Pre-painted rolled Steel Coil for Construction Roofing constrution
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 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 used in the manufacturing of agricultural sprayers?
- Steel coils are used in the manufacturing of agricultural sprayers primarily for constructing the frames, supports, and structural components of the sprayers. The high strength and durability of steel make it suitable for withstanding the harsh conditions and heavy loads associated with agricultural operations.
- Q: how is stainless steel made? what are the things used in making it?
- There are 3 basic stainless steels. The Martinsitic, the ferritic, and the Austinistic. The spelling may be wrong on all of them. (Got out of school in 1966 with my metallurgy in 1965. The Ferritic is magnetic and has some resistance to corrosion but the Martinsitic is much more resistant to corrosion. The Austinitic stainless is very resistant to corrosion. The differences are the amount of Chrome and Nickel in the batches. The Austinitic has an 18/8 ratio of Chromium and Nickel with the rest Iron and minor ingredients. The carbon content is very important and these steels are often made in small batches with close monitoring of composition and carbon content. Scrap metals are frequently used with the chrome and nickel being added as carefully selected scrap or even fresh crude stocks. Electric melting is frequent to avoid contamination.
- Q: What is the role of steel coils in the supply chain?
- The supply chain heavily relies on steel coils, especially in the manufacturing and construction sectors. These coils, typically made from hot-rolled steel, are essential raw materials for a wide range of products like automobiles, appliances, construction materials, and industrial goods. The journey of steel coils in the supply chain begins with the production of raw steel, which is then processed and shaped into coils at steel mills. These coils are then transported to different manufacturing facilities where they are transformed into finished products. Throughout this process, steel coils act as an intermediary product that is easy to transport, stack, and manipulate according to various manufacturing requirements. One major advantage of using steel coils in the supply chain is their strength and durability. Steel possesses high tensile strength, enabling it to withstand substantial loads and pressures. This makes steel coils perfect for applications that require sturdy materials like structural components in buildings, heavy machinery, and vehicles. Furthermore, steel coils offer high customization, allowing manufacturers to tailor their dimensions and specifications to meet specific needs. This flexibility ensures the efficient delivery of steel coils that align with the requirements of diverse industries and projects. In terms of logistics, steel coils are typically transported in large quantities using specialized equipment such as flatbed trucks, railcars, or even ships. Effective logistics planning is crucial to ensure timely delivery and minimize transportation costs. Additionally, proper storage and handling are vital to prevent damage to the coils during transit and storage. Overall, steel coils play a vital role in the supply chain as versatile raw materials that can be shaped and transformed into various end products. Their strength, durability, and flexibility make them an essential component in industries that rely on high-quality steel, ultimately contributing to the overall economic growth and development of numerous sectors.
- Q: How are steel coils used in the production of electrical relays?
- Steel coils are used in the production of electrical relays as the electromagnetic core. When an electric current passes through the coil, it generates a magnetic field that attracts or repels the relay's contacts, allowing the relay to switch on or off and control the flow of electricity in various applications.
- Q: What are the common methods of slitting steel coils?
- There exists a variety of methods for slitting steel coils, each possessing their own distinct advantages and applications. 1. Rotary Shear Slitting: This technique utilizes rotary cutting knives to separate the steel coil. The coil is passed through the rotary shear machine, and the knives make simultaneous cuts along the coil's length. Rotary shear slitting is renowned for its high-speed operation and ability to handle thicker gauge materials. 2. Loop Slitting: Loop slitting involves introducing the steel coil into a looping pit, creating a loop of material. The loop is then pulled through a set of knives that make the cuts. This particular approach is commonly employed for thin gauge materials, providing precise cuts with minimal burr. 3. Drag Slitting: In drag slitting, the steel coil is fed through a series of driven rolls or drag pads, which maintain tension on the material. The coil is then guided through circular knives that perform the slits. Drag slitting is suitable for various steel gauges and offers good accuracy and edge quality. 4. Crush Slitting: Crush slitting entails passing the steel coil through a set of rolls, with one roll being rubber-covered and the other being hard. The rubber roll compresses the material against the hard roll, resulting in the slits. This method is commonly utilized for thin gauge or delicate materials, as it minimizes the risk of edge damage. 5. Laser Slitting: Laser slitting employs a high-powered laser beam to make precise cuts on the steel coil. This method is highly accurate and enables complex slitting patterns and narrow width cuts. Laser slitting is frequently utilized for high-end applications that demand superior edge quality. Each of these methods possesses unique advantages and is selected based on factors such as material thickness, desired edge quality, production speed, and cost considerations. It is crucial to meticulously select the appropriate slitting method to ensure the desired outcome and efficiency in steel coil processing.
