• prepainted Rolled Steel Coil for construction Roofing Constrution System 1
  • prepainted Rolled Steel Coil for construction Roofing Constrution System 2
  • prepainted Rolled Steel Coil for construction Roofing Constrution System 3
  • prepainted Rolled Steel Coil for construction Roofing Constrution System 4
prepainted Rolled Steel Coil for construction Roofing Constrution

prepainted Rolled Steel Coil for construction Roofing Constrution

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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

 prepainted Rolled Steel Coil for construction Roofing Constrution

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. 

prepainted Rolled Steel Coil for construction Roofing Constrution

prepainted Rolled Steel Coil for construction Roofing Constrution

prepainted Rolled Steel Coil for construction Roofing Constrution

 

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.  

prepainted Rolled Steel Coil for construction Roofing Constrution

 

  prepainted Rolled Steel Coil for construction Roofing Constrution

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 are the common methods of joining steel coils together?
Common methods of joining steel coils together include welding, mechanical fastening (such as using bolts or screws), adhesive bonding, and interlocking methods.
Q:What are the different methods of transporting steel coils?
There are several methods of transporting steel coils, depending on factors such as the weight, size, and distance of the shipment. Some of the different methods include: 1. Flatbed trucks: Steel coils can be transported on flatbed trucks, which have a large open platform for easy loading and unloading. This method is commonly used for short to medium distance shipments and allows for easy access to the coils. 2. Rail transport: Steel coils can also be transported via rail. Specialized railcars called coil cars are used for this purpose, which have a curved interior to securely hold the coils in place. Rail transport is often used for long-distance shipments, as it is cost-effective and can handle large quantities of steel coils. 3. Shipping containers: Steel coils can be loaded into shipping containers for transportation via sea or inland waterways. The coils are usually secured inside the container using bracing or blocking materials to prevent movement during transit. This method is commonly used for international shipments and allows for easy handling and transfer between different modes of transportation. 4. Barges: In certain cases, steel coils can be transported on barges along rivers, canals, or other inland waterways. Barges are often used for large and heavy shipments, as they offer a cost-effective and efficient mode of transportation. 5. Roll-on/roll-off (RoRo) vessels: RoRo vessels are specialized ships designed to transport vehicles and large cargo that can be rolled on and off the ship. Steel coils can be loaded onto trailers or flatbeds and driven onto the vessel, making it a convenient method for transportation. 6. Air freight: While not as common due to cost considerations, steel coils can also be transported by air. This method is typically used for urgent and time-sensitive shipments, or when the distance is too great for other modes of transportation. Air freight offers the advantage of speed and can be a viable option for certain situations. Overall, the choice of transportation method for steel coils depends on various factors such as cost, distance, time frame, and logistical requirements. Freight forwarders and logistics providers can help determine the most suitable method for a specific shipment.
Q:What are the safety standards for steel coil manufacturing?
To ensure the well-being and protection of workers, as well as the quality and reliability of the products produced, the safety standards for steel coil manufacturing have been designed. These standards encompass various aspects of the manufacturing process and include both general safety guidelines and industry-specific requirements. One of the primary safety standards for steel coil manufacturing involves implementing proper safeguards for machinery and equipment. This entails ensuring that all machinery and equipment used in the manufacturing process are adequately maintained, regularly inspected, and equipped with safety features such as emergency stop buttons and safety guards. Workers must also receive sufficient training on the safe operation of these machines and be aware of potential hazards. Another crucial safety standard is the utilization of personal protective equipment (PPE). Workers engaged in steel coil manufacturing must be provided with appropriate PPE, including safety goggles, gloves, ear protection, and protective clothing, in order to safeguard them against potential hazards such as flying sparks, noise, and chemical exposure. Additionally, safety standards for steel coil manufacturing emphasize the proper handling and storage of materials. This includes guidelines on how to safely lift and transport heavy steel coils, as well as regulations for stacking and storing them to prevent accidents and injuries. Fire safety is also of utmost importance in the safety standards for steel coil manufacturing. Measures should be implemented to prevent and control fires, such as regular