Prepainted aluminum Zinc Rolled Coil for construction
- Ref Price:
-
- 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
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.
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: How are steel coils used in the production of pipes?
- Steel coils are used in the production of pipes by being uncoiled and then passed through a series of forming and welding processes. The coils are flattened and shaped into the desired pipe size and then welded together to create a continuous length of pipe.
- Q: Consider a steel rod of diameter 4.5 mm and length 3.3 m. If a compressive force of 4900 N is applied to each end, what is the change in the length of the rod?
- You need to calculate the stress on the rod and compare this with the mechanical properties of the steel. It would help if you were given more info. You will need to know something about the steel such as the yeild stress and E, the modulus of elasticity. The value of E is about the same for a wide range of steels. So long as the applied stress is below the yield stress, the strain is all elastic and is calculated from E. The real answer is that you can not answer this question since you do not know what the temperature is. Given the applied load, the change in length will be much different at room temperature than at 1500C.
- Q: What are the different methods of coil blanking for irregular shapes?
- There are several methods of coil blanking for irregular shapes. One common method is laser blanking, which uses a high-powered laser to cut the shape directly from the coil. This method is highly precise and allows for complex shapes to be cut with minimal waste. Another method is water jet blanking, which uses a high-pressure stream of water mixed with abrasive particles to cut the shape from the coil. Water jet blanking is often used for thicker materials or when the material being cut is sensitive to heat. Additionally, there is also die blanking, which involves the use of a die to stamp the shape out of the coil. This method is commonly used for larger production runs and can be automated for increased efficiency. Lastly, there is also plasma blanking, which uses a plasma torch to cut the shape from the coil. Plasma blanking is often used for thicker materials or when high cutting speeds are required. Overall, the choice of method for coil blanking irregular shapes depends on factors such as material thickness, shape complexity, production volume, and desired precision. Each method has its advantages and limitations, and selecting the most suitable method is crucial for achieving optimal results.
- Q: How are steel coils processed for pickling or oiling?
- Steel coils are processed for pickling or oiling by first being cleaned and then passed through a series of chemical baths or mechanical processes to remove any impurities or scale on the surface. This is followed by rinsing and drying the coils, after which they can either be pickled in acid to remove oxides or coated with oil to prevent corrosion.
- Q: i would like to know of any companies who buy shredded scrap steel
- We are one of the biggest steel mills in Asia. Under our group, we have steel mills in Thailand and Bangladesh. On the monthly basis, we purchase steel scrap HMS1/2 80:20 and the shredded ISRI210/211, ISRI211 by bulk and 20' container to Thailand and Bangladesh. Due to the limitation of our existing shredded steel scrap supplier, we need to get more supply of the shredded. Please contact us or offer us of ISRI 210/211 or ISRI211 CFR Chittagong, Bangladesh with 500mt - 2000mt per shipment by 20' container. If any questions, please feel free to contact us.
- Q: What are the different methods of surface treatment for steel coils?
- There are several different methods of surface treatment for steel coils, each with its own benefits and applications. Some of the most common methods include: 1. Hot-dip galvanizing: This is a process where the steel coil is immersed in a bath of molten zinc, which forms a protective coating on the surface. Hot-dip galvanizing provides excellent corrosion resistance and is commonly used in outdoor applications such as roofing, fencing, and automotive parts. 2. Electro-galvanizing: In this method, a thin layer of zinc is electroplated onto the surface of the steel coil. Electro-galvanizing offers similar corrosion resistance as hot-dip galvanizing, but with a thinner coating. It is often used in applications where a smooth and aesthetically pleasing finish is desired, such as appliances, electrical equipment, and automotive components. 3. Powder coating: Powder coating involves applying a dry powder to the surface of the steel coil, which is then cured under heat to form a durable and protective layer. This method provides excellent resistance to chipping, scratching, and fading, making it suitable for a wide range of indoor and outdoor applications. 4. Painting: Steel coils can also be treated with conventional liquid paint coatings, which provide both protection and aesthetic appeal. Paint coatings can be customized to meet specific requirements such as corrosion resistance, UV protection, or chemical resistance. They are commonly used in industries such as construction, automotive, and appliances. 5. Pickling and oiling: This method involves removing any scale or rust from the surface of the steel coil by dipping it in an acid solution (pickling), followed by a coating of oil to prevent reoxidation. Pickling and oiling are typically used for temporary corrosion protection during storage and transportation of steel coils. 6. Pre-painted coatings: Steel coils can be coated with pre-painted finishes at the manufacturing stage. Pre-painted coatings are applied in a continuous process, where the steel coil is passed through a coating line, and a layer of paint is applied. This method provides a wide range of colors and finishes, making it popular in the construction, automotive, and appliance industries. These are just a few of the methods commonly used for surface treatment of steel coils. The choice of method depends on factors such as the desired level of corrosion resistance, aesthetics, environmental conditions, and the specific application requirements.
