• Prepainted Aluminum Zinc rolled Coil for Construction Roof System 1
  • Prepainted Aluminum Zinc rolled Coil for Construction Roof System 2
  • Prepainted Aluminum Zinc rolled Coil for Construction Roof System 3
Prepainted Aluminum Zinc rolled Coil for Construction Roof

Prepainted Aluminum Zinc rolled 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 Aluminum Zinc Rolled Coil

 Prepainted Aluminum Zinc rolled Coil for Construction Roof

Description of Aluminum Zinc Rolled Coil
Aluminum zinc coils 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 Aluminum Zinc Rolled Coil for Construction Roof

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 Aluminum Zinc Rolled Coil for Construction Roof
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.  

 Prepainted Aluminum Zinc rolled Coil for Construction Roof

 

 

Prepainted Aluminum Zinc Rolled Coil for Construction Images

 

 

 

 

Specifications of Prepainted Aluminum Zinc Rolled Coil for Construction 

Chemical Composition

GRADE

C

Si

Mn

P

S

Ti

SGCC/DX51D+Z

≤0.10

≤0.50

≤0.60

≤0.10

≤0.030

≤0.020

DX52D+Z

≤0.10

≤0.50

≤0.60

≤0.10

≤0.030

≤0.020

SGCD/DX53D+Z

≤0.10

≤0.30

≤0.50

≤0.05

≤0.030

≤0.020

SGCE/DX54D+Z

≤0.10

≤0.30

≤0.30

≤0.03

≤0.020

≤0.020

DX56D+Z

≤0.10

≤0.30

≤0.30

≤0.03

≤0.020

≤0.020

Structural

≤0.20

≤0.60

≤1.70

≤0.10

≤0.045

Mechanical Properties

GRADE

Yield Strength MPa

Tensile Strength MPa

Elongation %

SGCC(DX51D+Z)

≥205

≥270

-

SGCD(DX53D+Z)

-

≥270

38

SGCE(DX54D+Z)

-

≥270

40

DX56D+Z

-

≥270

42

 

