• Aluminum Zinc Rolled Coil For Construction Roof System 1
  • Aluminum Zinc Rolled Coil For Construction Roof System 2
  • Aluminum Zinc Rolled Coil For Construction Roof System 3
Aluminum Zinc Rolled Coil For Construction Roof

Aluminum Zinc Rolled Coil For Construction Roof

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
30000 m.t./month

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Structure of Aluminum Zinc Rolled Coil

 Aluminum Zinc Rolled Coil For Construction Roof

Description of Aluminum Zinc Rolled Coil
Aluminum zinc coils 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 Aluminum Zinc Rolled Coil for Construction Roof

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 Aluminum Zinc Rolled Coil for Construction Roof
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.  

 

Prepainted Aluminum Zinc Rolled Coil for Construction Images

 

Aluminum Zinc Rolled Coil For Construction Roof

Aluminum Zinc Rolled Coil For Construction Roof

 

Specifications of Prepainted Aluminum Zinc Rolled Coil for Construction 

Chemical Composition

GRADE

C

Si

Mn

P

S

Ti

SGCC/DX51D+Z

≤0.10

≤0.50

≤0.60

≤0.10

≤0.030

≤0.020

DX52D+Z

≤0.10

≤0.50

≤0.60

≤0.10

≤0.030

≤0.020

SGCD/DX53D+Z

≤0.10

≤0.30

≤0.50

≤0.05

≤0.030

≤0.020

SGCE/DX54D+Z

≤0.10

≤0.30

≤0.30

≤0.03

≤0.020

≤0.020

DX56D+Z

≤0.10

≤0.30

≤0.30

≤0.03

≤0.020

≤0.020

Structural

≤0.20

≤0.60

≤1.70

≤0.10

≤0.045

Mechanical Properties

GRADE

Yield Strength MPa

Tensile Strength MPa

Elongation %

SGCC(DX51D+Z)

≥205

≥270

-

SGCD(DX53D+Z)

-

≥270

38

SGCE(DX54D+Z)

-

≥270

40

DX56D+Z

-

≥270

42

 

