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:What are the common coil weight and width combinations available for steel coils?
- The common coil weight and width combinations available for steel coils vary depending on the specific requirements of the industry or application. However, some commonly available coil weight and width combinations for steel coils include: 1. Light gauge coils: These coils typically have a weight range of 5 to 10 tons and a width range of 600 to 1,500 mm. They are commonly used in industries such as automotive, construction, and appliances. 2. Medium gauge coils: These coils generally have a weight range of 10 to 20 tons and a width range of 750 to 2,000 mm. They find applications in sectors like manufacturing, infrastructure, and engineering. 3. Heavy gauge coils: These coils typically have a weight range of 20 to 35 tons and a width range of 900 to 2,200 mm. They are commonly used in industries that require thicker and wider steel sheets, such as shipbuilding, oil and gas, and construction of large structures. 4. Narrow coils: These coils have a width range of less than 600 mm and can have varying weights depending on the specific requirements. They are often used in industries that require narrower strips of steel, such as automotive components, electrical appliances, and packaging. 5. Custom coil sizes: Apart from the above standard coil weight and width combinations, manufacturers can also provide custom sizes based on specific customer requirements. This allows for flexibility in meeting the unique needs of different industries. It is important to note that these weight and width combinations are not exhaustive and can vary depending on the steel manufacturer, production capabilities, and customer demands.
- Q:How do steel coils contribute to energy efficiency?
- Steel coils contribute to energy efficiency in several ways. Firstly, steel coils are lightweight and can be easily transported, reducing the energy consumption associated with transportation. Additionally, steel coils have high heat transfer properties, allowing for more efficient heat exchange in various applications such as HVAC systems. Moreover, steel coils are durable and long-lasting, reducing the need for frequent replacements and saving energy associated with manufacturing new coils. Lastly, steel coils can be recycled, reducing the energy consumption and environmental impact of producing new steel. Overall, the use of steel coils promotes energy efficiency by reducing energy consumption, improving heat transfer, and facilitating recycling.
- Q:What are the common coil packaging methods?
- The common coil packaging methods include shrink wrapping, strapping, banding, and stretch wrapping.
- Q:How are steel coils used in the production of steel cables?
- Steel coils are used in the production of steel cables by being uncoiled and straightened, then fed into a machine that twists and braids them together to create the cable.
- Q:Can you suggest me names of sites which aids in construction of Pre Fabricated Steel Buildings.
- A word of caution, there are many bad steel building contractors out there. Stay with reputable brands such as Butler, Behlen, and Whirlwind. A broker such as Heritage will get you good results but I have heard horror stories about a lot of steel building brokers.
- Q:Hello,is it possible to divide an alloy in its own elements? I am particularly interested in Stainless Steel, which is made of Nickel, Chrome and Iron. Do you have an idea of where can I find some more information (blogs, reviews, sites or books)?Thanks for your help
- Yes it is possible to recover individual elements from an alloy such as stainless steel, but not easy. Look up etching of stainless steel on google. This same etching solution will completely dissolve stainless steel. These solutions are strong acids such as H2SO4 and HNO3 so safety goggles and good ventilation are absolutely required. Once the metal has been dissolved, then you would need to use a qualitative analysis scheme to precipitate out the different metals one at a time as compounds, then do additional reactions to recover the metallic elements.
- Q:What are the quality standards for steel coil manufacturing?
- The quality standards for steel coil manufacturing include factors such as the grade and composition of the steel, dimensional accuracy, surface finish, mechanical properties, and adherence to industry-specific standards and specifications. These standards ensure that the steel coils meet the required strength, durability, and performance criteria for various applications such as construction, automotive, and manufacturing.
- Q:How are steel coils shipped internationally?
- Steel coils are typically shipped internationally using cargo ships or freight trains. The coils are securely loaded onto flatbed or container vessels, ensuring they are properly secured to prevent any damage during transportation. This method allows for efficient and cost-effective transportation of large quantities of steel coils across the globe.
- Q:What are the common methods of joining steel coils together?
- Common methods of joining steel coils together include welding, mechanical fastening (such as using bolts or screws), adhesive bonding, and interlocking methods.
- Q:What are the common welding methods used for steel coils?
- There are several common welding methods used for steel coils, depending on the specific requirements and applications. Some of the most widely used methods include: 1. Shielded Metal Arc Welding (SMAW): Also known as stick welding, SMAW uses an electrode coated in flux to create an arc between the electrode and the base metal. This method is commonly used for its simplicity and versatility, making it suitable for a wide range of steel coil welding applications. 2. Gas Metal Arc Welding (GMAW): Also known as MIG (Metal Inert Gas) welding, GMAW uses a continuous wire electrode and a shielding gas to protect the weld pool from atmospheric contamination. This method is favored for its high welding speed and excellent control over the welding process. 3. Flux-Cored Arc Welding (FCAW): Similar to GMAW, FCAW uses a continuously fed tubular electrode filled with flux to protect the weld pool. This method is often preferred for its high deposition rates and ability to weld thicker steel coils, making it ideal for heavy-duty applications. 4. Gas Tungsten Arc Welding (GTAW): Also known as TIG (Tungsten Inert Gas) welding, GTAW uses a non-consumable tungsten electrode and an inert gas shield to protect the weld pool. This method is commonly used for its precise control, high-quality welds, and ability to weld thin materials. 5. Submerged Arc Welding (SAW): SAW involves the formation of an arc between a continuously fed wire electrode and the steel coil, while a granular flux covers the arc and weld area. This method is frequently used for its high productivity and ability to weld thick materials. Each of these welding methods has its own advantages and limitations, and the choice of method depends on factors such as the thickness of the steel coil, desired welding speed, weld quality, and application requirements.
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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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