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: How many percent carbon in low alloy steel and high alloy steel
- Steel is basically an alloy of iron and carbon that has more than 0% carbon and less than 2% carbon. The alloy of carbon and iron with more than 2% carbon is considered cast iron. The bessemer process converts cast iron to steel by injecting oxygen into molter cast iron to burn off the excess carbon. Steel is also modified by adding additional elements like silicon, molydenum, vanadium, chrome, etc.
- Q: Is Carbon Steel strong for swords?
- Yes. Most high quality knives are made of carbon steel versus say stainless steel. High strength carbon steel holds an edge well and is strong.
- 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 temperature and time of the heat treatment, the level of mechanical stress and strain during rolling and cooling, and the presence of any impurities or defects in the final product.
- Q: What is the role of steel coils in the supply chain?
- Steel coils play a crucial role in the supply chain, particularly in the manufacturing and construction industries. These coils, which are typically made from hot-rolled steel, serve as a primary raw material for a wide range of products, including automobiles, appliances, construction materials, and various other industrial goods. The supply chain for steel coils begins with the production of raw steel, which is then processed and shaped into coils at steel mills. These coils are subsequently transported to various manufacturing facilities where they are transformed into finished products. Throughout this process, steel coils act as an intermediary product that is easily transportable, stackable, and can be easily manipulated to fit different manufacturing requirements. One of the key advantages of using steel coils in the supply chain is their strength and durability. Steel is known for its high tensile strength, which enables it to withstand significant loads and pressures. This makes steel coils ideal for applications that require robust materials, such as structural components in buildings, heavy machinery, and vehicles. Moreover, steel coils are highly customizable, allowing manufacturers to tailor the dimensions and specifications of the coils to meet their specific needs. This flexibility ensures that the supply chain can efficiently deliver steel coils that align with the requirements of different industries and projects. In terms of logistics, steel coils are typically transported in large quantities using specialized equipment such as flatbed trucks, railcars, or even ships. Efficient logistics planning is essential to ensure on-time delivery and minimize transportation costs. Additionally, proper storage and handling are crucial to prevent damage to the coils during transit and storage. Overall, steel coils play an integral role in the supply chain by serving as a versatile raw material that can be shaped and transformed into various end products. Their strength, durability, and flexibility make them a vital component in industries that rely on high-quality steel, ultimately contributing to the overall economic growth and development of numerous sectors.
- Q: What are the common methods of protecting steel coils from corrosion during storage?
- There are several common methods used to protect steel coils from corrosion during storage. These methods are employed to prevent moisture and other environmental elements from coming into contact with the steel coils, which can lead to corrosion. 1. VCI (Volatile Corrosion Inhibitor) Packaging: VCI packaging is a widely used method for protecting steel coils. VCI materials are incorporated into the packaging, such as plastic bags or films, which release a vapor that forms a protective layer on the surface of the steel coils. This layer prevents moisture and other corrosive agents from reaching the steel, thus inhibiting corrosion. 2. Oil Coating: Another widely used method is to apply a thin layer of oil on the surface of the steel coils. The oil acts as a barrier, preventing moisture and oxygen from coming into contact with the steel. This method is particularly effective for long-term storage or transportation of steel coils. 3. Desiccants: Desiccants, such as silica gel packets, can be placed inside the packaging to absorb any moisture that may be present. By reducing the humidity levels inside the packaging, the risk of corrosion is minimized. This method is often used in conjunction with VCI packaging or oil coating. 4. Proper Ventilation: Adequate ventilation is necessary to prevent the accumulation of moisture around the steel coils during storage. By allowing air to circulate freely, it helps to reduce the humidity levels and prevents the formation of condensation, which can lead to corrosion. 5. Controlled Environment: Storing steel coils in a controlled environment can be an effective way to prevent corrosion. This involves maintaining a constant temperature and humidity level, which are not conducive to corrosion. Temperature and humidity control can be achieved through the use of air conditioning or dehumidification systems. It is important to note that the specific method or combination of methods used to protect steel coils will depend on various factors, such as the duration of storage, the environmental conditions, and the specific requirements of the steel coils. Regular inspections and maintenance are also crucial to ensure the ongoing protection of the steel coils from corrosion.
- Q: what are the characteristics when of iron or steel when stretched? which one could be stretched further? which one stretches more evenly?thankyou
- Technically, this is known as ductility. a material which can be permanently bent and stretched is said to be ductile. Pure iron, when it lacks carbon and impurities like sulfur and phosphorus, is relatively soft, ductile, and weak. It's about as soft as brass. It can be stretched to about 50% of it's original length before it breaks. The amount a sample can be stretched without breaking is known as elongation. The key to steel is the addition of about 2 parts per thousand of carbon, or around 0.2%. This alters the crystal structure and makes steel much harder, stronger, and tougher, though it also becomes somewhat less ductile. Mild steel, with a low carbon content, has an elongation of around 30% Adding more carbon makes the steel yet stronger, but further reduces the elongation. Adding more than 2-3% carbon produces what is known as Cast Iron. Cast iron is brittle. It has virtually no ductility. It's pretty cheap to produce though.
- Q: How do steel coils affect the quality of finished products?
- Steel coils can have a significant impact on the quality of finished products. Their quality, including dimensions, surface condition, and mechanical properties, directly affects the final product's strength, durability, and appearance. Coils with inconsistent dimensions or surface defects can lead to uneven or weak finished products. Similarly, if the mechanical properties of the coils do not meet the required specifications, it can compromise the performance and functionality of the end product. Therefore, ensuring the high quality of steel coils is crucial for achieving superior finished product quality.
- Q: How are steel coils measured for thickness?
- Steel coils are measured for thickness using a device called a micrometer or a thickness gauge. The micrometer is pressed against the coil's surface, and the measurement is displayed on its calibrated scale, providing an accurate reading of the steel coil's thickness.
- Q: Hey Guys, I'm planning on purchasing a bmx bike and I have been recommended by many people the Kink Launch 2012. I'm thinking of getting it but the frame is made from High Tensile steel and I know the chromoly is stronger and more expensive, but I plan to use my bmx just to chill, ride with friends and some times go through dirt trails at my park, I would like to know, how strong Hi Tensile steel is and can it handle jumps not massive jumps but like jumps where you get like 3 feet high (1m) just for fun, I might go to the skate park but I'm not gonna do tail whips and massive jumps, I just want it as a mobile piece of transportation. I don't want to buy a mtb because I already had 3 of them and they are not practical to take with you on holidays.So, do you think the Kink Launch 2012 is good enough or should I cough up an extra $80 and get the gap ($500 AU)? As I said I ain't gonna do huge jumps.
- High tensile steel could mean almost anything. SAE 4130 Chrome-Moly steel is the de-facto standard for steel bikes frames. High tensile steel could actually mean the same thing since chrome-moly is classified as high strength steel. The strength of the frame depends as much on the quality of the welds and on the size/thickness of the tubing as much as anything else. I'd say what kind of steel you use makes only a minor difference. One reason you want to buy bikes from reputable name-brand companies is they tend to have strict quality controls, this is particularly important when it comes to welds. Welds are always the weakest part of any bike frame, don't let anyone tell you different. 99% of the time if something in the frame breaks, it'll be at the welds. hope this helps.
- Q: What are the main raw materials used in making steel coils?
- The main raw materials used in making steel coils are iron ore, coal, and limestone.
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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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