• 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:Which of the two are better for exhaust manifolds, im guessing the stainless steel right?
Cast iron. That's what OEMs use obviously it's better. Bring on the Thumbs Down from the peanut gallery.
Q:How are steel coils used in the manufacturing of exhaust manifolds?
Steel coils are used in the manufacturing of exhaust manifolds as they are rolled into specific shapes and sizes to form the primary structure of the manifold. The coils are cut, bent, and welded together to create the required geometry, ensuring the exhaust gases flow smoothly and efficiently from the engine. Additionally, the steel coils provide the necessary strength and durability to withstand high temperatures and the harsh conditions of the exhaust system.
Q:What are the different methods of coil rewinding for steel coils?
There are several different methods of coil rewinding for steel coils, each with its own advantages and considerations. One common method is the slitting and rewinding process. This involves cutting the original steel coil into narrower strips, often referred to as "slits," and then rewinding these slits onto separate reels. Slitting and rewinding allows for customization of the coil width and is commonly used in industries such as automotive, construction, and packaging. Another method is the oscillate winding technique. This method involves rewinding the steel coil in a back-and-forth manner, creating a tighter and more compact coil. Oscillate winding is particularly beneficial for reducing coil deformation during transportation and storage, as well as optimizing material usage. Additionally, the pancake coil winding method is often employed for steel coils. With this technique, the steel coil is rewound in a flat, pancake-like shape, allowing for easier processing and handling. Pancake coils are often used in applications where space is limited, such as in electrical transformers. Furthermore, some advanced coil rewinding methods utilize automated equipment, such as robotic systems or computer-controlled winding machines. These technologies ensure precise and consistent rewinding, reducing human error and improving overall efficiency. Ultimately, the choice of coil rewinding method depends on the specific requirements of the application, including coil dimensions, material properties, and desired production output. Manufacturers must carefully consider factors such as coil quality, cost-effectiveness, and equipment capabilities when selecting the most suitable method for their steel coil rewinding process.
Q:Explain why a steel nail sinks but a steel ship floats.
A steel nail is much denser than the water. That means that it weighs more than an equivalent volume of water. Therefore, the buoyancy is never going to be enough to hold it up. Whether it is a big steel nail or a small one, it will always be too dense for the water to support it. Because of its shape, a steel ship is not as dense as water. It is not made out of a solid block of steel. Instead, the hull is built of thin plates of steel enclosing an open space. A steel ship is sort of like an empty cup. Although its sides are hard and dense, it holds a lot of air in the middle. Since air weighs almost nothing, it lowers the overall density of the ship to a point where its buoyancy exceeds its weight, and the ship floats. Think of it as you trying to sink a balloon.
Q:How are steel coils used in the manufacturing of industrial conveyors?
Steel coils are used in the manufacturing of industrial conveyors as they provide the necessary strength and durability required to support heavy loads and withstand the rigors of continuous operation. The coils are typically formed into various components, such as frames, rollers, and supports, that make up the conveyor system. By utilizing steel coils, manufacturers can ensure a reliable and efficient conveyor system that can handle a wide range of materials and processes in industrial settings.
Q:I have a necklace that has a pendent made out of stainless steel. The pendent is connected by a cord, not chain, that I can take on and off; so, I leave it on all the time. It has gotten pretty tarnished because of that.
RE: How do I polish stainless steel jewelry? I have a necklace that has a pendent made out of stainless steel. The pendent is connected by a cord, not chain, that I can take on and off; so, I leave it on all the time. It has gotten pretty tarnished because of that. It's pretty small (1 in. by 1 in.) and kinda a weird shape. I'll give...
Q:What are the common methods of joining steel coils?
The common methods of joining steel coils include welding, mechanical fastening (such as bolts or screws), and adhesive bonding.
Q:During fatigue testing of any material (especially for steels), why is strain-control mode preferred over stress control mode?
because metals, like steel, are ductile and will stretch before breaking. Straining the metal is stretching it, stressing the metal is applying a shearing force or bending until there is an actual metal failure. A sheet metal strap 1inch across and 24 gauge metal is commonly used to support metal ducting systems in construction. These have an average strain to failure weight load as high as 16,200 lbs. As reported by the smacna index, they will safely hold 6800 pounds. Of more interest is the screws used to hold the strap to the duct. While they are grade 3, fairly strong, they strain to 1400 pounds when properly installed, and are safely able to support 650 pounds, unless they are overtorqued (stripped) and this quickly drops to 400 pounds and 125 pounds...big difference.
Q:Steel is a mixture of Iron Carbon . So , is steel a metal or non - metal ?
Steel is an alloy mostly made of metallic elements. You really wouldn't classify steel as a metal or a nonmetal. That terminology is mostly used with pure elements.
Q:How are steel coils used in the manufacturing of construction excavators?
Steel coils are used in the manufacturing of construction excavators as they are the primary material for constructing the structural components, such as the boom, arm, and bucket. These coils are processed into various shapes and sizes through cutting, bending, and welding techniques, and then assembled to create the sturdy and durable framework of the excavator.

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