• 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 need to know where to go online to buy a steel cage for a wrestling ring.. Somebody please assist me?
Steel cages are made from scrap. From either loose metal or loose chains. There might be some on eBay that would be man-made
Q:What are the common uses of pre-painted steel coils?
Pre-painted steel coils are commonly used in various industries such as construction, automotive, and appliances. They are utilized for manufacturing roofing and wall panels, garage doors, ductwork, and other building components. In the automotive sector, pre-painted steel coils are employed to produce body panels, trims, and other exterior parts. Additionally, they find applications in the manufacturing of household appliances like refrigerators, washing machines, and ovens.
Q:What are the various surface finishes available for steel coils?
There are several surface finishes available for steel coils, each with its own unique properties and applications. Some of the most commonly used surface finishes for steel coils include: 1. Hot rolled: This finish is achieved by rolling the steel at high temperatures, which creates a rough, scale-like surface. Hot rolled coils are typically used for structural applications, such as construction materials and industrial machinery. 2. Cold rolled: In contrast to hot rolled coils, cold rolled coils are rolled at room temperature, resulting in a smoother and more refined surface. Cold rolled steel is often used in automotive and appliance manufacturing due to its superior surface finish and dimensional accuracy. 3. Galvanized: Galvanizing is a process that involves coating steel with a layer of zinc to protect it from corrosion. Galvanized steel coils have a shiny, metallic appearance and provide excellent corrosion resistance, making them suitable for outdoor applications, such as roofing, fences, and gutters. 4. Electro-galvanized: Similar to galvanized steel, electro-galvanized coils are also coated with a layer of zinc. However, the coating thickness is typically thinner and achieved through an electroplating process. Electro-galvanized steel coils offer good corrosion resistance and are commonly used in the manufacturing of electrical appliances, automotive parts, and construction components. 5. Pre-painted: Pre-painted steel coils are coated with a layer of paint or polymer film on the surface. This finish provides both protection against corrosion and aesthetic appeal, allowing for a wide range of color options. Pre-painted steel coils are extensively used in the construction industry for applications like roofing, cladding, and wall panels. 6. Stainless steel: While not technically a surface finish, stainless steel coils have their own unique properties that make them suitable for various applications. Stainless steel coils are highly resistant to corrosion, heat, and chemical damage, making them ideal for industries such as food processing, medical equipment, and marine applications. These are just a few examples of the various surface finishes available for steel coils. The choice of finish depends on factors such as the intended application, desired appearance, and level of corrosion resistance required.
Q:mass of steel ball=66.80 gramsdiameter of steel ball=2.51 cm
To calculate the density of any object you will always use the formula: Density = Mass / Volume (P=M/V). You have recorded the known values of the mass and the diameter of the ball (sphere), so we have everything needed to calculate the Density. Mass is 66.80g, but we shall need to use another formula to calculate the volume of the sphere. The formula to use is 4/3 X Pi X radius cubed. However, first of all we need to turn your measurement of the diameter of the steel sphere into the radius of the steel sphere (So that it can be substituted in place of the “radius” in the above formula). Simply half the diameter to find the radius. So 2.51 cm divided by 2 is 1.255 cm. Now insert the radius 1.255cm into the above formula. It would be read like this: 4/3 X 3.14159… X 1.255 ?cubed (OR 4/3 X 3.14159 X 1.255X1.255X1.255), = 8.2798. So, now we know that the sphere has a volume of 8.2798 cm cubed, we can use this number in place of the “V” in the density formula P=M/V, and we can also substitute in the Mass (66.80g). So now P=66.80 / 8.2798, which = 8.07g/cm cubed. Now we know that from your measurements, steel has a density of 8.07g/cm cubed! This is fairly close to the real life average density, which if I remember correctly is around 7.8 g/cm cubed. Just remember, though, that as steel is an alloy it’s density is not standard and varies due to carbon content etc. Anyway, I hope that helped you!
Q:How long can steel coils be stored before they need to be used?
Steel coils can typically be stored for an extended period of time, ranging from a few months to several years, depending on various factors such as the coating, storage conditions, and the type of steel. However, it is generally recommended to use or sell steel coils within a year or two to ensure their optimal quality and performance.
Q:What is the role of steel coils in the manufacturing of storage racks?
The role of steel coils in the manufacturing of storage racks is to provide the raw material for the construction of the racks. Steel coils are used to create various components of the storage racks, such as the uprights, beams, and shelves. These coils are processed and shaped into the desired dimensions and configurations to ensure the strength, durability, and load-bearing capacity of the storage racks.
Q:I'm looking for the weight of different types of steel and haven't found anything helpful!!thank you
Just know the type of steel ,its density. Density gives you weight per unit of volume. For example: The density of mild steel is approximately 7.85 g/cm^3 (0.284 lb/in^3) From above , you can say that 1 cm^3 of volume of mild steel have 7.85 gram weight.
Q:What are the dimensions of steel coils used in automotive accessory manufacturing?
The dimensions of steel coils used in automotive accessory manufacturing can vary depending on the specific application and requirements. However, typical dimensions for steel coils used in this industry range from 0.3 mm to 4.0 mm in thickness and from 600 mm to 2000 mm in width. The length of the coil can also vary, but it is commonly around 2000 meters.
Q:Where are the coils and the steel plates used? Where did the steel plate come from?
The use of steel coils, refrigerators, washing machines, household appliances, and other industries, parcels are winding.Steel plates can also be found everywhere: airplanes, guns, trains, ships, space shuttles, spaceships, automobiles, etc..Steel plate through mining - sintering - iron smelting - smelting - forming.
Q:What is the average shelf life of a steel coil?
The average shelf life of a steel coil can vary depending on various factors such as the type of steel, storage conditions, and handling practices. However, under ideal conditions, steel coils can typically be stored for several years without significant deterioration or loss in quality.

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