Al-Zinc coated Steel Rolled Coil for Steel Roofing
- Loading Port:
- Tianjin
- 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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Structure of Al-Zinc coated steel coil
Description of Aluminum Zinc Rolled Coil
The detailed information for the Al-Zinc coated steel coil is as following and it is mainly using for roofing producing, making ceiling grid and all kinds of roll forming structure.
Thickness: 0.20mm to 1.20mm
Width: 914mm, 1000mm, 1200mm, 1219mm and 1250mm, or slit narrow strip according to customer request, can be slit from 20mm to 610mm.
Coil ID: 508mm
Coil weight: 3 tons to 6 tons
Thickness tolerance: +/- 0.02mm or according to customer request.
Main Feature of Al-Zinc coated steel coil
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 Al-Zinc coated steel coil
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 Al-Zinc coated steel coil
Prepainted galvanized steel coil ( PPGI ) | Prepainted galvalume steel coil ( PPGL ) | |
Standard | JIS G3312 CGCC | J IS G3322 CGLCC |
Valid thickness | 0. 16 ~1. 2 0mm | 0. 16 ~1. 2 0mm |
Coil width | 600~1250mm | 600~1250mm |
Coil ID | 508mm & 610mm | 508mm & 610mm |
Coil weight | 3~5 tons | 3~5 tons |
Coating | 4 0~275 g/m2 | AZ30 to AZ150 |
Paint t hickness , top side | 15~25 microns | 15~25 microns |
P aint t hickness , reverse | 5~7 microns or 15~25 microns | 5~7 microns or 15~25 microns |
Color | any RAL code | any RAL code |
Package | vertical, eye to sky & horizontal | vertical, eye to sky & horizontal |
MOQ | 50 tons | 50 tons |
FAQ of Al-Zinc coated steel coil
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:Is Ace Steel's wrestling school still running?And do you know if their are any other wrestling schools in chicago?
- Steel Domain
- Q:What are the different methods of annealing steel coils?
- Steel coils can be annealed using various methods, each with its own advantages and applications. Full annealing, process annealing, and spheroidize annealing are the main methods. The most common method is full annealing, wherein the steel coils are heated above their critical point (usually between 800 and 900 degrees Celsius or 1472 and 1652 degrees Fahrenheit) and then slowly cooled in a controlled manner. This process refines the grain structure of the steel, making it softer and more ductile. Full annealing is employed to relieve internal stresses, enhance machinability, and improve the overall mechanical properties of the steel. Process annealing, sometimes called subcritical annealing or stress relief annealing, is used to reduce the hardness and brittleness of steel coils. It involves heating the coils below their critical point (typically between 550 and 650 degrees Celsius or 1022 and 1202 degrees Fahrenheit) and then slowly cooling them. This method relieves internal stresses that may have developed during previous manufacturing processes like cold working or welding. Process annealing is commonly used to enhance the formability and toughness of steel coils. Spheroidize annealing is a specialized form of annealing that softens high carbon and alloy steels. It entails heating the steel coils slightly below their critical point (usually between 650 and 700 degrees Celsius or 1202 and 1292 degrees Fahrenheit) and holding them at that temperature for an extended period. This allows the carbides within the steel to transform into rounded or spheroidal shapes, thereby increasing machinability and ductility. Spheroidize annealing is frequently employed in the production of cutting tools, bearings, and other applications that require improved machinability. In addition to these main methods, there are variations and specialized techniques like recrystallization annealing, intercritical annealing, and solution annealing. Each method has specific parameters and temperature ranges. The choice of annealing method depends on factors such as the type of steel, desired mechanical properties, and intended application of the steel coils.
- Q:How are steel coils priced in the market?
- Steel coils are typically priced in the market based on factors such as the current demand and supply dynamics, the quality and grade of the steel, the production and transportation costs, and any additional charges or taxes. The pricing can also be influenced by global economic trends, trade policies, and currency fluctuations.
- Q:How are steel coils used in the production of metal doors and windows?
- Metal doors and windows rely on steel coils as a vital element for their production. These coils, usually crafted from high-grade steel, act as the primary raw material in the manufacturing process. To begin, the uncoiling process is crucial when utilizing steel coils. The coils are unwound and introduced into a machine called a roll former. This machine meticulously molds the steel into the desired shape for the door or window frame. Before entering the roll former, the steel is typically cut to the necessary length. Once the steel has been shaped, it undergoes a series of additional manufacturing processes. These processes may involve creating holes for hardware installation, bending the steel to form specific angles or curves, and welding different sections together to construct a complete frame. The steel coils provide the essential structural integrity and durability required for these processes. Furthermore, steel coils also play a critical role in enhancing the visual appeal of metal doors and windows. They can be coated with various finishes, such as galvanized or powder-coated, to protect against corrosion and enhance the overall appearance of the final product. These coatings not only add an extra layer of durability but also allow for customization to match different architectural styles and design preferences. In conclusion, steel coils serve as the foundational material in the production of metal doors and windows. They are shaped, cut, and processed to create the necessary components for these products. Additionally, steel coils can be coated to improve their durability and aesthetic appeal. Ultimately, these coils significantly contribute to the strength, durability, and overall quality of metal doors and windows.
