Prepainted rolled Steel Coil for Construction Roofing Constrution
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
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Structure of Prepainted Rolled steel Coil for Construction Roofing
Description of Prepainted Rolled steel Coil for Construction Roofing
Prepainted Rolled steel Coil 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 Prepainted Rolled steel Coil for Construction Roofing
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 Prepainted Rolled steel Coil for Construction Roofing
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 Rolled steel Coil for Construction Roofing
Product | Prepainted Rolled steel Coil for Construction Roofing |
Material Grade | SGCC / SGCH / DX51D+AZ, etc |
Thickness | 0.2-3.0mm |
Width | 600-1500mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | AZ40-150g/m2 |
Technique | Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume |
Surface | Dried, Chromated, Unoiled |
Spangle | Regular spangle , small spangle, zero spangle |
ID | 508MM |
Coil weight | 10MT max |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Prepainted Rolled steel Coil for Construction Roofing
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 different types of steel surface treatments for coils?
- There are several types of steel surface treatments for coils, including pickling, oiling, galvanizing, and painting. Pickling involves removing surface impurities and scale through the use of acid solutions. Oiling is a process where a thin layer of oil is applied to the coil surface to prevent rust and improve handling. Galvanizing involves coating the steel with a layer of zinc to provide corrosion resistance. Painting is another surface treatment where a protective layer of paint is applied onto the coil surface to enhance durability and aesthetics.
- Q:What bike companies make the best Steel Road bikes?
- Lots of good companies out there. Surly Pacer is one to check out.
- Q:What are the common industry standards for steel coils?
- Steel coils in the industry have varying standards depending on the region and specific use. However, there are widely accepted standards used in the steel industry. Among the most frequently used standards for steel coils is the American Society for Testing and Materials (ASTM) standard. ASTM has created various specifications for different types of steel coils, including hot-rolled, cold-rolled, and galvanized coils. These specifications outline the mechanical and chemical properties that the steel must meet, as well as dimensions, tolerances, and testing requirements. Apart from ASTM, international organizations like the International Organization for Standardization (ISO) and the European Committee for Standardization (EN) have also established standards for steel coils. ISO standards, such as ISO 3574 and ISO 5952, offer guidelines for general requirements, dimensional tolerances, and mechanical properties of steel coils. Similarly, EN standards like EN 10130 and EN 10131 specify the characteristics and tolerances for cold-rolled steel coils. Moreover, industry-specific organizations and associations may have their own standards for steel coils. For instance, the American Iron and Steel Institute (AISI) has developed specific standards for various steel products, including coils. These standards cover aspects including chemical composition, mechanical properties, and surface finish. It's worth noting that steel coil standards can also be determined by the intended use. Industries like automotive, construction, and manufacturing may have specific requirements that surpass general standards. In such cases, customers and manufacturers may refer to industry-specific standards or collaborate to define custom specifications. In summary, while there are several common industry standards for steel coils, it is crucial to consult the specific standards and requirements applicable to the region and application in question to ensure compliance and quality.
- Q:i have a computer chair where the metal part that attachs the top part to the bottom with wheels has cracked around half of the assembly. my dad said it might be able to be repaired with jb weld. can jb weld fix it? how strong is jb weld? is it as strong as steel?
- ...
- Q:What is the strongest steel ever made.
- Wootz is laughable. A modern car spring has more tensile strength, not to mention better purity in manufacturing. Alpha B is right. My answer would be NS110. While wootz was the source of the original damascus steel. The manufacturing process was much like many crucible type steels of the past. And they were not used by japanese smiths. A traditional japanese sword was made from the ground up. Smelting the iron laden sand into Tamahagane. Which is a pumice like crude steel. It would be forged, and diamond powder would be applied and hammered into the skin. It would then be folded repeatedly to homogenize the blade. For what you are asking for now. I would say that 1/2 mild steel plate should work nicely.
- Q:How are steel coils inspected for mechanical properties?
- Steel coils are inspected for mechanical properties through a combination of destructive and non-destructive testing methods. Destructive methods involve conducting tensile, hardness, and impact tests on samples taken from the coils. Non-destructive methods, such as ultrasonic or magnetic particle testing, are also employed to detect surface and internal defects without damaging the coils. These inspections ensure that the steel coils meet the required mechanical specifications for their intended applications.
- Q:What are the different types of steel coil finishing equipment?
- There are several types of steel coil finishing equipment, including slitting lines, cut-to-length lines, blanking lines, and coil coating lines. Slitting lines are used to cut large coils into smaller widths, while cut-to-length lines cut coils into specific lengths. Blanking lines are used to cut complex shapes out of coils, and coil coating lines apply a protective or decorative coating to the surface of the steel coil.
- Q:what do we use steel for and whyand why do we use brass for instrumentsplz help its homework and i cant find the answer anywhere : (
- By instruments do you mean musical instruments? Brass is used for musical instruments because it's strong but very malleable. It's easy to hammer and roll into sheets, or form into tubes and complex shapes. It's easy to work with using hand tools. It's also very corrosion resistant and polishes very well. It has an attractive gold-like color. It also has some effect on sound, though the shape and design of an instrument is much more important to the sound than the material that's used. Apart from musical instruments, brass is used for items that need to be both durable, easy to manufacture, and resistant to the elements. For example plumbing items like valves and screw couplings.brass is a lot easier to cut with machine tools than steel. It's also traditionally used for hardware on doors and cabinets because of it's color, low friction properties, and corrosion resistance. Brass also is toxic to bacteria, and so brass doorknobs disinfect themselves after about 9 hours. Steel is very strong and very cheap. Steel is basically iron with a small amount of carbon added which makes it much stronger. Iron is the fourth most common element in the earth's crust, after oxygen, silicon, and aluminum. Brass being a mixture (an alloy) of copper and zinc, with other metals sometimes added. Copper and zinc are the 27'th and 26'th most common elements. Therefore, it make sense that brass is much more expensive than steel. Steel is used for too many things to be listed. The use of steel technology has impacts on almost every aspect of modern life. Nearly all of the man-made objects you touch on a regular basis were made using steel tools and steel machinery.
- Q:Are steel coils used in shipbuilding?
- Yes, steel coils are commonly used in shipbuilding. They are used primarily for the construction of the ship's hull and other structural components due to their strength, durability, and ability to withstand harsh marine environments.
- 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.
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Prepainted rolled Steel Coil for Construction Roofing Constrution
- Ref Price:
-
- Loading Port:
- Shanghai
- 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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