- Q: How are steel coils used in the production of electrical devices?
- Steel coils are an essential component in the production of electrical devices. These coils are typically made from high-quality steel that is precisely wound into a circular shape. They play a crucial role in the functioning of various electrical devices, such as transformers, motors, generators, and inductors. One primary use of steel coils is in transformers. Transformers are vital for stepping up or stepping down voltage levels in electrical circuits. They consist of two separate coils, known as the primary and secondary coils, which are wound around a magnetic core. The steel coil provides stability and support to the windings, ensuring proper alignment and preventing any deformation. Additionally, the high magnetic permeability of steel helps to enhance the efficiency of energy transfer between the coils. In motors and generators, steel coils are employed to create magnetic fields that generate mechanical energy or convert it into electrical energy. The coils are wound around an armature or rotor, which rotates within a magnetic field created by a stator. As the current flows through the coils, a magnetic field is produced, resulting in the rotation of the armature or the generation of electrical power. Inductors, another type of electrical device, also utilize steel coils. An inductor is essentially a coil of wire wound around a core material, often made of steel. Steel coils in inductors help to increase the inductance, which is a measure of the device's ability to store energy in a magnetic field. By storing energy in this manner, inductors can regulate currents, filter out noise, and provide stability to electrical circuits. Overall, steel coils play a vital role in the production of electrical devices by providing stability, support, and enhancing the magnetic properties necessary for their efficient functioning. Without steel coils, the performance and reliability of electrical devices, such as transformers, motors, generators, and inductors, would be significantly compromised.
- Q: I Don't have a Oxy act. torch but can Get a Propane one. The finished part(s) are .375 x .550 x .185
- An oxy would really be preferable, but a propane may do, I'm not sure you'll get an adequate temperature. They only way is to place the parts upon a clay brick or something simmilar, this will help the steel to hold it's heat, heat until cherry red. It must be vissibly red throughout the whole part at the same time and dumped immediately into cold water. If it's not completely cherry red, proper hardening will not occur and weak spots will be present. good luck
- Q: I have a 03 jeep wrangler and looking to upgrade to black wheels. I was wondering if the difference between steel and alloy wheels is worth paying double.
- steel is steel is steel- they will always be heavy you would have to weigh them to find out--NOW if you are going to alloy wheels they are typically aluminum and yes they are lighter -this is good because it lightens your un-sprung weight and is less harmful to your suspension-good for your auto
- Q: How are steel coils used in the manufacturing of seat belts?
- Steel coils are used in the manufacturing of seat belts as they provide the necessary strength and durability to withstand the forces involved in a potential accident. These coils are typically used to reinforce the webbing of the seat belt, ensuring it can effectively restrain passengers in the event of a collision.
- Q: How do steel coils contribute to earthquake resistance in structures?
- Steel coils contribute to earthquake resistance in structures by providing strength and flexibility. When used as reinforcement in concrete structures, steel coils help to distribute and dissipate the energy generated during an earthquake. This helps to prevent the excessive deformation or collapse of the structure, enhancing its overall seismic performance. Steel coils also improve the ductility of the structure, allowing it to withstand the dynamic forces and vibrations caused by seismic activity.
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Pre-painted rolled Steel Coil for Construction Roofing constrution
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 m.t./month
OKorder Service Pledge
OKorder Financial Service
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