Prepainted Rolled Coil for Construction Roof
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
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:Can steel coils be used in the production of consumer goods?
- Yes, steel coils can be used in the production of consumer goods. Steel coils are versatile and commonly used in various industries, including consumer goods manufacturing. They are often used as raw materials in the production of appliances, automotive parts, construction materials, furniture, and packaging. The durability and strength of steel coils make them suitable for these applications, ensuring the quality and longevity of the consumer goods produced.
- Q:like building steel beams. i'm pretty sure with a sawzall.
- I am going to take a slightly different approach. Once the structural steel is manufactured and then brought to the fabricator, not much heat is applied to the steel. It is normally punched, sheared or whatever buy the use of a lot of heat on it is normally not allowed due to the change in the properties of the steel. Once in the field to be erected, the cutting or welding on it are held to absolute minimums and most of the time not allowed at all.
- Q:How are steel coils used in the production of steel framing systems?
- Steel coils are used in the production of steel framing systems as they are typically unwound and fed into a roll forming machine where they are shaped into the desired profiles and sizes required for the framing components.
- Q:I just bought some cheap earrings from this beauty supply store but they said surgical steel So will they prevent my ears from bleeding / infection ?
- Surgical steel is a grade of steel often used in medical appliances like tweezers, forceps, etc. It's generally non-reactive and considered very safe. It doesn't contain any special properties against infection--you still have to observe basic hygiene and clean your piercings properly--but most people can wear surgical steel earrings without a problem. However, if you have a contact allergy to base metals like nickel, surgical steel may cause redness or irritation because of the metals used in it. If cheap rings or necklaces make your skin break out in a rash you should NOT wear surgical steel.
- Q:What are the different methods of shearing steel coils?
- There are several different methods of shearing steel coils, each offering its own unique advantages and disadvantages. Some of the most common methods include: 1. Guillotine Shearing: This method involves using a guillotine-like machine with a blade that moves vertically to cut through the steel coil. Guillotine shearing offers high efficiency and accuracy, making it suitable for large-scale industrial production. However, it may cause deformation or burrs on the cut edges. 2. Rotary Shearing: In rotary shearing, a set of rotating blades is used to cut through the steel coil. This method allows for continuous cutting, making it ideal for high-speed production lines. It provides a clean and precise cut, but it requires regular maintenance and sharpening of the blades. 3. Slitting: Slitting involves passing the steel coil through a set of circular blades that make multiple parallel cuts. This method is commonly used to produce narrower strips from wider coils. It offers high precision and can produce multiple strips simultaneously. However, slitting may cause edge burrs or camber on the strips. 4. Laser Cutting: Laser cutting uses a high-powered laser beam to melt or vaporize the steel coil along a pre-determined path. This method offers exceptional precision and can cut complex shapes or patterns. It is commonly used for specialized applications where accuracy is crucial, although it can be relatively expensive. 5. Waterjet Cutting: Waterjet cutting utilizes a high-pressure stream of water mixed with abrasive particles to cut through the steel coil. This method is versatile and can handle various materials and thicknesses. It is especially useful for cutting heat-sensitive materials or for applications requiring minimal distortion. 6. Plasma Cutting: Plasma cutting involves ionizing a gas to create a plasma arc that melts and blows away the steel coil. This method is fast and efficient, suitable for cutting thick steel coils. However, it may produce a wider heat-affected zone compared to other methods. 7. Electrical Discharge Machining (EDM): EDM uses electrical discharges to erode the steel coil and create the desired shape. This method is commonly used for intricate or delicate cutting tasks that require high precision. It is particularly effective for hard materials. Each method of shearing steel coils has its own set of advantages and limitations, and the choice depends on factors such as the required precision, speed, material thickness, and the desired end-product.
- Q:How are steel coils cut and shaped for specific requirements?
- Steel coils are cut and shaped for specific requirements through a process called slitting and forming. Slitting involves cutting the coil into narrower strips using specialized machinery, while forming utilizes presses, rollers, or other tools to shape the steel into desired profiles. These processes allow manufacturers to tailor the dimensions and shape of the steel coils to meet specific industry and customer requirements.