inspections of electrical systems, proper storage and handling of flammable materials, and the availability of fire extinguishers and emergency evacuation plans. Furthermore, safety standards necessitate regular safety training and awareness programs for all employees involved in steel coil manufacturing. This ensures that workers are well-informed about potential hazards, safety procedures, and emergency protocols. Regular safety audits and inspections are also conducted to evaluate compliance with these standards and identify areas for improvement. Overall, the safety standards for steel coil manufacturing strive to establish a safe working environment, minimize the risk of accidents and injuries, and ensure the production of high-quality steel coils. Compliance with these standards is crucial for preserving the well-being of workers, protecting the environment, and upholding the reputation of the manufacturing industry.
Q:What are the common coil processing equipment used in the industry?
Some common coil processing equipment used in the industry include coil slitters, coil flatteners, coil feeders, and coil recoilers. These machines are essential for processing metal coils into various shapes and sizes, allowing for efficient production and manufacturing processes.
Q:How are steel coils inspected for hardness?
Steel coils are inspected for hardness using various methods to ensure their quality and suitability for specific applications. One common method is the Rockwell hardness test, which involves pressing a diamond or ball indenter into the surface of the coil and measuring the depth of indentation. The hardness value is then determined based on the depth measurement. Another method used is the Brinell hardness test, which employs a hardened steel or tungsten carbide ball indenter to create an indentation on the coil's surface. The diameter of the indentation is measured, and the hardness value is calculated using a formula based on the applied load and the diameter of the indentation. Vickers hardness test, on the other hand, uses a pyramidal diamond indenter to create an indentation on the coil's surface. The indentation diagonal lengths are measured, and the hardness value is calculated using a formula based on the applied load and the diagonal lengths. Apart from these traditional methods, modern technology has introduced non-destructive testing techniques such as ultrasonic testing and eddy current testing. Ultrasonic testing involves transmitting ultrasonic waves through the coil and measuring the time taken for the waves to return. Changes in the wave pattern can indicate variations in hardness. Eddy current testing uses electromagnetic induction to detect changes in electrical conductivity, which can be correlated to hardness variations in the steel coil. Overall, steel coils undergo rigorous inspection processes using a combination of traditional and advanced techniques to ensure their hardness meets the required specifications. These inspections play a crucial role in maintaining the quality and reliability of steel products in various industries.
Q:I need to identify a metal. It is rusty so I suspect it is either iron or steel. Since they both have similar densities and are magnetic, how do I tell the difference betweeen steel and iron?
Steel is a refined, alloyed metal that is mostly iron. Iron, in a chemistry sense os simply Fe. In an industrial sense iron is pig iron commonly saturated with carbon, up to 4.5% and has other impurities like sulfur. Pig iron is brittle and should break rather easily, and bend very little. After a piece is broken look at the crystal structure, you should see rather small crystals. Most steel made for car body's, washing machines, file cabinets, low grade bolts and nuts etc. should flex and bend before breaking. Most steel made for things like cutting tools, axles, etc, is hardened and will chip and break rather than bend. Also you can try to heat the piece to a glowing orange temperature. It must be very hot. Cool it. If there is a lot of white flake scale on the piece it is impure and probably iron of some sort. In the end the only way exactly tell is have an analysis done and look at the chemistry.
Q:Can steel coils be coated with impact-resistant materials?
Yes, steel coils can be coated with impact-resistant materials.
Q:What are the different surface finishes of steel coils?
There are several different surface finishes of steel coils, including mill finish, galvanized finish, painted finish, and coated finish.
Q:How are steel coils used in the manufacturing of mining equipment?
Steel coils are used in the manufacturing of mining equipment as they provide the necessary strength and durability required for heavy-duty machinery and structures used in mining operations. These coils are shaped and formed into various components such as frames, buckets, tracks, and support structures, ensuring the equipment can withstand the harsh and demanding conditions of mining operations.
Q:Does anyone know anything about Kodiak Steel Homes?
Steel framing replaces all the wood making the house stronger and resistant to termites. Costs about $2,000 more per house and there is a lack of trained framers in most cities. Never heard of Kodiak brand. Do you know a city where they are located?

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