Prepainted Rolled steel Coil For Construction Roofing Constrution
- Ref Price:
-
- 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
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.
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.
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:How can defects in steel coils be detected?
- Defects in steel coils can be detected through various methods such as visual inspection, ultrasonic testing, magnetic particle inspection, eddy current testing, and radiographic testing. These techniques help identify surface defects, internal flaws, cracks, or any other abnormalities that may affect the quality and strength of the steel coils.
- Q:If rebar steel is welded together as opposed to 'tied' does it decrease the strength of the steel?
- Gary is right on! To add to it some rebar is heat treated if you weld it it loses the heat treating if you don't re heat treat it it will fail at the welded joint.
- Q:How are steel coils used in the production of pipes?
- Steel coils are used in the production of pipes by being uncoiled and passed through a series of forming rolls to shape them into a cylindrical tube. These coils provide the raw material needed for pipe manufacturing and ensure a consistent and high-quality product.
- Q:I need the measurements of the height and hypotenuse of the first drop in the Steel Dragon 2000. I couldn't find it anywhere. It would be great if you could also show me the website where you got your answer. Thanks! =]*The hypotenuse is the length of the drop.*
- Steel Dragon 2000 is a roller coaster at Nagashima Spa Land Amusement Park in Mie Prefecture, Japan. Built by Morgan Manufacturing, this gigacoaster opened, appropriately, in 2000 - The Year of the Dragon in the Far East. It debuted only months after Millennium Force and surpassed the Cedar Point coaster as the world's tallest complete-circuit coaster. It also set a record for longest track length - 8133 feet, 2 inches (2479 m), which it currently holds. Coaster Facts * Steel Dragon 2000 is the tallest coaster to utilize a traditional chain lift. Because of the length of the lift hill, two chains are used - one for the bottom half and one for the top half. A single chain would have been excessively long and heavy, at least twice the weight of one of the trains. As a result, two trains can safely occupy the lift simultaneously. * The building of Steel Dragon 2000 required far more steel than other coasters for earthquake protection. This put the cost of the coaster at over $50,000,000. * On August 23, 2003, Steel Dragon 2000 was involved in an accident during a run in which one of its trains lost a wheel. The coaster did not operate during the 2004 and 2005 park seasons. It reopened September 3, 2006.
- Q:What are the factors that affect the quality of steel coils?
- The quality of steel coils can be influenced by various factors. To begin with, the composition of the steel itself plays a vital role in determining its quality. Impurities like sulfur or phosphorus can have a negative impact on the strength, durability, and overall performance of the steel. Additionally, the quality of the steel is affected by its carbon content, alloying elements, and heat treatment. Furthermore, the quality of the steel coils is greatly affected by the manufacturing process and techniques utilized during production. Factors such as the cleanliness of the production environment, the precision of the rolling and cooling processes, and the control of temperature and pressure throughout manufacturing all contribute to the final quality of the coils. Additionally, the surface quality of the steel coils is a crucial factor. Any defects or imperfections on the surface, such as scratches, dents, or corrosion, can compromise the integrity and functionality of the coils. It is essential to handle, store, and transport the coils properly to maintain their surface quality. Moreover, the mechanical properties of the steel coils, including tensile strength, yield strength, and elongation, are essential indicators of their quality. These properties depend on various factors, such as the type of steel, its thickness, and the processing conditions. Lastly, external factors such as environmental conditions, like humidity and temperature, can affect the quality of steel coils. Exposure to moisture or extreme temperatures can lead to corrosion or other forms of degradation, impacting the overall quality and lifespan of the coils. In conclusion, the quality of steel coils is influenced by several factors, encompassing the composition of the steel, the manufacturing process, surface quality, mechanical properties, and external environmental conditions. It is crucial to carefully control and monitor these factors to produce high-quality steel coils that meet the desired specifications and standards.
- Q:Can steel coils be cut to length?
- Yes, steel coils can be cut to length using various cutting methods such as shearing, slitting, or sawing.
- Q:What are the common surface treatments for steel coils?
- Common surface treatments for steel coils include galvanizing, which involves applying a layer of zinc to protect against corrosion; painting, where a layer of paint is applied for aesthetic purposes or to provide additional protection; and chromating, which involves applying a thin layer of chromium to enhance corrosion resistance and improve paint adhesion.
- Q:Is steel easier to weld?Which is more brittle/less flexible?
- Yes you can, but you really dont want to. Aluminum conducts heat better than steel so the weld would not cool evenly and would be brittle. You would be better off using a bracket or bolt straight on.
- Q:What is the weight of a typical steel coil?
- The weight of a typical steel coil can vary significantly depending on its size, thickness, and type of steel used. However, a typical steel coil can range anywhere from a few hundred kilograms to several tonnes in weight.
- Q:How are steel coils used in the production of food processing equipment?
- Steel coils are used in the production of food processing equipment as they are shaped and formed into various components such as frames, supports, and panels. These coils provide strength, durability, and stability to the equipment, ensuring its reliability and longevity in the demanding food processing environment.
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Prepainted Rolled steel Coil For Construction Roofing Constrution
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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