• 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 is the role of steel coils in the oil and gas industry?
Steel coils play a vital role in the oil and gas industry as they are used for various purposes such as storing, transporting, and processing oil and gas. These coils are designed to withstand high pressure and extreme temperatures, making them ideal for applications like oil storage tanks, pipelines, and refineries. Additionally, steel coils are used in the construction of drilling rigs, platforms, and other infrastructure required for oil and gas exploration and production. Overall, steel coils are essential components in the industry, ensuring the safe and efficient extraction, transportation, and processing of oil and gas resources.
Q: what exactly does it mean when some sword makers refer to finding the truth of steel. I have heard that many have tried to find the truth but i dont really understand what there is to find.
I am unsure of what the Truth of Steel is, but here is the Riddle of Steel (from Conan) Thulsa Doom: Yes! You know what it is, don't you boy? Shall I tell you? It's the least I can do. Steel isn't strong, boy, flesh is stronger! Look around you. There, on the rocks; a beautiful girl. Come to me, my child... Thulsa Doom: [coaxes the girl to jump to her death] Thulsa Doom: That is strength, boy! That is power! What is steel compared to the hand that wields it? Look at the strength in your body, the desire in your heart, I gave you this! Such a waste. Contemplate this on the tree of woe. Crucify him!
Q: Is it just because brass is reloadable? But what makes it reloadable? What does brass bring to the equation that the steel cased ammo can't do?
When 9mm was short I bought some steel Tula ammo, it was cheap and available. When at the range I was shooting it and it sounded different and felt different, way less kick. So I loaded up a mix of Tula and some Federal. Big difference between them. I also had failure to eject on the steel, then put brass in and did not have that problem. I do not buy cheap steel ammo anymore.
Q: What is the type of stainless steel used in knifes.
There okorder / Stainless steel doesn't make the best knife blade. It doesn't sharpen as sharp or hold its edge as well. High carbon steel is better, but it rusts and discolors very easily so it's not as popular. A new thing (actually not new but popular these days) is to use a 'sandwich' of high carbon steel between two layers of stainless. So the actual edge is high carbon steel but the blade looks like stainless. I have some kitchen knives made this way (kind of expensive) and I love them. This same technique was used in Japanese katanas, swords used by samurai warriors.
Q: Can steel coils be coated with fluorescent materials?
Yes, steel coils can be coated with fluorescent materials.
Q: How are steel coils used in the manufacturing of automotive fenders?
Steel coils are used in the manufacturing of automotive fenders by being processed and shaped into the desired fender shape. The coils are first uncoiled and then sent through a series of machines that cut and shape the steel into the specific dimensions and contours required for the fender design. These shaped steel pieces are then welded or bolted together to form the final fender structure, which is later painted and installed onto the vehicle.
Q: How are steel coils used in the manufacturing of safety systems?
Steel coils are commonly used in the manufacturing of safety systems as they provide strength, durability, and stability to various components. These coils are often transformed into springs, which are crucial for absorbing and distributing impact forces during accidents or sudden movements. Springs made from steel coils are utilized in seatbelt retractors, airbag systems, suspension systems, and other safety mechanisms to enhance overall safety and protect occupants in vehicles and various industrial applications.
Q: Hi, does anyone know where i can find more about this topic ? fire resistant steels for structural applications. thanks
In the fire protection world, we do not consider steel fire resistant. Of course it doesn't burn under ordinary conditions, but it lose strength as it is heated. As has been mentioned, there are coatings which insulate steel to enable it to withstand high ambient temperatures for a long time. Construction using this method is called fire resistive construction.
Q: How are steel coils inspected for chemical composition?
Steel coils are inspected for chemical composition through a process known as spectroscopy. Spectroscopy involves the use of a spectrometer, which is an instrument that analyzes the light emitted or absorbed by a sample to determine its chemical composition. In the case of steel coils, a small sample is usually taken from the coil and prepared for analysis. This sample is then placed in the spectrometer, which emits a beam of light onto the sample. The light interacts with the atoms and molecules in the sample, causing them to emit or absorb specific wavelengths of light. The spectrometer measures the intensity of the emitted or absorbed light at different wavelengths and creates a spectrum, which is essentially a unique fingerprint for the sample. This spectrum is then compared to a database of known spectra for different elements and compounds to determine the chemical composition of the steel. The spectroscopic analysis can identify the presence and concentration of various elements such as carbon, manganese, phosphorus, sulfur, and other trace elements that may be present in the steel. These elements play a crucial role in determining the steel's properties, strength, and suitability for different applications. Inspection for chemical composition is essential in the steel industry to ensure that the steel meets the required specifications and standards. Any deviation from the desired chemical composition can affect the steel's performance and may lead to structural failures or other defects. Overall, spectroscopy provides a highly accurate and reliable method for inspecting steel coils for their chemical composition, helping to ensure the quality and integrity of the steel products.
Q: What are the applications of steel coils in automotive manufacturing?
Steel coils have various applications in automotive manufacturing. They are used primarily for the production of car bodies, as well as for other components such as doors, hoods, fenders, and trunk lids. Steel coils provide high strength, durability, and formability, making them suitable for creating robust and safe vehicles. Additionally, they offer excellent resistance to corrosion and can be easily molded into complex shapes, ensuring the desired design aesthetics and functionality.

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