- Q:How are steel coils formed into specific shapes?
- Steel coils are formed into specific shapes through a process called roll forming, which involves passing the coils through a series of rollers. The rollers gradually shape the steel into the desired profile, applying pressure and bending it to the required angles. This allows manufacturers to create various shapes and sizes of steel coils for different applications.
- Q:How do steel coils compare to aluminum coils?
- Steel coils and aluminum coils possess distinct characteristics that render them suitable for varying purposes. Firstly, steel coils are renowned for their robustness and durability. They can endure high temperatures and exhibit greater resistance to damage in comparison to aluminum coils. Consequently, steel coils are an ideal choice for heavy-duty industrial applications necessitating sturdy materials, such as construction, automotive manufacturing, and the oil and gas industries. Additionally, steel coils boast heightened corrosion resistance, enabling their usage in outdoor environments characterized by harsh conditions. On the contrary, aluminum coils are lighter in weight and possess a higher strength-to-weight ratio than steel coils. This renders them exceptionally well-suited for industries wherein weight serves as a critical factor, such as aerospace and transportation. Furthermore, the malleability of aluminum coils facilitates easier shaping and forming, thereby proving advantageous in industries like packaging and consumer electronics. Moreover, aluminum coils exhibit superior thermal conductivity when compared to steel coils, rendering them more efficient in heat transfer applications. This particular attribute proves beneficial in industries such as HVAC (heating, ventilation, and air conditioning) and refrigeration, where the achievement of efficient heat exchange is of utmost importance. Concerning cost, steel coils generally prove more affordable due to the lower cost of raw materials. However, aluminum coils can yield long-term cost savings as they require less maintenance and possess a longer lifespan owing to their resistance to corrosion. In conclusion, the selection between steel coils and aluminum coils hinges on the specific requirements of the application at hand. Steel coils are favored for their strength, durability, and corrosion resistance, while aluminum coils excel in lightweight applications, heat transfer, and malleability.
- Q:How are steel coils processed for different finishes?
- Steel coils can be processed for different finishes through various methods. One common process is called coil coating, where the steel coil is cleaned, primed, coated, and cured to achieve a desired finish. This process includes removing any contaminants from the surface of the coil, applying a primer to enhance adhesion, and then coating it with a specific paint or coating material. The coated coil is then cured at high temperatures to ensure proper adhesion and durability. Another method for processing steel coils is through galvanization. In this process, the steel coil is coated with a layer of zinc to protect it from corrosion. This can be done through hot-dip galvanization, where the coil is immersed in a bath of molten zinc, or through electro-galvanization, where a thin layer of zinc is electroplated onto the coil. The galvanized finish provides excellent corrosion resistance and can be further processed to achieve different aesthetic finishes. Additionally, steel coils can be processed for different finishes through various surface treatments. This may involve processes such as pickling, where the coil is treated with an acid solution to remove scale and impurities, or mechanical treatments like brushing or grinding to achieve a desired texture. These surface treatments can be followed by applying a protective coating or paint to enhance the appearance and durability of the coil. Overall, the process of achieving different finishes on steel coils involves a combination of cleaning, coating, curing, and surface treatments. The choice of specific methods depends on the desired finish and the intended application of the steel coil.
- Q:I've heard on some 1911 forums that the slides of Armscor guns are now extruded. What is extruded steel? How is it made? Are they strong (4140carbon steel was used in the process).
- Extruded steel is only the steel being run through a die when it is heated, it usually reduces the size of the grain of the steel itself, enhancing toughness. Realistically though, in a handgun, it doesn't matter if the frame is cast or forged, both types will hold up to any amount of abuse, unless you use it as a sledgehammer, and are splitting stones with it, then the forged frame would win. 4140 is more than adequate for a slide/frame. Hell, even mild steel would be adequate as long as you don't mind some dings and scratches, and again, don't use it as a sledgehammer...
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
Prepainted Rolled Coil for Construction Roof
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
New products
Hot products
Related keywords
