- Steel coils are used in the manufacturing of automotive wheels as a primary material for the wheel rims. The steel coils are shaped, cut, and welded to create the desired size and design of the wheel rim. They provide high strength and durability, ensuring the wheels can withstand the weight of the vehicle and the impact of road conditions.
- Q: What are the common surface defects found in steel coils?
- Steel coils can have several surface defects commonly found. One prevalent defect is rust or corrosion, which happens when moisture contacts the steel surface and causes oxidation and rust formation. Another defect is scratches or abrasions, occurring during coil handling or transportation. These can vary from small surface scratches to deeper gouges that affect the steel's structural integrity. Surface roughness or unevenness is also possible due to improper rolling or cooling processes during manufacturing, resulting in inconsistent surface texture that affects appearance and performance. Scale is another defect, forming an oxide layer during manufacturing, giving the steel a rough and uneven look. Finally, oil or grease stains may occur during manufacturing or handling, impacting paint or coating adhesion. These common surface defects impact steel quality, appearance, and performance, often requiring cleaning, grinding, or recoating as remedial actions.
- Q: How do steel coils contribute to the agricultural sector?
- The agricultural sector benefits greatly from the use of steel coils in various ways. To begin with, these coils are instrumental in the production of agricultural machinery and equipment such as tractors, harvesters, and irrigation systems. These machines are indispensable for carrying out farming operations efficiently, thereby helping farmers increase productivity and cut down on labor costs. The robustness and durability of steel coils ensure the machinery's ability to endure the harsh conditions of the agricultural environment. Furthermore, steel coils find application in the construction of storage facilities and warehouses for agricultural products. To safeguard crops from damage, these structures must be strong and resistant to external elements. Steel coils provide the required strength and stability for the construction of such storage facilities, thereby ensuring the secure storage of agricultural produce. In addition, steel coils are employed in the fabrication of fencing and other agricultural infrastructure. Fencing is of utmost importance in protecting crops from animals and trespassing. Steel coils serve as a robust material for fencing, guaranteeing the security and protection of agricultural lands. Moreover, steel coils are utilized in the manufacture of irrigation pipes and systems. Efficient irrigation is crucial for the growth and yield of crops, particularly in areas with limited water resources. Steel coils are used to create pipes capable of withstanding high pressure and resistant to corrosion, thereby ensuring the effective distribution of water throughout agricultural fields. In conclusion, steel coils play a vital role in the agricultural sector, providing the necessary materials for manufacturing machinery, constructing storage facilities, fencing, and irrigation systems. The strength, durability, and resistance to harsh conditions make steel coils an essential component in enhancing agricultural productivity, protecting crops, and ensuring efficient farming practices.
- Q: I'm missing the arguement, and I've seen another question like this... but the steel toe issue has 2 scenario's right?... Let me label them out, the 2nd is the one that no one talks about?Note to anyone - how are your catapillar boots, your wolverines, and then your cheap walmart/sears brands?1. Steel toe on, toes get cut off because of something falling on them. OUCH!.. Reattach perhaps?2. This one is what I question. No steel toe, large object falls on toes. SMASH... Pudding in your shoes.Wouldn't it be safer to say you'de be better off with a steel toe?
- I wear Timberland Pro Series steel toe boots they are the best I have ever owned, I have tried Caterpiller Wal-Mart Brands both fell apart. One thing I do is when I get a pair of steel toe boots is have my wife run over the toe with her buick. The cat Wal-Mart Brands both bent cut the top of my foot, The timberland stayed intact I have been wearing them for over a year now, they have not fallen apart I have had a korklift run them over still holding great.
- Q: what is the chemical process that makes steel harder when it is heated and cooled rapidly?what does the heating of it do to the atoms?what does the cooling of it do to the atoms?what makes tempered steel so strong compared to untempered steel?
- You can't temper all steels. Generally the material must be a high-carbon or tool steel. Different alloys temper differently, and tempering is usually done to get a specific set of characteristics, so you must know what you are working with and use the right methods and temperature. If you do it wrong, the material may be hard but too brittle for the purpose or have other issues. It can be simple, such as heating to a dull red, carbonizing the surface (use an acetylene rich flame until it blackens the surface) and oil quenching. Do that to a piece of tool steel (like a screwdriver) and it will case (surface) harden it to the point you can't scratch it with a file. Tempering changes the way the molecular structure in the metal is linked and oriented.
- Q: How are steel coils used in the production of construction equipment?
- Steel coils are used in the production of construction equipment as they provide a reliable and cost-effective material for manufacturing various components. These coils are often processed and shaped into specific parts, such as frames, chassis, and heavy-duty structures, which make up the foundation and framework of construction equipment. The high strength and durability of steel coils ensure that the equipment can withstand heavy loads, extreme conditions, and repetitive use, making them essential in the construction industry.
- Q: What is the process for uncoiling and recoiling steel coils?
- The process for uncoiling and recoiling steel coils involves several steps to ensure the safe and efficient handling of the coils. 1. Unloading: The steel coils are typically transported to the desired location using cranes or forklifts. They are carefully unloaded from the transportation vehicle and placed in a designated area. 2. Inspection: Before uncoiling, it is crucial to inspect the steel coils for any damage or defects. This step ensures that only quality coils are processed further. 3. Securing: Once inspected, the steel coils are secured to prevent any movement during the uncoiling process. This is done by using clamps or straps to hold the coils firmly in place. 4. Uncoiling: Uncoiling involves the gradual unwinding of the steel coil. This can be done manually or using specialized machinery such as uncoilers or decoilers. The coil is typically fed through a series of rollers that help guide the unwinding process. 5. Straightening: In some cases, the steel coil may need to be straightened before further processing. This can be done using straightening machines that apply pressure to remove any bends or twists in the steel. 6. Cutting: If required, the uncoiled steel coil may be cut into smaller sections or sheets. This can be done using shearing machines or other cutting tools. The dimensions and size of the cuts depend on the specific requirements of the project. 7. Recoiling: Once the desired processing steps are completed, the steel coil can be recoiled. This involves rewinding the steel into a new coil shape. Recoiling can be done manually or using recoilers, which wind the steel evenly and tightly to maintain its integrity. 8. Packaging and storage: After recoiling, the steel coils are typically packaged and stored for further transportation or use. They may be wrapped in protective materials such as plastic or metal sheets to prevent corrosion or damage. Overall, the process for uncoiling and recoiling steel coils requires careful handling, inspection, and the use of specialized machinery. By following these steps, steel coils can be efficiently processed and prepared for various applications in industries such as construction, automotive, and manufacturing.
- Q: what is the difference between metal and steel
- well, steel is a type of metal. It's sort of like asking the difference between a bug and an ant, an ant is a bug, but not every bug is an ant. Likewise, steel is metal, but not all metal is steel. Gold is metal, Silver is metal, Iron is metal, Steel is metal.
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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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