High Anti-Corrosion Prime Prepainted Galvanized Steel Coils
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 300000 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 main factors that affect the flatness of steel coils?
- The main factors that affect the flatness of steel coils are the quality and thickness of the steel material, the tension and speed of the rolling process, the temperature and cooling rate during the cooling process, and any potential defects or imperfections in the machinery used for rolling and cooling the steel coils.
- Q:How are steel coils used in the production of furniture components?
- Due to their strength, durability, and versatility, steel coils are frequently utilized in the manufacturing of furniture components. These coils, crafted from high-quality steel, undergo a process of uncoiling before being fed into a machine known as a stamping press. Within the stamping press, a die is employed to shape and cut the steel coil into various components necessary for furniture production, such as chair frames, table legs, or brackets. The utilization of steel coils facilitates the mass production of furniture components with uniform dimensions and exceptional accuracy. The robustness of steel guarantees that these components can withstand heavy loads, providing stability to the furniture. Additionally, steel coils possess the ability to be effortlessly molded into diverse shapes and sizes, enabling the creation of a vast array of furniture designs. Furthermore, steel coils are frequently subjected to protective treatments or coatings, such as paints or galvanization, in order to enhance their resistance to corrosion, moisture, and wear. This ensures that the furniture components possess a longer lifespan and retain their aesthetic appeal over time. In conclusion, the presence of steel coils plays a vital role in the production of furniture components, as they offer strength, durability, and versatility. They enable the mass production of precise and consistent components, while their protective coatings guarantee the durability and quality of the final furniture products.
- Q:What are the major challenges faced by steel coil manufacturers?
- Steel coil manufacturers encounter various obstacles across different areas. These challenges can be grouped into several key categories. Firstly, one of the primary hurdles is the fluctuating prices of raw materials, such as iron ore and coal, which are vital for steel production. To maintain profitability, manufacturers must constantly monitor and adjust their pricing strategies to mitigate the impact of these fluctuations. Secondly, intense competition arises from both domestic and international players in the steel coil manufacturing industry. Globalization has increased the availability of steel coils from various regions. Therefore, manufacturers must differentiate themselves through quality, pricing, and customer service to remain competitive. Thirdly, the steel industry is continuously evolving and adopting new technologies. Manufacturers need to invest in modern equipment and machinery to improve efficiency, reduce costs, and meet stringent quality standards. However, keeping up with technological advancements can be challenging, particularly for smaller or financially unstable manufacturers. Fourthly, steel production is a resource-intensive process that significantly impacts the environment. Governments worldwide have imposed stricter regulations on emissions, waste disposal, and energy consumption. Compliance with these regulations requires substantial investments in pollution control technologies and sustainable practices. Fifthly, the steel industry requires a skilled workforce with expertise in areas such as metallurgy, engineering, and operations. However, attracting and retaining skilled employees is challenging due to a shortage of qualified personnel. Manufacturers must invest in training and development programs to ensure a competent workforce and maintain operational excellence. Sixthly, steel coil manufacturers are highly sensitive to economic fluctuations. During economic downturns, demand for steel products decreases, leading to excess capacity and lower profit margins. Conversely, during economic booms, manufacturers may struggle to meet increased demand and ensure timely delivery. Lastly, transportation and logistics present a significant challenge for steel coil manufacturers due to the bulky and heavy nature of their products. Optimizing supply chain management, coordinating with freight partners, and ensuring timely delivery across various geographies can be complex and costly. In conclusion, steel coil manufacturers face challenges in several areas, including raw material costs, global competition, technological advancements, environmental regulations, skilled workforce requirements, economic volatility, and transportation logistics. Overcoming these challenges necessitates proactive strategies, continuous improvement, and a focus on innovation to remain competitive in the industry.
- Q:Can steel coils be used in the food processing industry?
- No, steel coils are not typically used in the food processing industry due to the risk of contamination and potential health hazards. Food-grade materials such as stainless steel are preferred for their hygienic properties and ability to withstand high sanitary standards.
- Q:How are steel coils used in the production of steel containers?
