Prepainted aluminum zinc Rolled Coil for Construction Roof
- 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.
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:How are steel coils used in the manufacturing of airbags?
- Steel coils are used in the manufacturing of airbags to provide stability and structure. These coils are typically placed inside the airbag module to ensure proper deployment and inflation during a collision. The steel coils help maintain the desired shape and prevent the airbag from collapsing, allowing it to effectively protect the occupants of a vehicle in the event of a crash.
- Q:I mean 4 inch thick steel like was used in the WTC buildings, especially WTC 7 which did not get hit by a plane. Can carpeting, desk chairs, water coolers and dry erase boards burn hot enough and long enough to melt steel that is normally made in a blast furnace?
- Steel loses strength as it is heated and will fail long before it melts. A mild steel that starts out at 100 degs F with an allowable stress level of 20,000 psi will be down to only about 2000 psi at 1000 degrees. As to fireproofing for steel. It doesn't have an unlimited life. In fact most has only a 2 to 4 hour rating and that is determined in ideal conditions in a laboratory. The idea is to give firefighters time to get everyone out of the buidling.
- Q:What is the maximum temperature that steel coils can withstand?
- The maximum temperature that steel coils can withstand typically depends on the grade of steel being used. However, in general, steel coils can withstand temperatures up to around 1,200 to 1,300 degrees Celsius (2,192 to 2,372 degrees Fahrenheit) before they start to lose their structural integrity.
- Q:Can steel coils be coated with anti-fingerprint materials?
- Yes, steel coils can be coated with anti-fingerprint materials. These coatings are designed to reduce the visibility of fingerprints and smudges, making the steel coils more resistant to marks and easier to clean.
- Q:What is the cost of steel coils?
- The cost of steel coils can vary depending on factors such as the type of steel, the thickness and size of the coils, and market conditions. It is best to contact suppliers or check current market prices for accurate cost information.
- Q:I am thinking of buying a stainless steel necklace, but I need to know if it will discolor. My brothers ring turned brown, but he forgot what kind of metal it was. Also answer if I can wear it in the shower because I wear my other necklace in it.
- First check if the Stainless Steel is solid or just some base metal plated with SS. SS has many SAE steel grades(304,316,316L,etc) but in general most will not rust if you do not immerse in sea/salt water over long period. Some can tone to grey over time but IMO that will only add more aesthetic value to the necklace. Yes, you can shower wearing SS because sometimes I also do that wearing my SS dive watches.
- Q:What is the average price of a steel coil?
- The average price of a steel coil can vary depending on several factors such as the type of steel, the thickness and width of the coil, the market demand, and the location of purchase. Generally, the price can range from $500 to $1500 per metric ton. However, it is important to note that prices are subject to fluctuations in the steel market, which can be influenced by global economic conditions, trade policies, and supply-demand dynamics. Therefore, it is advisable to consult with steel suppliers or monitor market trends to get the most accurate and up-to-date pricing information.
- Q:How are steel coils used in the production of roofing sheets?
- Roofing sheets cannot be produced without steel coils, as they are an integral part of the manufacturing process. These coils are typically composed of high-quality steel, which is renowned for its strength, durability, and resistance to corrosion. To convert these coils into roofing sheets, several steps must be followed. To begin, the steel coils are loaded onto a machine known as a decoiler. This machine effortlessly unrolls the coils, allowing them to be fed into the production line. By doing so, the decoiler guarantees a continuous supply of steel, ensuring an uninterrupted manufacturing process. Subsequently, the steel coils pass through a series of rollers. These rollers are responsible for molding the steel into the desired shape, which is specific to the type of roofing sheet being produced. Depending on the project's requirements, the rollers can create various profiles, such as corrugated or standing seam. Once the shaping process is complete, the steel sheets often receive a protective coating. This coating, which can be zinc or other metallic alloys, is referred to as galvanized or galvalume coatings, respectively. These coatings provide an extra layer of defense against rust and corrosion. Following the application of the protective coating, the sheets are generally cut to the desired dimensions. This can be achieved using shearing machines or other cutting tools, ensuring that the roofing sheets are appropriately sized for installation. Finally, the roofing sheets are carefully packaged and prepared for transportation to construction sites. They are typically bundled together and securely wrapped to safeguard them during transit. In conclusion, steel coils play a vital role in the production of roofing sheets. Through shaping, coating, cutting, and packaging processes, these coils are transformed into finished products ready for installation. By utilizing steel coils, roofing sheets are rendered strong, durable, and resistant to various environmental factors, making them a popular choice in roofing applications.
- Q:What are the common quality control measures for steel coils?
- To ensure the performance and reliability of steel coils, several common quality control measures are implemented. These measures play a crucial role in upholding the overall quality of the coils and ensuring their compliance with the necessary standards and specifications. To begin with, dimensional checks are conducted to verify that the steel coils possess the correct thickness, width, and length. Deviations from the specified dimensions can significantly impact the coils' functionality and usability, making this check of utmost importance. Following that, visual inspections are carried out to identify any surface defects or imperfections such as scratches, dents, or corrosion. These inspections aid in identifying potential issues that could compromise the structural integrity of the coils or affect their aesthetic appearance. Moreover, mechanical property tests are performed to assess the strength, hardness, and other mechanical characteristics of the steel coils. These tests provide valuable insights into the coils' performance and durability under different conditions and loads. An essential quality control measure for steel coils is the analysis of their chemical composition. This involves scrutinizing the steel's composition, including the presence of any impurities or elements that may impact its properties. It ensures that the coils are made from the correct grade of steel and meet the required chemical specifications. Coating inspections also play a vital role in quality control. When steel coils are coated with protective layers, it is imperative to examine the adhesion, thickness, and uniformity of these coatings. This examination ensures that the coils have sufficient protection against corrosion and other environmental factors. Lastly, various non-destructive testing methods, such as ultrasonic testing, magnetic particle inspection, or eddy current testing, are employed to detect any internal defects or abnormalities in the steel coils. These tests enable the identification of issues like cracks, inclusions, or discontinuities that may not be visible through visual inspection alone. In conclusion, the quality control measures for steel coils consist of dimensional checks, visual inspections, mechanical property tests, chemical composition analysis, coating inspections, and non-destructive testing. These measures are vital in maintaining the quality and reliability of steel coils, guaranteeing their compliance with the required standards, and meeting customer expectations.
- Q:What are the dimensions of steel coils used in the agricultural structure industry?
- The dimensions of steel coils used in the agricultural structure industry can vary depending on the specific application and requirements. However, common dimensions range from 0.5mm to 3mm in thickness and 600mm to 1500mm in width.
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Prepainted aluminum zinc Rolled Coil for Construction Roof
- 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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