FAQ of Prepainted Aluminum Zinc Rolled Coil for Construction

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: I know that they have steel shot in smaller sized pellets....say, number 4 shot. I guess it's for waterfowl, etc.Do they make steel buckshot? If not, why not? Would the pellets be too heavy? Wouldn't they have excellent penetration ability?
This Site Might Help You. RE: Do they manufacture steel buckshot? I know that they have steel shot in smaller sized pellets....say, number 4 shot. I guess it's for waterfowl, etc. Do they make steel buckshot? If not, why not? Would the pellets be too heavy? Wouldn't they have excellent penetration ability?
Q: What is the standard length of steel coils?
The standard length of steel coils can vary depending on the specific industry and application. However, a common standard length for steel coils is typically around 30 feet or 9.1 meters.
Q: You have two steel wool pads,one is cut up into little pieces, and the other is whole, and they are both submerged in water. 1.Which steel wool pad will rust quicker?2.How much faster will that pad rust? (estimate+explain the estimate)6.How could you make the steel wool pad rust faster?Please dont tell me to do my homework because I tried, but I bought the wrong type of steel wool
How to make it rust faster ? Adding oxygen to the water - bubbling air through it. Raising the temperature should make the reaction go faster, but I believe it also reduces the amount of dissolved gas. Adding salt, or an ionic compound like an acid, will accelerate electrochemical corrosion. That usually requires a less active metal, like copper, in contact with the steel, but variations in the composition of the steel may be sufficient to promote corrosion.
Q: What are the different methods of cut-to-length shearing for steel coils?
There are several methods of cut-to-length shearing for steel coils, each with its own advantages and applications. Some of the commonly used methods are: 1. Rotary Shearing: This method involves the use of a rotating shear blade that cuts through the coil. It offers high precision and can handle a wide range of material thicknesses. Rotary shearing is suitable for high-volume production and can achieve high cutting speeds. 2. Guillotine Shearing: In this method, a straight blade is used to cut through the coil. It is a versatile method that can handle various material thicknesses and widths. Guillotine shearing is relatively simple and efficient, making it a popular choice for many applications. 3. Slitting: Slitting involves making multiple longitudinal cuts in the coil to create narrower strips. It is commonly used when a coil needs to be divided into several smaller coils or when narrower strips are required for specific applications. Slitting can be done using either rotary or straight blades. 4. Laser Cutting: Laser cutting utilizes a high-powered laser beam to melt or vaporize the material, resulting in a clean and precise cut. It is ideal for cutting complex shapes or patterns and can handle both thin and thick steel coils. Laser cutting offers high accuracy and minimal material distortion. 5. Waterjet Cutting: Waterjet cutting uses a high-pressure stream of water mixed with abrasive particles to cut through the coil. This method is suitable for a wide range of materials, including steel, and can achieve high accuracy. Waterjet cutting is often used for cutting thick coils or when heat-affected zones need to be minimized. Each method has its own strengths and limitations, and the choice depends on factors such as material thickness, required precision, production volume, and specific application requirements. The selection of the most appropriate method is crucial to ensure efficient and high-quality cut-to-length shearing for steel coils.
Q: How are steel coils used in the production of roofing sheets?
Roofing sheets cannot be produced without steel coils, as they are an integral part of the manufacturing process. These coils are typically composed of high-quality steel, which is renowned for its strength, durability, and resistance to corrosion. To convert these coils into roofing sheets, several steps must be followed. To begin, the steel coils are loaded onto a machine known as a decoiler. This machine effortlessly unrolls the coils, allowing them to be fed into the production line. By doing so, the decoiler guarantees a continuous supply of steel, ensuring an uninterrupted manufacturing process. Subsequently, the steel coils pass through a series of rollers. These rollers are responsible for molding the steel into the desired shape, which is specific to the type of roofing sheet being produced. Depending on the project's requirements, the rollers can create various profiles, such as corrugated or standing seam. Once the shaping process is complete, the steel sheets often receive a protective coating. This coating, which can be zinc or other metallic alloys, is referred to as galvanized or galvalume coatings, respectively. These coatings provide an extra layer of defense against rust and corrosion. Following the application of the protective coating, the sheets are generally cut to the desired dimensions. This can be achieved using shearing machines or other cutting tools, ensuring that the roofing sheets are appropriately sized for installation. Finally, the roofing sheets are carefully packaged and prepared for transportation to construction sites. They are typically bundled together and securely wrapped to safeguard them during transit. In conclusion, steel coils play a vital role in the production of roofing sheets. Through shaping, coating, cutting, and packaging processes, these coils are transformed into finished products ready for installation. By utilizing steel coils, roofing sheets are rendered strong, durable, and resistant to various environmental factors, making them a popular choice in roofing applications.
Q: What are the common coil edge options?
The common coil edge options include open coil edges, closed coil edges, and double heat-treated coil edges.
Q: which elements are alloyed to make stainless steel?A Fe, CB Fe, MnC Fe, NiD Fe, CrE Fe, Cr, Ni
E. Stainless steel is mainly comprised of Cr and Ni. Steel is an alloy composed mainly of iron. On a side note, Carbon is not really in stainless steel and it is only less than .1%
Q: What are the common welding methods used for steel coils?
There are several common welding methods used for steel coils, depending on the specific requirements and applications. Some of the most widely used methods include: 1. Shielded Metal Arc Welding (SMAW): Also known as stick welding, SMAW uses an electrode coated in flux to create an arc between the electrode and the base metal. This method is commonly used for its simplicity and versatility, making it suitable for a wide range of steel coil welding applications. 2. Gas Metal Arc Welding (GMAW): Also known as MIG (Metal Inert Gas) welding, GMAW uses a continuous wire electrode and a shielding gas to protect the weld pool from atmospheric contamination. This method is favored for its high welding speed and excellent control over the welding process. 3. Flux-Cored Arc Welding (FCAW): Similar to GMAW, FCAW uses a continuously fed tubular electrode filled with flux to protect the weld pool. This method is often preferred for its high deposition rates and ability to weld thicker steel coils, making it ideal for heavy-duty applications. 4. Gas Tungsten Arc Welding (GTAW): Also known as TIG (Tungsten Inert Gas) welding, GTAW uses a non-consumable tungsten electrode and an inert gas shield to protect the weld pool. This method is commonly used for its precise control, high-quality welds, and ability to weld thin materials. 5. Submerged Arc Welding (SAW): SAW involves the formation of an arc between a continuously fed wire electrode and the steel coil, while a granular flux covers the arc and weld area. This method is frequently used for its high productivity and ability to weld thick materials. Each of these welding methods has its own advantages and limitations, and the choice of method depends on factors such as the thickness of the steel coil, desired welding speed, weld quality, and application requirements.
Q: What are the common welding defects in steel coils?
There are several common welding defects that can occur in steel coils during the welding process. These defects include: 1. Porosity: This is characterized by small holes or voids in the weld metal, which are caused by gas entrapment during the welding process. It can weaken the weld and make it more susceptible to corrosion. 2. Lack of fusion or incomplete penetration: This defect occurs when there is inadequate fusion between the base metal and the weld metal, or when the weld metal does not fully penetrate the joint. It can result in a weak or brittle weld. 3. Cracks: Cracks can occur in the weld metal or in the heat-affected zone (HAZ) of the base metal. They can be caused by factors such as high stress levels, improper cooling, or inadequate preheating. Cracks can significantly reduce the strength and integrity of the weld. 4. Undercutting: Undercutting is a groove or depression that forms at the toe of the weld due to excessive melting of the base metal. It weakens the weld and can lead to stress concentration and potential failure. 5. Excessive spatter: Spatter refers to the small droplets of molten metal that are expelled from the welding arc and can land on the surface of the steel coil. Excessive spatter can result in a rough or uneven surface finish and may require additional cleaning or grinding. To minimize these welding defects in steel coils, it is important to ensure proper weld preparation, including cleaning and removing any contaminants from the surface of the steel. Additionally, using the correct welding parameters, such as appropriate heat input and travel speed, can help to minimize defects. Regular inspection and quality control measures can also help to identify and address any defects before they become more serious issues.

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