FAQ of Prepainted Aluminum Zinc Rolled Coil for Construction

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 challenges in coil recoiling for high-strength steel?
One of the main challenges in coil recoiling for high-strength steel is the control and management of residual stresses. High-strength steel has a tendency to retain significant levels of residual stresses, which can lead to coil distortion or springback during recoiling. This requires careful process optimization and control to minimize these effects. Additionally, the high strength of the steel can make it more susceptible to cracking or damage during recoiling, necessitating precise handling techniques and equipment. Overall, the challenges lie in achieving uniform coil geometry, minimizing residual stresses, and avoiding any potential damage to the high-strength steel during the recoiling process.
Q: How are steel coils used in the production of electrical motors?
Steel coils are used in the production of electrical motors as they serve as the core component of the motor's electromagnetic system. These coils are wound around a laminated steel core to create an electromagnet that generates the magnetic field required for the motor's operation. The steel coils, when energized with electric current, produce a magnetic field that interacts with the stator and rotor to facilitate the conversion of electrical energy into mechanical energy.
Q: I recently got in a car accident with a steel mailbox, on a snowy day. I was wondering if i can do anything since the steel mailbox caused my car to be totaled. Otherwise it would have been fine and would have suffered only minor damage. Anything I can do here to maybe get some money back? Thanks!
Let me get this straight. You were driving too fast for conditions, lost control due to driving too fast, hit a stationary mailbox, car is totaled due to driving too fast for conditions, and you want to be reimbursed? Sorry, you are dead wrong. It is your duty to maintain control of your car at all times. If there was any damage to the mailbox, you are the one liable.
Q: I'm planning to buy a pair of Doc Marten boots but I want some steel toed ones. I don't know if all of them are steel toed, or only some of them, or what?
Steel Toe Doc Martens
Q: I know of the cheaper steel shot for waterfoul hunting, but there is more expensive shot available. Is it worth the money, how much more distance are we talking, and what do you like the best?(brand name)
All buckshot I can think of at the moment is lead. Steel shot is used for waterfowl hunting because lead is illegal for that use. They don't want all that lead shot falling back in the water and causing lead contamination. There would be no reason to make steel buckshot, and it would be pretty ineffective. Steel is much less dense than lead. So a steel 00 pellet would weigh much less than a lead 00 pellet. So it would carry a lot less energy to a target. Buckshot is used for just that, Bucks. Well large game like deer, bear, and for self defense. In uses like that you need that extra energy. Lead shot is used for everything, except where lead shot is illegal, which is waterfowl hunting. Steel shot really isn't very popular anymore. Waterfowl shot just can't be lead. It doesn't have to be steel. They've come out with other stuff, like bismuth, that is a lot more dense than steel, but still not as dense as lead.
Q: What are the challenges in coil blanking for high-strength steel?
Coil blanking for high-strength steel presents several hurdles due to the unique properties of this material. One of the main obstacles lies in the steel's high tensile strength, which makes cutting and blanking more difficult when compared to traditional steel grades. High-strength steel is typically harder and less malleable, resulting in heightened tool wear and greater cutting forces. Therefore, specialized cutting tools capable of enduring these extreme conditions are necessary. Additionally, the augmented cutting forces can cause increased vibrations, potentially impacting the accuracy and quality of the blanks. Another challenge arises from the spring-back effect displayed by high-strength steel after it is cut. This means that the material tends to return to its original shape, creating difficulties in achieving precise dimensions and tolerances in the blanks. Consequently, careful consideration and adjustment of the cutting parameters are required to minimize the spring-back effect. Furthermore, high-strength steel often contains a higher carbon content, leading to increased work hardening during the blanking process. As a result, the material becomes even harder and more brittle, making it more susceptible to cracks and fractures. To overcome this challenge, proper lubrication and cooling techniques are crucial in reducing heat buildup and minimizing the risk of cracking. Additionally, the heightened strength of the steel can also impact overall production efficiency. The increased cutting forces and tool wear may necessitate a reduction in cutting speeds, resulting in longer processing times. This can affect the productivity and throughput of the coil blanking process, requiring meticulous optimization and planning. In conclusion, the challenges involved in coil blanking for high-strength steel encompass increased cutting forces, tool wear, the spring-back effect, work hardening, and reduced production efficiency. Overcoming these challenges necessitates the use of specialized cutting tools, precise cutting parameters, proper lubrication and cooling techniques, and meticulous optimization of the production process.
Q: What are the common quality issues with steel coils?
Steel coils commonly have quality issues including surface defects, dimensional variations, mechanical property variations, coating issues, internal defects, edge issues, and coil set or camber. These issues can impact the appearance, performance, processing, and suitability of the final product. To maintain quality, manufacturers employ rigorous inspection, testing, and adherence to industry standards and specifications.
Q: How are steel coils used in the manufacturing of intake manifolds?
Steel coils are typically used in the manufacturing of intake manifolds as the primary material for forming the manifold's structure. These coils are shaped and cut into specific dimensions to create the necessary components, such as runners and plenums, which help regulate the flow of air and fuel mixture into the engine. The steel coils are often subjected to additional processes, including welding, machining, and surface treatments, to ensure the final intake manifold meets the required specifications and performance standards.
Q: We are going to build a house with a steel frame.Someone told me today that these houses have problems with humidity.Is that true?Please tell me all you know..
Steel frame houses are built using a modern method of construction (MMC) with an impressive strength to weight ratio and great design flexibility. The modern steel industry has been making in-roads to residential construction and material price reductions in the 1960 s made it a more affordable option.
Q: How are steel coils inspected for weldability?
A series of comprehensive tests and examinations are carried out to inspect the weldability of steel coils. The main objective of this inspection is to assess the quality and suitability of the steel coils for welding purposes. To begin with, a visual inspection is conducted to identify any visual defects or irregularities present on the surface of the coils. This includes checking for factors such as surface roughness, cracks, scratches, or any other imperfections that might affect the weldability. Following this, destructive testing methods, such as tensile testing and impact testing, are performed. Tensile testing measures the strength and ductility of the steel, ensuring that it meets the required mechanical properties for welding. Impact testing evaluates the steel's ability to resist brittle fracture, which is crucial in determining its weldability. In addition, non-destructive testing techniques like ultrasonic testing (UT) and magnetic particle inspection (MPI) are employed to detect any internal defects or discontinuities. UT utilizes high-frequency sound waves to identify hidden flaws within the steel, while MPI uses magnetic particles to identify defects on or near the surface. Moreover, chemical analysis is carried out to determine the composition of the steel and ensure that it meets the required specifications for welding. This analysis involves checking the levels of carbon, manganese, sulfur, and other elements that may impact the weldability and overall performance of the steel. Furthermore, weldability testing is performed to evaluate how the steel responds to welding processes. This involves conducting various welding trials using different techniques and parameters to assess the steel's behavior during welding, including its susceptibility to cracking, distortion, or other welding-related issues. In conclusion, the inspection of steel coils for weldability is a comprehensive process that involves visual inspection, destructive testing, non-destructive testing, chemical analysis, and weldability testing. Through these thorough inspections, manufacturers can ensure that the steel coils meet the required standards and are suitable for welding applications.

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