- Q: How are steel coils used in the production of signage?
- Steel coils are used in the production of signage as they provide a durable and versatile material for creating sturdy sign structures. The steel coils are typically cut into desired shapes and sizes, then bent, welded, or formed to create the framework of the signs. This allows for the creation of different types of signs, such as billboards, street signs, or large display signs. The steel coils' strength and resistance to weather make them ideal for outdoor signage that needs to withstand various environmental conditions.
- Q: What are the different types of steel coil cuts?
- There is a wide range of steel coil cuts utilized in various industries. These cuts are made during the steel manufacturing process to produce steel coils of different sizes and shapes, which can be employed for diverse applications. 1. Slit Coil: Among the most frequently employed steel coil cuts is the slit coil. This process involves cutting a large steel coil into narrower strips or slits. Slit coils are commonly utilized for applications that necessitate smaller widths, such as automotive parts, appliances, and construction materials. 2. Sheet Coil: Another type of steel coil cut is the sheet coil, which entails cutting a large coil into flat sheets. These sheets can be further processed to create different products, like roofing materials, cladding, or fabrication components. 3. Blanked Coil: The blanking process involves cutting a steel coil into custom-shaped blanks. These blanks can be used for various purposes, such as forming into different parts, stamping, or machining. Blanked coils find common usage in industries like automotive, aerospace, and manufacturing. 4. Precision Slit Coil: Precision slit coil is a specialized type of coil cut that involves cutting the steel coil with high precision and accuracy. This process ensures consistent width tolerances throughout the coil, making it suitable for applications that require precise dimensions, such as electrical components, precision tools, and automotive parts. 5. Oscillate Wound Coil: Oscillate wound coil is a unique type of steel coil cut that involves winding the steel strip in a zigzag pattern rather than a traditional flat coil. This method allows for tighter coil winding and maximizes the amount of steel on a coil. Oscillate wound coils are commonly used in industries that require high-volume production, such as stamping and roll forming. In conclusion, the diverse types of steel coil cuts cater to the specific needs of various industries, providing them with the flexibility to create products of different sizes, shapes, and dimensions.
- Q: Why can't the coil weight be too low?
- Because the steel coil is stored in warehouse stacking level, if the coil weight is too low, resulting in a single coil capacity is reduced, so that the steel roll easily crushed and deformed;
- Q: I just started playing guitar last year. I never changed the chords. When my sister started taking guitar lessons her teacher said that she needed to change the chords. When i bought the guitar it came with steel strings but i bought nylon strings because they are easier on the fingers. The problem is i already tuned up the guitar but it sounds really bad like if it was not tuned. What can i do about this?
- Steel and nylon strings are not interchangeable. Guitars are designed and built for either steel or nylon. Using steel strings on a guitar made for nylon will just destroy the guitar. Nylon strings won't break a steel string guitar, but they probably won't sound that great (different woods sound better with different types of strings)
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Prepainted aluminum Zinc Rolled Coil for construction
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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