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 defects in steel coils?
- During the manufacturing or handling processes of steel coils, several defects commonly occur. These defects have the potential to impact the quality and performance of the steel, making it crucial to identify and resolve them to ensure the production of top-notch steel products. Some of the typical defects found in steel coils are as follows: 1. Edge waves or buckles: This defect arises when the edges of the steel coil become wavy or buckled. It can be caused by improper winding, uneven cooling, or excessive tension during the manufacturing process. Edge waves can pose challenges in further processing and compromise the appearance of the final product. 2. Coil breaks: Coil breaks refer to longitudinal breaks or cracks that emerge in the steel coil due to excessive strain or stress. Improper winding, uneven cooling, or excessive tension during the manufacturing process can trigger these breaks. Coil breaks can negatively impact product quality and are a major concern within the steel industry. 3. Surface defects: Scratches, pits, or stains on the surface of steel coils are considered surface defects. These can occur due to improper handling, surface contamination, or inadequate cleaning processes. Surface defects can affect the steel's appearance and may also lead to corrosion or other performance issues. 4. Slivers: Slivers are thin strips or flakes that can peel off from the edges of the steel coil. Poor edge trimming, improper handling, or defects in the rolling mill can cause these slivers. Slivers can impede further processing and may also compromise the surface quality of the final product. 5. Weld defects: Weld defects can occur in steel coils that are made by welding multiple strips together. These defects can involve incomplete fusion, porosity, or cracks in the weld area. Weld defects can weaken the steel and impact its mechanical properties, rendering it unsuitable for certain applications. 6. Shape defects: Camber, coil set, or crossbow are examples of shape defects found in steel coils. These defects can be attributed to uneven cooling, improper winding, or tension variations during the manufacturing process. Shape defects can make processing the steel challenging and may result in dimensional inaccuracies in the final product. Manufacturers and users of steel coils must be aware of these common defects and take appropriate measures to prevent or mitigate them. Implementing quality control measures, following proper handling procedures, and conducting regular inspections can aid in identifying and rectifying these defects, ensuring the production and utilization of high-quality steel products.
- Q: is cold roll or hot roll mill roller is cast steel? or cast iron?
- another name is Grey iron, come from groups of ferrous alloys
- Q: How are steel coils inspected for coil set using deflection measurement?
- Steel coils are commonly inspected for coil set, a condition where the coil exhibits a curvature along its length, by utilizing deflection measurement techniques. Deflection measurement involves applying a force on the coil and measuring the resulting deviation from its original shape. To inspect for coil set, the steel coil is placed on a testing apparatus that can apply controlled pressure to the coil. This apparatus typically consists of a set of rollers or hydraulic cylinders that can exert force on the coil's surface. The first step in the inspection process is to secure the coil in place, ensuring it is properly aligned and centered on the testing apparatus. Once the coil is in position, the apparatus applies a known force along the length of the coil. This force is typically applied in a consistent and controlled manner to ensure accurate measurements. As the force is applied, the deflection of the coil is measured using sensors or gauges positioned at specific points along the length of the coil. These sensors can detect even small deviations from the original shape of the coil. The deflection measurements are recorded and analyzed to determine the severity of coil set. Typically, a set of predetermined acceptance criteria is used to assess the coil's condition. If the recorded deflection measurements exceed these criteria, it indicates the presence of coil set. The severity of the coil set can be determined by comparing the actual deflection measurements with the acceptable range specified by the criteria. Deflection measurement is an effective method for inspecting steel coils for coil set as it provides quantitative data on the deviation from the original shape. This information allows manufacturers to identify and address any coil set issues, ensuring the quality of the steel coils before further processing or shipment to customers.
- Q: I wasn't expecting much because i knew it was cheap (Trying to avoid high prices) But anyway i cut a few bottles and cans and i noticed the very edge of the blade was starting to bend. I ignored it and tried it on a 3 inch limb, and the whole blade bent sideways where the limb hit it.I heard cold steel was supposed to be top quality and I wanted to know how durable their swords are and if they're worth it. Thanks!
- O.Adequate. First and fundamental it takes coaching and observe to use a katana. There may be a little bit component known as 'system'. You need to to search out an trainer. Except you're a fairly significant man, an O Katana is conveniently too large for you. Weapons of this way were not used for dueling, they have been further anti-cavalry weapons. As a substitute cumbersome for one in the direction of one combat. The cold steel katanas are not very regularly correct varieties of a japanese sword - missing finesse and poorly balanced. They are going to take a beating though and it seems like that's what you probably giving it. Severely, you possibly more often than not a hazard to your self and possible others round you - to search out an teacher.
- Q: What are the common methods of handling steel coils during production?
- The common methods of handling steel coils during production include using overhead cranes, forklifts, and coil tongs. These tools are utilized to lift, transport, and position the coils within the production facility. Additionally, coil cars and transfer systems are often used to move the coils between different stages of the production process. It is crucial to handle the steel coils with care to prevent damage and ensure efficiency in the production line.
- Q: Can steel coils be used in marine environments?
- Although steel coils can be utilized in marine environments, it is crucial to take necessary precautions to avoid corrosion. Given that steel is susceptible to corrosion when exposed to moisture and saltwater, which are commonly found in marine environments, it is imperative to employ protective measures on the steel coils. One such method is treating them with protective coatings like galvanization or painting to establish a shield between the steel and the corrosive elements. Moreover, regular maintenance and inspections should be conducted to detect any signs of corrosion and promptly address them to prevent further harm. By implementing these measures, steel coils can be effectively employed in marine environments while minimizing the risk of corrosion and ensuring their durability and performance.
- Q: As we all know Shaq killed the movie Steel by suckin so bad but does anyone know what happened to the comic book version.
- Addendum to the previous answer - although he doesn't have his own comic currently, John Henry Irons still appears in comics, most recently in several issues of 52.
- Q: How are steel coils tested for dimensional accuracy?
- Steel coils are typically tested for dimensional accuracy using various methods such as measuring the width, thickness, and diameter of the coil. This can be done using specialized instruments like calipers, micrometers, and laser scanners to ensure the coil's dimensions meet the required specifications.
- Q: any one have an opinion? i've heard steel cut oatmeal is better for you...
- Old fashioned is the whole oat - the steel cut is oats all cut up. The steel cut is more mushy when prepared while the old fashioned has that good thick texture and feel to it.
- Q: is there a type of steel that is stronger or does the rail represent the top of the line?
- consumer-friendly steel is used however the rails are tempered to cause them to stand up to the pounding they get from the practice wheels,the intense velocity trains utilized in Europe are made up of a greater variety of steel in accordance to organization who makes them in Germany ,i think of it replaced into Krupp's of Germany who cause them to
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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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