Prepainted Rolled Steel Coil for construction Roofing
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
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 are steel coils used in the production of metal fixtures?
- The production of metal fixtures relies heavily on steel coils, an indispensable element. Typically composed of carbon steel, these coils act as the primary raw material for manufacturing a diverse array of metal fixtures. To begin the process, the steel coils are initially uncoiled and subsequently cut into sheets of the desired size and thickness. These sheets serve as the fundamental material for various types of metal fixtures, including brackets, hinges, handles, and other structural components. Once the sheets have been cut, they undergo a series of shaping procedures, such as bending, stamping, or rolling. These procedures are crucial in molding the steel sheets into the specific design required for each metal fixture. For instance, bending can be utilized to create brackets or angles, while stamping can form intricate patterns or shapes. Following the shaping procedures, it is common for the steel sheets to undergo welding or joining techniques, which are employed to assemble multiple components of the metal fixture. Through welding, the various parts are securely attached, ensuring strength and durability in the final product. Moreover, steel coils also play a vital role in enhancing the appearance and extending the lifespan of metal fixtures. They can be coated or treated with protective layers, such as galvanized or powder coatings, to prevent corrosion and provide a polished finish. These coatings guarantee that the metal fixtures can withstand environmental factors and prolong their durability. To summarize, steel coils are an indispensable component in the production process of metal fixtures. They are transformed into sheets, which are then shaped, joined, and coated to create a wide range of functional and aesthetically pleasing metal fixtures utilized across various industries.
- Q: How are steel coils packaged for transportation?
- Steel coils are typically packaged for transportation by wrapping them tightly with steel straps or bands to secure them in place. The coils are usually placed on wooden pallets or skids for easy handling and loading onto trucks or shipping containers. Additionally, protective materials such as cardboard or plastic edge protectors may be used to prevent damage to the coils during transportation.
- Q: What are the different types of steel coatings used on coils?
- There are several types of steel coatings used on coils, including galvanized, galvannealed, and organic coatings. Galvanized coatings involve applying a layer of zinc to the steel surface, providing excellent corrosion resistance. Galvannealed coatings involve a two-step process where the steel is first galvanized and then heated to form an alloyed surface layer, offering enhanced paint adhesion and weldability. Organic coatings, on the other hand, use paints or other protective coatings to provide corrosion resistance and aesthetic appeal.
- Q: What bike companies make the best Steel Road bikes?
- Lots of good companies out there. Surly Pacer is one to check out.
- Q: I worked REALLY HARD basically begged my dad to let me stretch my ear lobe piercings. He finally said yes, as long as I don't pass 2g. c: So, we went to Hot Topic to buy tapers, but I don't know if I should get Steel or Acrylic tapers. Which ones are better to start off with?
- Steel
- Q: What are the different types of steel coil surface treatments for indoor applications?
- The different types of steel coil surface treatments for indoor applications include hot-dip galvanizing, electro-galvanizing, and organic coating.
- Q: How long can steel coils be stored?
- Steel coils can be stored for an extended period of time, typically ranging from a few months to several years, depending on various factors such as the type of steel, storage conditions, and protective measures taken.
- Q: How are steel coils inspected for edge quality using visual inspection?
- To ensure that steel coils meet the necessary standards and specifications, visual inspection methods are employed to assess their edge quality. This involves carefully examining the edges of the coils to identify any defects or imperfections that may have occurred during manufacturing or handling. During this inspection process, trained inspectors visually assess the edges of the steel coils for various parameters, such as burrs, cracks, unevenness, roughness, and other irregularities that could impact the steel's quality and performance. To conduct these assessments, they utilize specialized tools like magnifying glasses, microscopes, or cameras to closely observe and analyze the edges. Each coil is meticulously inspected by the inspectors to detect any signs of defects that could potentially affect the steel's functionality or integrity. They pay meticulous attention to detail, ensuring that the edges are smooth, devoid of sharp edges or protrusions, and possess consistent dimensions throughout the coil. Apart from visual inspection, inspectors may also employ specific testing methods like dye penetrant testing or ultrasonic testing to further evaluate the quality of the steel coil edges. These supplementary tests aid in detecting any hidden defects that may not be visible to the naked eye. As a whole, visual inspection plays a vital role in the quality control process for steel coils by allowing for the identification and elimination of edge defects that could compromise the steel's performance and durability. By ensuring that the edges meet the required standards, visual inspection helps to uphold the quality and dependability of the steel coils.
- Q: I noticed that Jimmy Page finger picked on a steel acoustic guitar on quite a few tracks like Stairway to heaven and other ones and I was wondering how did he do it? I know it is more difficult to finger pick on a steel acoustic because of the rougher steel strings and higher tensions so I was wondering do they make specific strings that allow for fingerstyle playing? Also Randy Rhoads finger picked a steel acoustic on Dee along with a Classical guitar.
- First okorder /... In truth their are many, many players who finger pick acoustic guitars, once you get the hang of the various picking patterns it's not extremely difficult to do. There aren't really any specific strings that are required to finger pick. It will mostly come down to the players preference and the type of music they are doing. It is actually more difficult to finger pick an electric guitar since you have less room between the strings and the pickup so you will find that a lot of times you will hit the pickup with the metal finger pick which can be a bit disturbing but practice helps. Pat SImmons of the Doobie Brothers uses finger picks on a Gibson ES335 all the time.
- Q: How are steel coils inspected for flatness using optical sensors?
- The process of inspecting the flatness of steel coils involves the use of optical sensors, which are part of a system known as optical flatness measurement. This system employs high-resolution cameras to capture images of the steel surface as it passes through the inspection line. To begin, the steel coil is unwound and conveyed over a roller table. While in motion, the optical sensors are positioned above the coil to capture images at regular intervals. These sensors are typically a combination of laser line projectors and high-resolution cameras. The laser line projectors emit a thin, straight line of laser light across the width of the steel coil. This laser line serves as a reference plane for measuring the flatness of the steel surface. Subsequently, the high-resolution cameras capture images of the laser line interacting with the steel coil. The captured images are then subjected to analysis using advanced image processing algorithms. These algorithms examine the deformation of the laser line on the steel surface and calculate the deviations from the flat reference plane. These deviations indicate any irregularities or variations in the flatness of the steel coil. The optical sensors possess the capability to accurately detect even the most minute deviations in flatness, measuring them in micrometers or smaller units. This enables manufacturers to identify and correct any flatness issues in the steel coils before further processing or shipment. In addition to measuring flatness, optical sensors can also identify other surface defects such as waviness, scratches, or dents. By incorporating multiple cameras and laser line projectors from different angles, a comprehensive inspection of the steel coil's surface can be achieved. Overall, the utilization of optical sensors for inspecting steel coil flatness offers a swift, precise, and non-contact method. By identifying and addressing any flatness issues early in the production process, manufacturers can guarantee the delivery of top-quality steel products to their customers.
Send your message to us
Prepainted Rolled Steel Coil for construction Roofing
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords
