Prepainted Rolled steel Coil for Construction roofing use
- 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
You Might Also Like
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 do steel coils contribute to strength and durability in manufacturing?
- Steel coils contribute to strength and durability in manufacturing primarily due to their composition and structural properties. The tightly wound coils are made from high-quality steel, which offers excellent strength, rigidity, and resilience. This enables manufacturers to produce sturdy and long-lasting products, as the steel coils provide a solid foundation and structural integrity to various applications. Additionally, steel coils are often used in the construction of infrastructure, machinery, and automotive industries, where their durability and resistance to wear and tear play a vital role in ensuring the longevity and reliability of the final product.
- Q:How are steel coils used in the manufacturing of railroads?
- Steel coils are used in the manufacturing of railroads to produce rails, which form the tracks that trains run on. These coils are rolled into long, straight sections and then shaped into the required rail profile. The rails are then cut to the desired length and undergo various processes, such as heat treatment and finishing, to enhance their strength and durability. Overall, steel coils are a crucial raw material in the creation of reliable and robust railroad infrastructure.
- Q:How are steel coils used in the production of steel containers?
- Steel containers rely heavily on steel coils as a vital component in their production. These coils, made from flat-rolled steel, serve as the foundation for the container's main body. To start the process, the steel coils are unwound and fed into a rolling mill. Here, they undergo a sequence of procedures to shape and mold the steel. One of these steps involves heating the coils to a specific temperature, making them more malleable and easier to manipulate. Subsequently, the hot coils pass through a series of rollers that gradually reduce their thickness and elongate them to the desired size. This entire procedure is referred to as hot rolling. Once the steel coils have been rolled to the necessary thickness, they are then cooled and transformed into sheets. These sheets are further treated to eliminate any imperfections or irregularities, guaranteeing a smooth and even surface. This is accomplished through processes like pickling, where acid is used to remove any scale or rust, and cold rolling, where the sheets are passed through rollers at room temperature to achieve the desired thickness and surface finish. After the sheets have been cleaned and refined, they are molded into the shape of the container. This typically involves a technique known as stamping, in which hydraulic presses are used to press the steel sheets into a mold. The mold determines the container's shape and size, and the steel sheets are pressed against it with great force, resulting in the desired container shape. Once the containers have been formed, they undergo several finishing processes, including welding, painting, and coating. These processes are carried out to enhance the containers' durability, appearance, and resistance to corrosion. These final touches ensure that the steel containers meet the necessary standards and are of high quality for their intended use. In conclusion, steel coils are of paramount importance in the manufacturing of steel containers, as they provide the raw material needed for their production. Through a series of steps, the steel coils are shaped, cut, and formed into sheets, which are then further processed and molded into the desired container shape. The outcome is a robust and dependable steel container suitable for various applications across industries.
- Q:an 18k steel and gold, screw style bracelet how much would it be worth?
- Steel does not come in an 18k version and is worth only about $1.50/pound. 18k gold (.750 or 75% pure) is currently worth about $40.20/gram, based on the spot price of gold of $1,667/ounce at this moment.
- Q:How are steel coils used in the manufacturing of industrial compressors?
- Steel coils are used in the manufacturing of industrial compressors primarily for the construction of the compressor's casing and frame. The steel coils are shaped, cut, and welded to create the sturdy and durable structure that houses the compressor components. Additionally, the steel coils may also be used in the fabrication of other parts such as motor mounts or brackets, contributing to the overall reliability and stability of the compressor.
- Q:How are steel coils used in the manufacturing of elevator components?
- Steel coils are used in the manufacturing of elevator components as they provide the necessary strength and durability required for various parts such as brackets, frames, and shafts. The coils are shaped, cut, and welded to create the desired elevator components, ensuring a sturdy and reliable structure that can withstand heavy loads and constant usage.
- Q:What are the common processing defects in steel coils?
- Steel manufacturers must identify and rectify the following processing defects commonly found in steel coils: 1. Coil breaks: These occur when the steel strip breaks during the process of winding the coil. Improper tension control or material defects can cause these breaks. 2. Slivers: Thin, elongated steel pieces get trapped in the coil during the rolling process. Foreign materials, scale, or defects in the rolling mill can cause slivers. 3. Edge cracks: Cracks appearing along the edges of the coil are known as edge cracks. Improper edge trimming, material defects, or excessive rolling forces can cause these cracks. 4. Surface defects: Scratches, pits, or scars on the steel coil constitute surface defects. Handling issues, improper cleaning, or rolling mill defects can cause such defects. 5. Coil set: Coil set refers to the coil's tendency to retain a curvature even after it has been uncoiled. This can occur due to uneven cooling during the rolling process or improper tension control. 6. Oil spots: Stains or discolorations on the steel coil caused by residual oil or lubricants are known as oil spots. Inadequate cleaning or incorrect lubricant application can lead to oil spots. 7. Wavy edges: Irregularities or waves along the edges of the steel coil are referred to as wavy edges. Uneven rolling forces or improper edge trimming can cause these irregularities. 8. Lamination: Lamination defects occur when layers or sheets of steel are not properly bonded together. Material defects or improper rolling conditions can cause lamination defects. 9. Burr: A raised edge or roughness along the edge of the steel coil is called a burr. Improper trimming or cutting processes can cause burrs. 10. Non-uniform thickness: Non-uniform thickness refers to variations in the thickness of the steel coil. Uneven rolling forces, improper cooling, or material defects can cause non-uniform thickness. Identifying and addressing these processing defects is crucial for steel manufacturers to ensure the quality and reliability of their steel coils.
- Q:What are the common coil coating methods?
- The common coil coating methods include roll coating, curtain coating, and spray coating.
- Q:I want to make a stock removal knife, but I am really confused about what steel to use. I am just a beginner but I read o1 steel is great? Also I am kind of on a budget.
- O-1 is an excellent steel. If you've never made a knife before find an old file and use it. My first knives weren't that good, it took a little practice to get the geometry right so be prepared to burn some steel. The advantage of a file is it is already hardened, unless you have a torch or forge that will be near imposable for you to do. The most important thing in knife making is the heat treating. The best steel wont perform like it's supposed to. If you decide to use a file grind your blade out, keep the steel cool; do not let it get any color in it (brown, blue, purple) as this destroys the temper. When your finished put the blade in the oven at 400 deg for an hour. It should have a good hardness for a knife then. As for me, I use old car springs(5160), saw blades(L-6) for many of my blades, Good luck.
- Q:What are the different methods of edge camber correction for steel coils?
- There are several methods for edge camber correction in steel coils, including mechanical methods, thermal methods, and combination methods. Mechanical methods involve using tension leveling or roller leveling processes to straighten the edges of the coil. Thermal methods involve using heat to soften the steel and then applying pressure to straighten the edges. Combination methods involve using a combination of mechanical and thermal processes to correct the edge camber of the steel coils.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
Prepainted Rolled steel Coil for Construction roofing use
- 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
Similar products
New products
Hot products
Hot Searches
Related keywords