- Q:I am about to do a welding project and we are instructed to only use mild steel. I want to use found objects like coins, spoons, bottle caps, screws, and other small fasteners. Are these mild steel? What other objects can I use that are mild steel?
- not really. Coins aren't usually made from steel (e.g. an US cent is mainly zinc which will melt with releasing toxic fumes while welding), spoons are usually stainless steel (which is not mild steel), bottle caps can be steel but also aluminum. Fasteners can be made from a wide variety of metals. Generally mild steel is steel with a relatively low content of carbon (2%) which makes it easier to weld. It's used a lot for structure in building (e.g. rebar). Mild steel is also cheaper than other kinds of steel. Tools are usually made from high carbon steel. Generally I'd recommend to go to the scrap yard and pick up some shapes and pieces you like if you don't mind having to clean the rust off. Most will be mild steel. Welding small and thin pieces is much more challenging than welding larger pieces of metal. You are more likely to melt a bottle cap than weld it. Also your steel needs to be clean (no paint, sandblast or brush rust off). I would highly recommend to talk your project over with your teacher before you get all frustrated.
- Q:What are the dimensions of steel coils used in the railway equipment industry?
- The dimensions of steel coils used in the railway equipment industry can vary depending on the specific application and requirements. However, common dimensions for railway steel coils typically range in thickness from 1.5mm to 25mm and in width from 600mm to 2000mm. The inner diameter of the coil is typically around 508mm, while the outer diameter can range from approximately 900mm to 2000mm.
- Q:How are steel coils used in the manufacturing of power transmission towers?
- Steel coils are used in the manufacturing of power transmission towers as they are shaped and formed into the required structural components, such as beams and brackets. These coils are processed through rolling mills to obtain the desired thickness and shape, ensuring the strength and durability of the towers. The steel coils provide the necessary strength and structural integrity to support the weight of the transmission lines, withstand environmental conditions, and ensure reliable power transmission.
- Q:Can steel coils be coated with anti-static materials?
- Yes, steel coils can be coated with anti-static materials to help reduce or eliminate static electricity buildup and discharge. Anti-static coatings are commonly applied to various surfaces, including metals, to prevent damage to sensitive electronic components, improve safety, and enhance overall product performance.
- Q:What are the dimensions of steel coils?
- The dimensions of steel coils vary depending on factors such as the specific type of steel, the intended use, and industry standards. Generally, steel coils can range in width from a few inches to several feet, with thicknesses typically ranging from a fraction of an inch to several millimeters. The inner diameter of a steel coil can also vary, with common sizes being 20 inches and 24 inches. Ultimately, the dimensions of steel coils are determined by the specific needs and requirements of the end user.
- Q:How are steel coils used in the production of metal cabinets?
- Steel coils are a vital element when producing metal cabinets, as they consist of thin steel sheets tightly wound into coils. To begin using steel coils for metal cabinet production, the first step is to uncoil them. This involves unwinding the coil and feeding the steel sheet into a machine that cuts it to the desired length, depending on the size and dimensions of the metal cabinet being manufactured. Once the steel sheet has been cut, it undergoes a process known as blanking. This entails cutting out the necessary panels and parts for the metal cabinet, including the sides, top, bottom, and doors. The blanking process is typically carried out using a stamping press or laser cutting machine to ensure precise shaping of the steel sheet. Following the blanking process, the individual panels are then formed and shaped using a series of bending and forming machines. These machines apply pressure and force to the steel panels, bending them into the desired shape and creating the necessary angles and curves required for the metal cabinet design. After the panels have been formed, they are typically joined together using welding or fastening techniques. Welding involves using heat to fuse the edges of the steel panels together, while fastening techniques may involve the use of screws, bolts, or rivets to securely hold the panels in place. In summary, steel coils are essential in the production of metal cabinets as they provide the raw material for creating the individual panels. The use of steel coils allows for greater flexibility and efficiency in manufacturing metal cabinets, enabling mass production and customization of cabinet designs.
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Al-Zinc coated Steel Rolled Coil for Steel Roofing
- Loading Port:
- Tianjin
- 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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