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 challenges in coil leveling for coated steel?
- Coil leveling for coated steel presents several challenges due to the additional layer of coating. Firstly, the coating can be sensitive to pressure and friction, making it prone to damage during the leveling process. Maintaining the integrity of the coating while achieving the desired flatness of the steel is a delicate balance. Additionally, the thickness of the coating can vary across the coil, leading to uneven leveling results. The choice of leveling equipment and parameters must be carefully determined to minimize coating damage and ensure consistent flatness throughout the coil. Moreover, the presence of coating can impact the accuracy of leveling measurements, as it may interfere with the sensors or affect the readings. These challenges require careful attention and expertise to successfully level coated steel coils while preserving the quality of the coating.
- Q:How are steel coils used in the manufacturing of automotive exhaust systems?
- Steel coils are used in the manufacturing of automotive exhaust systems as they are formed into specific shapes and sizes to create the necessary components, such as pipes, mufflers, and catalytic converters. The coils are precision-cut, welded, and bent to fit the design requirements and ensure efficient exhaust flow, durability, and resistance to high temperatures and corrosion.
- Q:I have a steel string, Yamaha acoustic guitar that I am learning to play at home. But at school I use a rented nylon string guitar. I like the feel of the nylon strings better then the steel strings and i was wondering if i can just switch strings or if i should just get another guitar. Can anyone help?
- No, a steel string guitar is built and braced for the greater tension of steel strings, which means it's too heavily built to respond properly to nylon strings. It would sound awful. Besides, the slots in the nut are too narrow on a steel-string, the action is too low, and the bridge is made for ball end strings (most high quality nylon strings are plain end). And you would have to turn the narrow string posts on steel-string tuners forever to get anywhere with stretchy nylon strings.
- Q:I'm a big fan of stainless steel and sterling silver, but not of the humidity of the country I'm in. Therefore I sweat more. Gross, I know. I'm buying a necklace chain for my ring.So does sweat contribute to tarnishing of silver and steel? The real kind?
- steel shouldn't really tarnish, it rusts and moisture increases that. Silver tarnishes when exposed to air and sulfur. Moisture increases the process a bit, but it happens anyway. Sweat is not gross, it's a necessary function of your body, otherwise you would die. A lot of sports people wear jewelry and they sweat a lot. If you wear the jewelry all the time, that will prevent the tarnish a bit. If you take it off, clean it (water and dish washing liquid), dry it and put it in a zip lock back to keep it away from air and moisture. In the end, cleaning the jewelry is quick and easy so don't worry about it.
- Q:How do steel coils compare to other materials, such as aluminum or copper?
- Steel coils have several advantages over other materials such as aluminum or copper. Firstly, steel is generally stronger and more durable, making steel coils less prone to damage or deformation. Additionally, steel has better heat resistance and can withstand higher temperatures, making it suitable for a wider range of applications. Steel coils also tend to be more cost-effective compared to aluminum or copper, making them a popular choice in various industries.
- Q:What are the different types of steel coil storage containers?
- There are several types of steel coil storage containers, including coil racks, coil cradles, coil saddles, and coil cars.
- Q:How are steel coils used in the production of packaging materials?
- Steel coils are used in the production of packaging materials as they are commonly used to manufacture metal cans, containers, and drums. These coils are processed and shaped into various forms to create sturdy and durable packaging options for a wide range of products, such as food, beverages, chemicals, and industrial goods.
- Q:What are the different surface finishes for steel coils?
- The different surface finishes for steel coils include hot rolled, cold rolled, galvanized, coated, and brushed.
- Q:Procedures for sharpening a knife with the stone and the steel?
- If you are lucky and have a whet stone block you need some patience water or light machine oil. Take your time and work in circular motion at a slight angle as to put an edge where you want it. I tend to think of it like polishing and work the length of the blade. If you work with a steel you are suppose to pull the blade across the steel at an angle. I have forgotten the angle but if you attempt this you soon find that you can associate a certain feel of the way the blade crosses the steel and know when you have it right and check the blade periodically until you have it the way you want it. There are some other sharpeners out there where you just draw the blade thru a device and they work as well. I was taught the old ways with the stone and the steel and don't know the actual prescribed angles but can tell you that you will be able to eye ball the angle and you don't have to use heavy pressure. These processes won't work on a serrated blade!
- Q:Two different shaving razors I'm looking to buy have different specs. in terms of the metals used for the blade; one being 1045 surgical stainless steel, the other 440 stainless (not sure if its A B or C, but probably 440A or 440B because it's not specified). So which one is better for the intended use as a shaving razor?
- yes a stainless steel 440 knife is really good my uncle bought one back in 1979 and has been having it without any problems the blade is still razor sharp even at 35 years old
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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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