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: Many gerber knives are made out of what gerber calls high Carbon steels and I was wondering if anyone knew exactly what is this mysterious steel.
- Carbon, when added to steel increases the hardness of the metal. The higher the carbon content the harder(pure carbon = diamond) the blade will be and the longer it will hold its sharpened edge. Too much carbon however can make it too brittle to use as a blade. iron, carbon and chromium(for the stainless in stainless steel) mixed in the right portion makes a high carbon stainless steel knife. All of which is kinda pointless if the blade is not forged correctly.
- Q: What are the environmental considerations when using steel coils?
- Some of the key environmental considerations when using steel coils include the production process, energy consumption, and the potential for waste generation. Steel production is resource-intensive and can result in high greenhouse gas emissions, contributing to climate change. Energy consumption during manufacturing and transportation should be minimized to reduce carbon footprints. Additionally, proper waste management and recycling practices should be implemented to minimize the environmental impact of steel coil usage.
- Q: What is the role of steel coils in the manufacturing of agricultural machinery?
- Steel coils are used in the manufacturing of agricultural machinery to provide strength, durability, and structural integrity to the equipment. They are typically used to form the main body and framework of the machinery, ensuring it can withstand heavy loads, harsh environments, and repetitive use. Additionally, steel coils are often used to fabricate specific components, such as blades, cutting edges, and structural supports, which are crucial for the proper functioning of agricultural machinery in various farming operations.
- Q: does anyone out there know where to get a good deal on a pedal steel guitar? i am from northern indiana and i'm willing to travel some if i have to.i am just getting into pedal steel guitar and i really don't have any idea what i need. i don't know how to play a guitar (i do know how to play the piano and the drums) at all but i want to learn to play the pedal stell guitar and i can't do that without getting one first so, if anyone can help me out i would greatly appreciate it! :o)
- I agree with everything that Lester said. Another thought is to consider starting on a lap steel guitar rather than a pedal steel - its related, a little easier to learn on, and less expensive. Once you get proficient on the lap steel, you can move up to the pedal steel. Good luck!
- Q: I need help! Please help, I'm in Chemistry, and me and my friend Lucy are making a presentation on steel and iron, so how is steel manufactured? Thank you. :D
- The steel consists of ( Iron ) and another matter... but the popular one is iron+carbon / iron+silver - When iron is smelted from its ore by commercial processes, it contains more carbon than is desirable. To become steel, it must be melted and reprocessed to reduce the carbon to the correct amount, at which point other elements can be added. This liquid is then continuously cast into long slabs or cast into ingots. Approximately 96% of steel is continuously cast, while only 4% is produced as cast steel ingots. The ingots are then heated in a soaking pit and hot rolled into slabs, blooms, or billets. Slabs are hot or cold rolled into sheet metal or plates. Billets are hot or cold rolled into bars, rods, and wire. Blooms are hot or cold rolled into structural steel, such as I-beams and rails. In modern foundries these processes often occur in one assembly line, with ore coming in and finished steel coming out. Sometimes after a steel's final rolling it is heat treated for strength, however this is relatively rare.
- Q: What are the main factors that affect the quality of steel coils?
- The main factors that affect the quality of steel coils include the composition and purity of the steel used, the manufacturing process and techniques employed, the level of heat treatment and cooling, the presence of any impurities or defects, and the overall handling and storage conditions.
- Q: Can steel coils be coated with holographic patterns?
- Yes, steel coils can be coated with holographic patterns. This process involves the application of a holographic film or coating onto the surface of the steel coils, creating a visually appealing and unique holographic effect. This coating can be used for various purposes such as branding, security, or aesthetics in industries like automotive, packaging, or electronics.
- Q: What are the different methods of laminating steel coils?
- There are several different methods of laminating steel coils, each with its own advantages and applications. The most common methods include hot rolling, cold rolling, and continuous annealing. Hot rolling is a process in which steel is heated above its recrystallization temperature and then passed through a series of rollers to produce thin sheets or coils. This method is commonly used for producing large quantities of steel with a consistent thickness and surface finish. Hot rolled steel coils are often used in structural applications, such as construction and automotive manufacturing. Cold rolling, on the other hand, involves passing the steel coil through a series of rollers at room temperature. This process not only reduces the thickness of the steel but also improves its surface finish and mechanical properties. Cold rolled steel coils are typically used in industries that require high precision and quality, such as appliance manufacturing, electrical equipment, and automotive components. Continuous annealing is another method of laminating steel coils. It involves heating the steel coil to a specific temperature and then slowly cooling it in a controlled environment. This process helps to relieve internal stresses and improve the steel's mechanical properties, such as strength and ductility. Continuous annealing is often used for producing high-quality steel coils for applications that require superior surface finish and formability, such as automotive body panels and household appliances. Other less common methods of laminating steel coils include electro-galvanizing, which involves coating the steel with a layer of zinc through an electroplating process, and hot-dip galvanizing, where the steel coil is dipped into a bath of molten zinc. These methods are primarily used for corrosion protection and are commonly seen in the construction industry, particularly for outdoor structures and infrastructure. In summary, the different methods of laminating steel coils include hot rolling, cold rolling, continuous annealing, electro-galvanizing, and hot-dip galvanizing. Each method offers distinct benefits and is chosen based on the specific requirements of the application.
- Q: Can steel coils be used in corrosive environments?
- Yes, steel coils can be used in corrosive environments. However, it is important to select the appropriate type of steel and implement suitable protective measures such as coatings or galvanization to prevent corrosion.
- Q: What is the current value of steel? Is it expected to increase in value?
- They'd never be worth much for their steel content, likely always less than face value. They might be worth a premium as coins, but not anything you'd call an investment.
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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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