• Color Rolled Galvalume Steel coil for Roof System 1
  • Color Rolled Galvalume Steel coil for Roof System 2
  • Color Rolled Galvalume Steel coil for Roof System 3
Color Rolled Galvalume Steel coil for Roof

Color Rolled Galvalume Steel coil for 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 Color Rolled Galvalume Steel Coil for Roof

 Color Rolled Galvalume Steel coil for Roof

Description of Color Rolled Galvalume Steel Coil for Roof
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 Color Rolled Galvalume Steel Coil for 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 Color Rolled Galvalume Steel Coil for 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.  

 

Color Rolled Galvalume Steel coil for Roof

Color Rolled Galvalume Steel coil for Roof

Color Rolled Galvalume Steel Coil for Roof Images

 Color Rolled Galvalume Steel coil for 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: How are steel coils secured during transportation?
Steel coils are typically secured during transportation using metal bands or straps, which are tightly fastened around the coils to prevent them from shifting or falling off. Additionally, wooden blocks or dunnage may be used to provide stability and prevent movement within the transportation container.
Q: How are steel coils used in the production of oil and gas equipment?
Steel coils are used in the production of oil and gas equipment as they are typically shaped and welded to create various components such as pipes, tanks, and pressure vessels. These coils provide a strong and durable foundation for the equipment, ensuring it can withstand the harsh conditions and high pressures associated with oil and gas extraction and processing.
Q: What is the difference between galvanized and galvalume steel coils?
Both galvanized and galvalume steel coils have undergone a coating process to enhance their durability and resistance to corrosion. However, there are distinct differences between the two. Galvanized steel coils have a layer of zinc coating, which provides excellent corrosion resistance and protects the underlying steel from rust and other forms of deterioration. The zinc coating also acts as a barrier against moisture and prevents direct contact between the steel and the elements. Galvanized steel coils are commonly used in construction, automotive manufacturing, and agricultural equipment, where corrosion resistance is crucial. On the other hand, galvalume steel coils are coated with a combination of zinc and aluminum. This unique coating composition offers enhanced corrosion resistance compared to galvanized steel coils. The aluminum in the coating acts as a sacrificial anode, providing additional protection to the steel by sacrificially corroding instead. This sacrificial protection mechanism helps the underlying steel remain intact and prevents the spread of corrosion even if the coating is damaged. Galvalume steel coils are often used in environments with extreme weather conditions and high humidity, making them suitable for roofing, siding, and other outdoor applications. To summarize, the main difference between galvanized and galvalume steel coils lies in the composition of their coatings. Galvanized steel has a zinc coating, while galvalume steel has a combination of zinc and aluminum. Galvalume steel offers superior corrosion resistance due to the sacrificial protection provided by the aluminum in the coating. The choice between the two depends on the specific application and the level of corrosion resistance required.
Q: On how to reinforce steel coils in a container
In the bottom and sides with a thick strip stuck, but also to ensure that the wood will not loosen down...... Rough steel rolls, I saw people loading and unloading on the docks, poked them directly with a small forklift truck, and then reinforced with wooden planks
Q: I'm buying a new set of steel plugs.I've heard things about streched ears and cold weather not being to good. do you think it would be bad to be wearing steal plugs?
I have never had a problem with mine in any weather. They may feel a little tighter if you are cold, but if it is uncomfortable, just take 'em out!
Q: What are the pros and cons to selecting a graphite shaft sand wedge over steel shaft?
Graphite Shaft Wedges
Q: Maybe it is obvious. But i have thought alot about it.I thought steel at a cool temperature was unbreakable. I am not one for science or physics or engineering (i am a political science major). But i don't understand why the planes that struck the world trade center on 9-11 didn't just dent the side and fall,How did the place break the steel? Was it the velocity? Is steel easily broken?I realized that i wasn't taught how the planes broke the steel, and that no one ever asked. I searched the web and i couldn't find the answer or even anyone who had asked the question before.(i don't care about conspiracy theories, i just want scientific facts)
steel is not unbreakable. the world trade centers had a steel infrstructure, but were mostly glass and materials with many other flaws. steel is not the top of the rocwell scale(materials rated by thier hardness) when the planes impacted the outside of the buildings, you have to take into account that the planes skins and infrastructure where made of aluminum(too keep weight down) so once the outer skin of the planes was breached, you have to account for the heat created by burning fuel, friction, and the momentum of a vehicle that weighs tons hitting an immovible object. just keep in mind that if you propel a piece of straw at an proper speed, you can have it impale a full grown palm tree
Q: How do steel coils contribute to the aerospace industry?
Steel coils contribute to the aerospace industry by being used in the manufacturing of various aircraft components such as engine parts, landing gear, and structural elements. The high strength and durability of steel make it a preferred material for these applications, ensuring the safety and reliability of aircraft. Additionally, steel coils are also used in the production of specialized tools and equipment required for aerospace manufacturing processes.
Q: How are steel coils used in the production of metal shelving?
Steel coils are used in the production of metal shelving by being processed and formed into the desired shape and size. The coils are unwound and then either cut or shaped using various techniques such as bending, welding, and punching. This allows for the creation of sturdy and durable shelves that can hold heavy loads.
Q: How are steel coils used in the construction of buildings?
Steel coils are used in the construction of buildings for various purposes, primarily for structural support. These coils are typically used to create steel frames, beams, and columns that provide strength and stability to the structure. Additionally, steel coils are also used in the production of roofing materials, wall cladding, and reinforcement bars, which further enhance the durability and safety of the building.

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