• Prepainted Rolled steel Coil for Construction Roofing Use System 1
  • Prepainted Rolled steel Coil for Construction Roofing Use System 2
  • Prepainted Rolled steel Coil for Construction Roofing Use System 3
  • Prepainted Rolled steel Coil for Construction Roofing Use System 4
Prepainted Rolled steel Coil for Construction Roofing Use

Prepainted Rolled steel Coil for Construction Roofing Use

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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 Use

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 UsePrepainted Rolled steel Coil for Construction Roofing Use 

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 Use

 Prepainted Rolled steel Coil for Construction Roofing Use Prepainted Rolled steel Coil for Construction Roofing Use

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 safety precautions when working with steel coils?
Some safety precautions when working with steel coils include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots, ensuring proper lifting techniques to prevent musculoskeletal injuries, maintaining a clear and organized work area to avoid tripping hazards, using proper machinery and equipment to handle and transport the coils safely, and following established safety protocols and procedures. It is also important to receive proper training and supervision to handle steel coils effectively and minimize potential risks.
Q: What products can we make with steel (eg Steel strip, rod, bar, rail, tube) How are these made? What can we make from these steel products?Can you please make the answers as detailed as possible you can because i really want to know this really well. Thank you.
Your okorder (they make steel deck and steel joists) There are thousands of other items routinely produced from steel, including rebar, and all the metal in cars, airplanes, and about a million other things.
Q: How are steel coils used in the production of wind turbine components?
Steel coils are an essential component in the production of wind turbine components. These coils are typically made from high-strength steel, which is known for its durability and ability to withstand harsh weather conditions. One of the primary uses of steel coils in wind turbine production is in the manufacturing of the tower. The tower is the structure that supports the entire wind turbine, and it needs to be strong enough to withstand the weight of the nacelle and the rotor blades. Steel coils are used to fabricate the sections of the tower, which are then assembled to create a tall and sturdy structure. Another crucial application of steel coils is in the production of the rotor blades. The rotor blades are responsible for capturing the wind's energy and converting it into rotational motion. Steel coils are used in the manufacturing of the blade's internal structure, known as the spar, which provides strength and rigidity to the blade. The coils are shaped and formed into the desired blade shape, and then composite materials are added to enhance its aerodynamic properties. Furthermore, steel coils are also utilized in the production of other wind turbine components such as the hub and the nacelle. The hub is the central part of the rotor, to which the blades are attached, and it requires a strong and reliable steel structure to sustain the immense forces generated by the rotating blades. The nacelle, on the other hand, houses the generator and other vital components of the wind turbine, and steel coils are used in its construction to ensure stability and protection. In summary, steel coils play a crucial role in the production of wind turbine components. From the tower to the rotor blades, hub, and nacelle, steel coils provide the necessary strength, durability, and stability required to withstand the demanding conditions of wind energy production. Without these coils, the construction and operation of wind turbines would not be possible, as they form the backbone of these renewable energy systems.
Q: What are the properties of high-strength steel coils?
High-strength steel coils possess a range of unique characteristics that make them highly sought-after in diverse industrial applications. Firstly, these coils demonstrate extraordinary strength, enabling them to withstand substantial force or weight without deformation or breakage. This quality renders them suitable for demanding environments and heavy-duty purposes. Another noteworthy property of high-strength steel coils is their exceptional resistance to wear and tear. They exhibit a high level of hardness, allowing them to endure abrasion, impact, and other forms of mechanical stress. Consequently, they prove ideal for applications where durability and longevity are paramount, such as construction, automotive manufacturing, and machinery production. Furthermore, high-strength steel coils frequently exhibit remarkable corrosion resistance. They are typically coated or treated with protective materials to prevent rust or other types of deterioration caused by exposure to moisture, chemicals, or harsh environmental conditions. This corrosion resistance ensures the durability and reliability of the coils, making them well-suited for use in marine environments or outdoor structures. Additionally, high-strength steel coils offer excellent formability, meaning they can be easily shaped or bent without compromising their strength or integrity. This characteristic empowers manufacturers to create intricate or customized shapes for specific applications, enhancing the versatility and adaptability of the coils. Lastly, high-strength steel coils are renowned for their lightweight nature compared to other materials possessing similar strength properties. This low weight-to-strength ratio positions them as the preferred choice in industries that prioritize weight reduction, such as aerospace or automotive manufacturing. It facilitates improved fuel efficiency, increased payload capacity, and overall cost savings. In conclusion, high-strength steel coils possess exceptional strength, resistance to wear and tear, corrosion resistance, formability, and lightweight characteristics, rendering them invaluable and versatile materials in a wide array of industries.
