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: I have never owned a non-stainless steel chef's knife and have been looking at some to buy recently, but all of them have various degrees of wear and use. They say that the wear is normal for non-stainless steel knives, but how can I tell if it is too much wear, or if the blade is clean?
- cold rolled steel waers as you carve meat. If the blad if to thin you may want a better one. Utica knife in utica N.Y. made them up to about 10 years ago and i still buy them at auctions.
- Q: How are steel coils welded together?
- Different methods can be employed to weld steel coils together, depending on the specific requirements and the type of steel being used. Electric resistance welding (ERW) is a common method where an electric current is utilized to generate heat in the coils, melting their edges. Pressure is then applied to join them together. ERW is a cost-effective and speedy technique for welding steel coils. Thinner steel coils are often welded using high-frequency induction welding (HFIW). This involves the use of an induction coil to produce an alternating magnetic field, inducing an electric current in the coils. The resistance of the coils to this current generates heat, causing the edges to melt and form a weld. For thicker and heavier steel coils, submerged arc welding (SAW) is commonly employed. This technique utilizes a granular flux and a continuous electrode that is fed into the weld area. The flux melts, creating a protective shield for the weld pool, while the electrode melts to form the weld. SAW is a robust and efficient method for welding steel coils. In addition to these methods, laser welding and gas metal arc welding (GMAW) can also be utilized for welding steel coils. Laser welding offers high precision and speed, while GMAW, also known as MIG welding, utilizes an electric arc between a consumable wire electrode and the steel coils to create a weld. Irrespective of the welding method employed, successful welding of steel coils hinges on proper edge preparation, maintenance of appropriate heat and pressure levels, and the use of correct welding techniques.
- Q: How are steel coils used in the production of oil and gas machinery?
- Steel coils are used in the production of oil and gas machinery as they provide essential structural support and reinforcement. These coils are typically formed into various components such as pipes, tubes, and casings, which are crucial for drilling, extraction, and transportation processes in the oil and gas industry. The strength and durability of steel coils ensure the reliability and longevity of the machinery, allowing for efficient and safe operations in the oil and gas sector.
- Q: How are steel coils processed for different levels of hardness?
- Steel coils can be processed to achieve different levels of hardness through a variety of methods. One common method is heat treatment, which involves heating the coils to a specific temperature and then rapidly cooling them to alter their microstructure and achieve the desired hardness. The process of heat treatment can include quenching, tempering, or annealing, depending on the desired hardness level. Quenching involves cooling the coils rapidly in a liquid medium such as water or oil to achieve a high hardness level. Tempering, on the other hand, involves reheating the coils to a lower temperature and then slowly cooling them to achieve a desired balance of hardness and toughness. Annealing is a process that involves heating the coils to a specific temperature and then slowly cooling them to relieve internal stresses and achieve a softer and more ductile material. Additionally, mechanical processes such as cold rolling or cold working can also be used to increase the hardness of steel coils. These processes involve subjecting the coils to compressive forces, which cause the material to deform and result in an increase in hardness. Overall, the processing of steel coils for different levels of hardness requires careful control of temperature, cooling rate, and mechanical forces to achieve the desired properties for specific applications.
- Q: What are the different types of steel coatings for coils?
- Coils can be coated with various types of steel coatings, each with its own unique properties and advantages. Some of the most commonly used coatings include: 1. Galvanized Coating: This type of steel coating is widely utilized for coils. It involves applying a layer of zinc to the steel, which provides excellent protection against rust and corrosion. It is particularly suitable for outdoor applications or environments with high moisture levels. 2. Galvannealed Coating: Galvannealed steel coating involves subjecting the galvanized steel to additional heat treatment, resulting in a matte finish and improved adhesion for paint. It offers enhanced corrosion resistance and is often preferred in the automotive and construction sectors. 3. Aluminized Coating: Coating steel coils with aluminum provides outstanding heat resistance and corrosion protection. Aluminized steel is commonly employed in exhaust systems and other applications involving high temperatures. 4. Organic Coatings: Steel coils can also be coated with organic materials like paints or powder coatings. These coatings offer additional protection against corrosion and can be customized to meet specific aesthetic requirements, available in a wide range of colors. 5. Tin Coating: Tin-plated steel coils are covered with a layer of tin, which provides excellent solderability and resistance to corrosion. This type of coating is frequently used in the production of cans and other food packaging materials. 6. Phosphate Coating: Phosphate coatings are often applied as a pre-treatment before other coatings to enhance adhesion and corrosion resistance. They create a thin, crystalline layer on the steel surface, facilitating better adhesion of paint or powder coatings. These examples illustrate the diversity of steel coatings available for coils. The choice of coating depends on specific application requirements, considering factors such as corrosion resistance, heat resistance, paint adhesion, and aesthetic preferences.
- Q: Can steel coils be customized in terms of size and specifications?
- Yes, steel coils can be customized in terms of size and specifications. Steel coils are typically manufactured in standard sizes and specifications, but they can be customized to meet specific requirements based on the needs of the customer. Customization can involve adjusting the dimensions of the coils to different widths, lengths, and thicknesses, as well as modifying the specifications such as the type of steel, surface finish, and coating. This allows steel coils to be tailored to various applications and industries, ensuring they meet the specific requirements and performance criteria of the customers. Customized steel coils are commonly used in industries such as automotive, construction, manufacturing, and appliances, where specific sizes and specifications are crucial for efficient and effective operations.
- Q: A roll of 1 meters wide color steel roll about how many tons?
- In general, between 3.5 and 5 tons. Our company uses 0.17*1000 white color steel roll. The weight is usually around 4.5 tons. Different manufacturers will have different sealing rolls.
- Q: I know sterling silver can tarnish, so I was just wondering, how does stainless steel hold up?
- This Site Might Help You. RE: How durable is stainless steel jewelry? I know sterling silver can tarnish, so I was just wondering, how does stainless steel hold up?
- Q: I moved into a house which has a steel front door.When I touch the door it feels very cold to the touch in the winter.There is a storm door also and the weather stripping looks good.Cold air from the door is entering the lower level.The house is about 20 yrs old.
- Not all steel doors are. Its about 20* where i am and my steel door feel somewhat cold, but not very cold. Yours could not be? If you take the lock off the door and look inside the hole where the lock was you should see insulation inside your door.
- Q: i heard steel type is good and i don't have any i have defeated all the trainers up to the icicle badge (i have got the icicle badge but not the one after) where can i get one?
- lucario is both fighting and steel if you got piplup, empoleon is water and steel, if you happen to have a shieldon (only in pearl) he is ground and steel. Bronzor and bronzong are both psychic and steel you can find them in wayward cave is the easiest place that is under cycling road Steelix is in victory road but i guess you aren't there yet hehehe.... aside from dialga, who is dragon and steel i think those are it, unless you have any others like heatran or magenezone sorry i can't help much Oh but I can trade a steeliz if you want? my name is JAY my fc is 1375.4387.9544 =D
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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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