• 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: I am thinking about getting a cold steel tilite or a kershaw leek or possibly a buck sirus. If you have had any experience with these knives please give it to me. thanks
Kershaw Steel
Q: What is the weight of a steel coil?
The weight of a steel coil can vary depending on its size and thickness. Generally, a steel coil can weigh anywhere from a few hundred kilograms to several tonnes.
Q: Looking for an insight here into what hiking with steel toe-capped boots would be like, as I saw a nice pair of steel toed magnums that I plan to use for my future hiking (which I will be doing a fair amount of in the future). They seemed fairly comfortable, but I am curious into what others have to say and what might be known of this sort of approach. Thanks in advance.
They are very heavy not like hiking boots but it is your choice
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: How are steel coils used in the production of industrial equipment?
The utilization of steel coils is essential in the manufacturing of industrial equipment. These coils, which are large sheets of steel that are flat and rolled, serve as vital raw materials for various manufacturing processes. To begin with, steel coils are employed for the purpose of fabrication. They are cut, shaped, and welded together to form the structural framework of industrial equipment. This encompasses machinery, heavy-duty vehicles, storage tanks, and other components utilized in industries. The coils provide the necessary strength and durability to withstand the demanding conditions faced by industrial equipment. Furthermore, steel coils are frequently molded into specific shapes to produce various parts and components used in industrial machinery. These parts may include gears, shafts, bearings, brackets, and many others. The malleability of steel allows for easy manipulation and fabrication into different sizes and shapes, making it an ideal material for such applications. Moreover, steel coils are also utilized in the construction of industrial equipment, particularly in the production of boilers, heat exchangers, and pressure vessels. These coils are typically fashioned into tubes or pipes, which are then welded or brazed together to create the necessary structure for such equipment. The high strength and heat resistance properties of steel make it the preferred material for these applications, ensuring the safe and efficient operation of industrial processes. In conclusion, steel coils play a pivotal role in the manufacturing of industrial equipment. They serve as raw materials for fabrication, are transformed into parts and components, and are used in the construction of crucial equipment like boilers and pressure vessels. The durability, strength, and versatility of steel make it an indispensable material in the manufacturing industry.
Q: How are steel coils inspected for straightness?
Steel coils are typically inspected for straightness using various methods such as visual inspection, laser measurement, or by passing the coils through straightening equipment.
Q: What are the different surface treatments for steel coils?
There are several different surface treatments available for steel coils, depending on the desired outcome and application. Some of the most common surface treatments for steel coils include: 1. Hot-dip galvanizing: This process involves immersing the steel coils in a bath of molten zinc, which forms a protective layer on the surface of the steel. Hot-dip galvanizing provides excellent corrosion resistance and is often used for outdoor applications. 2. Electro-galvanizing: Similar to hot-dip galvanizing, but instead of immersing the steel coils in molten zinc, a thin layer of zinc is electroplated onto the surface of the steel. Electro-galvanizing provides good corrosion resistance and is commonly used for indoor applications. 3. Powder coating: This process involves applying a dry powder to the surface of the steel coils, which is then heated and cured to form a hard, durable coating. Powder coating provides excellent corrosion resistance and is available in a wide range of colors and finishes. 4. Paint coating: Steel coils can also be coated with a liquid paint, which provides both corrosion resistance and aesthetic appeal. Paint coatings can be applied in various thicknesses and finishes, depending on the desired look and level of protection required. 5. Phosphating: Phosphating is a chemical treatment that involves immersing the steel coils in a phosphate solution. This process creates a thin, adherent layer of phosphate on the surface of the steel, which enhances paint adhesion and improves corrosion resistance. 6. Chromate conversion coating: Also known as chromating or passivation, this process involves immersing the steel coils in a solution containing chromium salts. Chromate conversion coatings provide excellent corrosion resistance and also act as a primer for subsequent paint or powder coating. 7. Zinc-nickel plating: This surface treatment involves electroplating a layer of zinc-nickel alloy onto the steel coils. Zinc-nickel plating provides superior corrosion resistance compared to pure zinc plating and is often used in demanding environments. These are just a few of the many surface treatments available for steel coils. The choice of treatment depends on factors such as the application, desired level of corrosion resistance, aesthetic requirements, and budget. It is important to carefully consider the specific needs of the project and consult with experts to determine the most suitable surface treatment for steel coils.
Q: Can steel coils be coated with abrasion-resistant materials?
Yes, steel coils can be coated with abrasion-resistant materials. These materials are specifically designed to provide a protective layer against wear and tear caused by friction, impact, or other forms of abrasion. Coating steel coils with abrasion-resistant materials helps to enhance their lifespan and durability, making them suitable for various applications that involve high levels of abrasion or mechanical stress.
Q: How are steel coils used in the production of electrical resistors?
Steel coils are used in the production of electrical resistors as they provide a conductive path for the flow of electric current. The resistance of the coil is determined by its length, thickness, and material properties, allowing it to regulate the flow of electricity in various applications such as heating elements and electronic circuits.
Q: Can steel coils be customized according to specific requirements?
Yes, steel coils can indeed be customized according to specific requirements. Customization can include adjusting the size, shape, thickness, and even the chemical composition of the steel coils to meet the specific needs and preferences of customers.

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