Q: How are steel coils used in the manufacturing of suspension springs?
Steel coils are used in the manufacturing of suspension springs by being tightly wound and then shaped into a helical or spiral form. These coils provide the necessary flexibility and strength required to absorb and distribute the weight and force exerted on the suspension system, allowing for a smooth and stable ride.
Q: Will hot dip galvanizing affect the properties of the steel
Steel is heat treated for some applications such as bearings, drill bits and cutting tools. Hot galvanizing occurs at 860F (when zinc is molten). Tool steels are likely to lose temper and hardness at this temperature. Common steels wouldn't be affected.
Q: What are the challenges in storing and handling steel coils?
Storing and handling steel coils presents numerous obstacles due to their size, weight, and potential risks associated with transportation and storage. The following are some of the challenges: 1. Space requirements: Steel coils are typically large and bulky, necessitating ample storage space. Finding suitable storage facilities that can accommodate the size and weight of the coils can be difficult, particularly in urban areas with limited space. 2. Weight and handling: Steel coils can weigh several tons, making safe handling a challenge. Specialized equipment, such as cranes or forklifts with sufficient lifting capacity, is necessary to move and position the coils without causing damage or injury. 3. Stackability: Storing steel coils in a secure and efficient manner requires careful consideration of their stackability. Coils must be stacked in a way that prevents deformation or damage to the lower coils, ensuring stability and minimizing the risk of toppling. 4. Corrosion prevention: Steel coils are susceptible to corrosion, especially when exposed to moisture or harsh environmental conditions. Implementing proper corrosion prevention measures, such as protective coatings or climate-controlled storage, is essential to maintain the quality and integrity of the coils. 5. Safety risks: Handling steel coils can be hazardous, as they can unexpectedly shift during transportation or storage. This poses a risk to workers involved in the handling process. Adequate training, appropriate personal protective equipment (PPE), and strict safety protocols are vital to minimize the potential for accidents or injuries. 6. Transportation challenges: Transporting steel coils from manufacturing facilities to storage facilities or end-users can be logistically complex. Coordinating the loading, securing, and unloading of the coils onto trucks or shipping containers requires careful planning and adherence to safety regulations. 7. Quality control: Steel coils must be stored and handled in a manner that maintains their quality. Mishandling or improper storage conditions can result in deformations, scratches, or other defects that can impact the performance and value of the steel. In conclusion, the challenges encountered in the storage and handling of steel coils necessitate attention to detail, appropriate equipment, and adherence to safety protocols to ensure the integrity of the product, the safety of workers, and the efficiency of operations.
Q: What is the shelf life of steel coils?
The shelf life of steel coils is indefinite if they are stored properly. Steel coils are known for their durability and long-lasting nature, making them suitable for extended storage periods without any degradation in quality. However, it is important to store them in a dry and well-ventilated area, away from moisture and corrosive substances to prevent any potential damage.
Q: How do steel coils contribute to the manufacturing of HVAC systems?
Steel coils play a crucial role in the manufacturing of HVAC systems. These coils are typically made from high-quality steel, which offers exceptional strength, durability, and heat resistance. One of the main uses of steel coils in HVAC systems is for heat exchangers. Heat exchangers are vital components that facilitate the transfer of heat between two different mediums, usually air and a refrigerant. In an HVAC system, steel coils are used in both the evaporator and condenser coils. The evaporator coil absorbs heat from the air inside a building, while the condenser coil releases heat to the outside environment. These coils are designed with numerous tubes that are coiled and connected with fins. The steel construction of these coils ensures that they can withstand high-pressure environments and resist corrosion, ensuring long-term reliability and efficiency of the HVAC system. Steel coils also contribute to the overall structural integrity of HVAC systems. They are commonly used in the fabrication of ductwork, which is responsible for distributing conditioned air throughout a building. The strength and rigidity of steel coils allow ductwork to maintain its shape and structural integrity under various conditions, including high air pressure and temperature fluctuations. Furthermore, steel coils are often used in the fabrication of HVAC system cabinets and enclosures. These cabinets house various components of the system, such as compressors, fans, and control panels. The robustness of steel coils ensures that the cabinets can withstand external forces, protect the internal components, and provide a secure housing for the entire HVAC system. In summary, steel coils are essential components in the manufacturing of HVAC systems. Their strength, durability, and heat resistance make them ideal for heat exchangers, ductwork, cabinets, and enclosures. By utilizing steel coils, HVAC manufacturers can produce systems that efficiently and effectively regulate temperature, improve indoor air quality, and provide comfort in various residential, commercial, and industrial settings.
Q: Cold rolled steel coil steel, what is the difference?
Hot rolling is made of slabs (mainly continuous billets) as raw materials. After heating, strips are made from roughing mills and finishing mills.

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