- Steel containers rely heavily on steel coils as a vital component in their production. These coils, made from flat-rolled steel, serve as the foundation for the container's main body. To start the process, the steel coils are unwound and fed into a rolling mill. Here, they undergo a sequence of procedures to shape and mold the steel. One of these steps involves heating the coils to a specific temperature, making them more malleable and easier to manipulate. Subsequently, the hot coils pass through a series of rollers that gradually reduce their thickness and elongate them to the desired size. This entire procedure is referred to as hot rolling. Once the steel coils have been rolled to the necessary thickness, they are then cooled and transformed into sheets. These sheets are further treated to eliminate any imperfections or irregularities, guaranteeing a smooth and even surface. This is accomplished through processes like pickling, where acid is used to remove any scale or rust, and cold rolling, where the sheets are passed through rollers at room temperature to achieve the desired thickness and surface finish. After the sheets have been cleaned and refined, they are molded into the shape of the container. This typically involves a technique known as stamping, in which hydraulic presses are used to press the steel sheets into a mold. The mold determines the container's shape and size, and the steel sheets are pressed against it with great force, resulting in the desired container shape. Once the containers have been formed, they undergo several finishing processes, including welding, painting, and coating. These processes are carried out to enhance the containers' durability, appearance, and resistance to corrosion. These final touches ensure that the steel containers meet the necessary standards and are of high quality for their intended use. In conclusion, steel coils are of paramount importance in the manufacturing of steel containers, as they provide the raw material needed for their production. Through a series of steps, the steel coils are shaped, cut, and formed into sheets, which are then further processed and molded into the desired container shape. The outcome is a robust and dependable steel container suitable for various applications across industries.
- Q:What are the different grades of steel used in coil production?
- There are several grades of steel used in coil production, including low carbon steel, high carbon steel, stainless steel, and galvanized steel. Each grade has its own unique properties and is chosen based on the specific requirements of the coil application.
- Q:How are steel coils used in the manufacturing industry?
- Steel coils are used in the manufacturing industry for a variety of purposes such as making automotive parts, appliances, construction materials, and machinery. The coils are typically unwound and processed into sheets or strips, which can then be shaped, cut, or formed into the desired finished product. The versatility, strength, and durability of steel make it a valuable material in the manufacturing process, and the use of coils helps maximize efficiency and productivity.
- Q:I was wondering if anyone knew the grade/type of steel for this product. I'd like to use it as stock for a knife blade, but would like to know the specs so I can determine if it is suitable and, if so, how best to heat treat it.Thanks.PS: I know it isn't stainless, but that leaves a lot of other steel types.
- 1018 mild steel. Not suitable for bladesmithing. If you can't heat treat find an old file, grind it out (keep it cool) and put in an oven 400F. Modern car/truck springs are 5160 med chrome steel, a good blade quality steel and forgiving on the anvil/heat treat.
- Q:What is the process of recoiling steel coils?
- The process of recoiling steel coils involves uncoiling the steel coil, straightening any bends or kinks, and then rewinding it into a tighter coil, ready for further processing or transportation.
- Q:I have heard of Cold Rolled steel, Castle Forged steel and Valerian steel and i was just wondering the difference between them.I know Valerian steel is by far the strongest and durable but what about the other two types? Do you know because i haven't read all the books yet.
- Cold rolled steel is referring to rolled steel. It is referring to weapons made from rolled steel that is unrolled and stamped out. In real-life, rolled steel isn't nearly as strong as steel that is cast and forged. Think of a cheap dinner fork that you can easily bend and a nice dinner fork you can't bend at all. The cheap fork is stamp-pressed out of rolled steel and the nice fork is cast. In Game of Thrones, cold rolled steel is crap, but it's cheep and common. Castle forged steel is the best most people have available, much higher quality than cold rolled steel. Presumably it's forged in the castles of Westeros, including King's Landing. Valerian steel is special, rare steel that was anciently forged that is stronger than any other steel. They no longer make Valerian steel since the fall of Valeria. As such, the only Valerian steel available is by getting it from things already made. In real-life, it might be comparable to the extremely high quality steels forged into ancient katanas, ninja fighting swords from Japan. The Lanisters took a sword made of Valerian steel that had been passed down to Ned Stark and had it melted down, recast, then forged into two smaller swords.
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High Anti-Corrosion Prime Prepainted Galvanized Steel Coils
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 300000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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