Pre-painted Rolled Steel Coil for Construction Roofing Constrution
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 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:Cast steel welding
- I Use these for cast iron, www.yms .uk/welding-rod-small-pack/2.5mm-cast-iron-welding-rod-small-pack/1951/11612/detail.asp they are expensive when compared to welding rods for steel but i find that normal steel ones dont work on cast iron
- Q:When and where did soldiers wearing steel protective helmets start ?It seems to have been common by the start of WW1
- In WW1 they only wore steel helmets as protection from shrapnel and other debris kicked up by artillery fire. Not protection from bullets oddly enough.
- Q:How are steel coils used in the production of food processing equipment?
- Steel coils are commonly used in the production of food processing equipment due to their various advantageous properties. These coils, typically made from stainless steel, are used in the manufacturing of a wide range of equipment such as mixers, blenders, conveyors, ovens, and fryers. One of the main reasons steel coils are used in food processing equipment is their excellent resistance to corrosion. Stainless steel coils are highly resistant to rust and can withstand exposure to moisture and various food substances without deteriorating. This is crucial in ensuring the equipment remains hygienic and safe for food processing. Additionally, steel coils provide exceptional strength and durability, allowing food processing equipment to withstand heavy use and harsh operating conditions. The coils can be formed into different shapes and sizes, enabling the fabrication of complex equipment components. This versatility facilitates the design and construction of equipment that is both efficient and reliable in processing various food products. Furthermore, steel coils are easy to clean and maintain. The smooth surface of stainless steel makes it resistant to staining and facilitates the removal of food residues, preventing the growth of bacteria. Regular cleaning and sanitization of food processing equipment are essential for maintaining food safety standards, and steel coils make this process easier and more effective. Moreover, steel coils have excellent heat conductivity properties, allowing for efficient heat transfer in food processing equipment such as ovens and fryers. This enables precise temperature control and uniform cooking, ensuring consistent quality of processed food products. In summary, steel coils play a vital role in the production of food processing equipment by providing corrosion resistance, strength, durability, ease of cleaning, and efficient heat transfer. These qualities make steel coils an ideal material for manufacturing equipment that meets the high standards of hygiene, safety, and quality required in the food processing industry.
- Q:why were guns, germs and steel absent within America?
- i dont really understand this question but if it means to how it was before then it was absent because the native americans were not into technology so they obviously had no guns created that was something that they had traded to get from europe as for the germs i ddo not know about thta really except for if it means that common disease and one of the diseases most used in history books is malaysa from mosquitos but when they had traded with europe they got all sorts of diseases now for steel the only reason i remember them traveling for is for gold and i dont remember them ever looking for it until 13 colonies were established as you can see im not exactly sure about germs and steels but i know that the guns part is correct
- Q:How are steel coils used in the production of packaging materials?
- Steel coils are used in the production of packaging materials by being processed into thin sheets or strips that can be shaped and formed into containers, cans, or other packaging components. These steel sheets are often used as a base material for packaging products due to their strength, durability, and ability to protect goods during transportation and storage.
- Q:What is the strongest steel ever made.
- I'm a civil/structural engineer. ASTM A 416 is one of the strongest steels, with a nominal yield stress of 243,000 psi and design ultimate strength of 270,000 psi. This steel is commonly used in pre-stressing and post-tensioning of concrete structures. See the link below to one manufacturer of strands and bars made with this type of steel.
- Q:How are steel coils processed?
- Steel coils are processed through a series of steps including pickling, cold rolling, annealing, and coating to achieve desired thickness, strength, and surface finish, making them ready for various applications in industries like automotive, construction, and manufacturing.
- Q:How are steel coils coated to prevent corrosion?
- Steel coils are coated to prevent corrosion through a process known as galvanization. This involves applying a protective layer of zinc onto the surface of the steel coils. The zinc acts as a barrier, preventing the steel from coming into contact with moisture and oxygen, which are the main causes of corrosion. This coating not only provides excellent corrosion resistance but also enhances the durability and longevity of the steel coils.
- Q:How are steel coils used in the production of steel hinges?
- Steel coils are used in the production of steel hinges by being processed and formed into thin strips. These strips are then cut and shaped to create the desired size and shape of the hinges. The steel coils provide the raw material for the hinges, allowing for efficient and precise manufacturing.
- Q:How are steel coils measured for thickness?
- Steel coils are measured for thickness using a variety of methods. One common method is using a micrometer, which is a precision measuring instrument that accurately determines the thickness of the coil. The micrometer is gently pressed against the surface of the coil and the measurement is taken. Another method involves using a thickness gauge, which is a handheld device that can quickly and accurately measure the thickness of the steel coil. The gauge is placed on the coil's surface and the thickness is displayed on a digital screen. In some cases, ultrasonic thickness testing is used to measure the thickness of steel coils. This method involves using ultrasonic waves that are emitted from a handheld device. The waves travel through the coil and bounce back to the device, providing an accurate measurement of the thickness. Regardless of the method used, it is important to ensure that the measurements are taken at multiple points across the coil to account for any variations in thickness. This ensures that accurate and reliable measurements are obtained.
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Pre-painted Rolled Steel Coil for Construction Roofing Constrution
- 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
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