Prepainted Rolled steel coil for Construction roofing use
- 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 methods of slitting steel coils?
- There are several different methods of slitting steel coils, each with its own advantages and limitations. Some of the most common methods include: 1. Rotary Shear Slitting: This method involves using rotating knives to cut the steel coil into narrower strips. It is a versatile and efficient method that allows for high-speed production and precise slitting. Rotary shear slitting is commonly used for thinner gauge materials. 2. Looping Pit Slitting: In this method, the steel coil passes through a looping pit where it is guided and tensioned before being slit. It is suitable for thicker gauge materials and provides good edge quality. Looping pit slitting allows for higher coil speeds and can handle heavier coils. 3. Drag Slitting: This method involves dragging the steel coil over a stationary blade or set of blades to perform the slitting. It is particularly useful for materials that are difficult to slit, such as high-strength steels. Drag slitting provides excellent edge quality and is often used for precision slitting applications. 4. Crush Slitting: Crush slitting involves applying pressure to the steel coil to crush and separate it into narrower strips. It is a cost-effective method suitable for lower gauge materials. However, it may result in slightly rougher edge quality compared to other methods. 5. Laser Slitting: Laser slitting utilizes a focused laser beam to cut through the steel coil. It is a highly precise method that offers excellent edge quality and minimal distortion. Laser slitting is commonly used for high-value and specialty materials. Each method has its own advantages and is suitable for specific applications and material types. The choice of slitting method depends on factors such as material thickness, desired edge quality, production speed requirements, and budget.
- Q: How do steel coils contribute to the HVAC industry?
- Steel coils are essential components in HVAC systems as they play a crucial role in heat transfer. These coils are used in air conditioning units and refrigeration systems to facilitate the exchange of heat between the air and the refrigerant. The steel coils are designed to efficiently absorb heat from the indoor air and release it outside, enabling effective cooling. They help maintain comfortable indoor temperatures and enhance the overall energy efficiency of HVAC systems.
- Q: If you combine stainless steel with gold, does that make stainless gold?
- Nope, Stainless Steel is a tradename for a certain alloy. Regular Steel, which is formed from Ferrous Oxide (via the Bessimer Process). The stainless part is because they mixed in some other compound to give it unique qualities. Gold, on the other hand, is a pure element, and it can form alloys with other metals, but there are no guarantees what the properties will be
- Q: Looking for an insight here into what hiking with steel toe-capped boots would be like, as I saw a nice pair of steel toed magnums that I plan to use for my future hiking (which I will be doing a fair amount of in the future). They seemed fairly comfortable, but I am curious into what others have to say and what might be known of this sort of approach. Thanks in advance.
- Steel toed boots are very heavy compared to hiking boots, after a long hike (especially in rough terrain) the extra weight is gonna tire you out. Steel toes are made for things like construction, or doing a task where extra protection of the toe is needed. So it's not ideal, but whatever floats your boat man (better than wearing tennis shoes). I personally have Converse composite toed boots from my airsofting days and since im too cheap to buy dedicated hike boots, I use it for hiking. Its supposedly made for military use and is much lighter than steel toe. But WAIT!!! lets say you dont have a gun or knife and you run into a pissed off Sasquatch, a steel toe boot too the nutz would do well in puttin the hurt on the dude.
- Q: In pounds per square inch what is the tensile strength of strong steel?
- Depends on what you mean by strong steel. Typically the ultimate strength/yield point of steel used for building structures (beams, columns, joists, plates) is in the range of 36,000 to 50,000 psi. The strength is specified by the designer (in the U.S.) by its ASTM designation. e.g. ASTM A36, A572, A500, A307, A325 ... A36 is typical mild steel, A572 Grade 50 (50,000 psi) is often called high-strength Really high strength steels such as pre-stressing strand can have ultimate strengths more than 10 times these values.
- Q: What are the different types of steel coil edge condition options?
- There is a variety of steel coil edge condition options available, each offering distinct characteristics and advantages. The most common types are as follows: 1. Mill Edge: This is the basic and widely used type of steel coil edge condition. It occurs naturally during the hot rolling process and is characterized by a rough and uneven edge. Mill edge coils are typically suitable for applications where edge quality is not crucial, such as general fabrication. 2. Slit Edge: Slit edge coils are produced by cutting the edges of the steel coil using a slitting machine. This process results in a smoother and more uniform edge compared to mill edge coils. Slit edge coils are often preferred for applications that require a higher level of precision, such as in the automotive or electrical industries. 3. Trim Edge: Trim edge coils are similar to slit edge coils but undergo an additional trimming process to eliminate any defects or imperfections from the edges. This creates an even smoother and cleaner edge, making trim edge coils ideal for applications where appearance and aesthetic quality are important, such as in architectural or decorative purposes. 4. Deburred Edge: Deburred edge coils undergo a deburring process to remove any sharp or burr-like edges. This is done to ensure safety and prevent injuries during the handling or processing of the coils. Deburred edge coils are commonly used in industries where worker safety is a priority, such as in construction or manufacturing. 5. Rounded Edge: Rounded edge coils have their edges rounded off to eliminate any sharp corners or edges. This type of edge condition is often utilized in applications where the coils will come into contact with delicate materials or surfaces, as it helps prevent scratching or damage. It is important to consider the specific requirements of the application and the desired outcome when choosing a steel coil edge condition. Each type offers its own unique benefits, and factors such as precision, appearance, safety, and functionality should be taken into account when selecting the appropriate option.
- Q: I like steel strings but don't want to get a new guitar. Is that my only option?
- Don't EVER put steel strings on a nylon stringed guitar. Steel strings have many times more tension than nylon strings. The bodies on nylon stringed guitars are braced lighter than their steel stringed cousins. If you put steel strings on a guitar designed for nylon, they will belly the top up as well as warp the neck. Since they're attached differently, you'd (luckily) have a hard time even getting steel strings to fit. Enjoy your nylon string guitar for what it is, and if you want to play steel strings, buy a guitar designed for them.
- Q: What are the different types of corrosion protection for steel coils?
- There are several types of corrosion protection for steel coils, including hot-dip galvanizing, electro-galvanizing, paint coatings, and organic coatings. Hot-dip galvanizing involves immersing the steel coil in a bath of molten zinc, creating a protective layer on the surface. Electro-galvanizing is a similar process, but uses an electric current to deposit a layer of zinc onto the steel. Paint coatings provide a barrier between the steel and the environment, preventing corrosion. Organic coatings, such as epoxy or polyurethane, also provide a protective layer and can be applied by various methods such as spraying or dipping.
- Q: I'm ordering a Pair of tongs(a tool used to dig quahogs in bays that scrapes the bottom constantly) and what type of metal would be the best to fabricate it, steel or stainless steel?
- S/S. We use clam rakes around here, I think they have a S/S basket with steel teeth to dig into the sand. By the way, I believe S/S is just steel with nickel added, but I could be wrong.
- Q: I want to make a stock removal knife, but I am really confused about what steel to use. I am just a beginner but I read o1 steel is great? Also I am kind of on a budget.
- 01 tool steel is easier to work with. You need to contact places like Pop Knives and Supplies out of Washington, Georgia or Sheffield Steel out of Florida, I made custom knives for years with my husband. Made alot with ATS-34 Stainless. Look at links on my website source.
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Prepainted Rolled steel coil for Construction roofing use
- 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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