Al-Zinc coated steel Coil For Construction Roof

Al-Zinc coated steel Coil For Construction Roof System 1

Al-Zinc coated steel Coil For Construction Roof

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 30000 m.t./month

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Structure of Al-Zinc coated steel coil

Al-Zinc coated steel Coil For Construction Roof

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 ASTM A755M EN10169	J IS G3322 CGLCC AS 1397 G2+AZ
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	25 tons	25 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: rust is not a issue. i was looking a D2 steel but heard story's of it chipping and breaking: A okorder /

Q: What are the challenges in coil slitting?: Coil slitting, a method used to divide large metal coils into narrower strips of desired widths, has its advantages in terms of efficiency and flexibility. However, it also comes with several challenges. One of the primary obstacles in coil slitting is the need to ensure consistent strip width accuracy. To achieve this, it is crucial to maintain uniform width measurements throughout the process. Any deviation in strip width can have downstream effects on the production line, impacting the quality and functionality of the final product. Overcoming this challenge requires the use of precise slitting equipment and careful monitoring of process parameters. Another challenge lies in managing the quality of the strip edges. The edges of the slit strips play a critical role, particularly in applications where they must be free from imperfections like burrs. Attaining clean and smooth edges necessitates proper blade selection, positioning, and maintenance. Any defects or irregularities on the strip edges can affect subsequent processes such as bending, welding, or coating. Additionally, the type of material being slit can pose challenges. Certain metals, such as high-strength steels or alloys, may be more difficult to cut due to their hardness or brittleness. Slitting these materials can result in blade wear and premature failure, leading to increased downtime and maintenance costs. Moreover, the presence of contaminants or surface defects on the coil can also impact the slitting process, requiring additional cleaning or preparation steps. Handling and processing large coils present another significant challenge. Coils can be cumbersome and heavy, necessitating proper equipment and procedures to ensure safe handling. Furthermore, the slitting process generates a significant amount of scrap material, which needs to be efficiently managed and disposed of. Proper storage, transportation, and recycling of the scrap are essential to minimize waste and maintain a clean and organized working environment. In conclusion, coil slitting offers benefits in terms of customization and productivity. However, it also poses challenges in maintaining strip width accuracy, managing edge quality, dealing with difficult materials, and handling large coils and scrap. Overcoming these challenges requires expertise, precision equipment, and careful process control to ensure the desired quality and efficiency in coil slitting operations.

Q: Can steel coils be customized in terms of size and thickness?: Yes, steel coils can be customized in terms of size and thickness. Steel manufacturers have the capability to produce coils in various sizes and thicknesses to meet the specific requirements of customers. This allows for flexibility in applications and ensures that the steel coils can be tailored to suit different industries and projects.

Q: for instance Cr-Ni steeldoes this refer to plated steel or a uniform mixture: stainless steel is an alloy normally iron with additions of C, Mn, Ni, Cr, and Nb - amounts added depend on properties required. Corrosion resistance is due to a very thin but dense layer of chromium oxide which forms at the surface and prevents further attack. Ordinary steel on the other hand becomes coated with a porous layer of iron oxide(rust) through which the atmosphere can pass and cause further corrosion.

Q: What are the quality standards for steel coil production?: The quality standards for steel coil production typically include factors such as dimensional accuracy, surface finish, mechanical properties, chemical composition, and adherence to industry-specific standards and specifications. These standards ensure that the steel coils meet the required strength, durability, and performance criteria, and are suitable for various applications in industries like automotive, construction, and manufacturing.

Q: my homework is a breif description on steel pipe. for plumbing/gas.please help me i dont have a clue where to start, something about the thread and where its used.Thanks,: Here are a few quick things for you to check into on your own. First, there are a wide variety of materials that pipes can be made from such as carbon steel, stainless steel, aluminum, etc. Second, pipes can be of welded construction or seamless. Sometimes seamless pipes are called DOM (drawn over mandrel). Third, with the types of each pipe are a variety of grades. For example, steel pipe can be listed as A53, A106, A500, A513, etc. Each one of these grades has a different application because of their chemical composition and method of manufacture which effects its strength. Fourth, there is a difference between a 4 pipe and a 4 tube. Last, pipes for fluids are typically threaded with NPT threads. These threads are tapered so that as the pipes are screwed together they become tighter and therefore leak proof. I probably over complicated things but I hope this helped you. Good luck.

Q: I want to purchase a set of knives made of carbon steel and want to be able to store them on a magnetic knife strip for handy access, I just wasn't sure if this alloy would stick to a magnet????Thanks: Yes, carbon steels are magnetic. In fact, some stainless steel knives are magnetic as well. Some stainless steel alloys are naturally magnetic and some become magnetic when they are deformed by forging or rolling (check out a deep drawn SS sink and explore where it is magnetic and where it isn't). Depending on the details, some carbon steels can be made harder than the stainless steel typically used for knives (440 alloy) but the carbon steel knives are very much more likely to suffer corrosion. hope this helps

Q: How are steel coils inspected for elongation?: Steel coils are inspected for elongation using a variety of methods. One common method is the use of a tensile testing machine. In this method, a small sample is taken from the steel coil and placed into the machine. The machine then applies a pulling force to the sample until it breaks. The amount of force required to break the sample is measured, and this information is used to determine the elongation of the steel coil. Another method used to inspect steel coils for elongation is the use of ultrasonic testing. In this method, high-frequency sound waves are passed through the steel coil. By analyzing the reflection of these sound waves, it is possible to determine the elongation and other properties of the steel coil. Visual inspection is also an important aspect of inspecting steel coils for elongation. Trained technicians visually inspect the steel coils for any signs of stretching or deformation that may indicate excessive elongation. Overall, a combination of mechanical testing, ultrasonic testing, and visual inspection is used to thoroughly inspect steel coils for elongation and ensure their quality and compliance with industry standards.

Q: How are steel coils used in the manufacturing of heat shields?: Steel coils are used in the manufacturing of heat shields by being formed and shaped into the desired size and shape, providing a strong and durable base. The coils are then typically coated with heat-resistant materials and layered to create an effective barrier against heat transfer, making them essential components in the production of heat shields.