• Prepainted aluminum zinc rolled Coil for Construction Roof System 1
  • Prepainted aluminum zinc rolled Coil for Construction Roof System 2
  • Prepainted aluminum zinc rolled Coil for Construction Roof System 3
Prepainted aluminum zinc rolled Coil for Construction Roof

Prepainted 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

 Prepainted 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.  

 

 

 

 

Specifications of Prepainted Aluminum Zinc Rolled Coil for Construction 

Product

Hot Dipped Galvanized Steel Coil / Galvalume /Aluzinc Steel coil

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

3-6 tons

Export package

Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed

 

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?
Carbon steel chef's knives out perform stainless in every aspect except 1, care. You can't put them in a dishwasher. Wash, rinse and dry off. Do not keep them in a drawer filled with other kitchen stuff, rather, keep them in a cabinet or block. If it starts to rust you can use steel wool to clean them up, or fine grit sandpaper if you want to retain a fine finish. For your viewing pleasure, a chef's knife I forged from crane cable.
Q:hey... i don't need to change my strings, but i found a set of Bronze acoustic guitar strings by pure tone... i have a few questions on them:can i put them on a steel string guitar? i know i can't put nylon strings on... but i don't see why i can't put bronzethey are light gauze... i have no idea what my current gauze is, but i play in Dropped D tuning... so would the E/D string (6th) be too loose? finally, can you get strings designed to be played in Drop D?any help is apprechiated :D
Are you talking about a steel guitar or a steel string guitar. Bronze strings won't work properly on a steel/lap steel/electric guitar but hey are designed to be played on an acoustic or acoustic electric steel string guitar. Light gauge strings are OK. However, the low E may be too thin if you tune that down to D. Another thing to consider is that the neck truss rod probably needs to be adjusted slightly if you change string gauge. This procedure is fast and simple if you know what you're doing. You should however leave it to someone else if you don't know how it's done. If you play all the time in drop D, I would probably use a set of medium strings or have a light set and use a heavier low E-string. Personally, I use drop D on my acoustics from time to time. I use light strings and find this to work well for me.
Q:How can I owe a Pre-engineered Steel Building?
You just have to do small efforts for owing a steel building: Firstly you have to finalize a steel building company for construction work. After finalizing the steel building company, the next step is the paperwork - the agreements and contracts. Some steel building companies may also ask for a verbal approval for the factories to get the work started.
Q:Is it just because brass is reloadable? But what makes it reloadable? What does brass bring to the equation that the steel cased ammo can't do?
Brass is slightly softer than annealed steel. Both can be reloaded, once or maybe even twice. But STEEL has a tendency to WORK HARDEN, becoming brittle. Which is why it's used for tools and other applications where work hardening is a plus. It's actually designed to do that. Brass does not work harden, because it is a different sort of metal. That's the main reason.
Q:What are the different grades of steel used in coil production?
There are several grades of steel used in coil production, including low carbon steel, high carbon steel, stainless steel, and galvanized steel. Each grade has its own unique properties and is chosen based on the specific requirements of the coil application.
Q:How are steel coils inspected for straightness using laser alignment?
Steel coils are inspected for straightness using laser alignment by placing laser sensors on opposite sides of the coil. The laser sensors emit a beam of light which is reflected onto a target. The target detects any deviations or inconsistencies in the laser beam, indicating any irregularities or deviations in the straightness of the coil. The data collected from the laser alignment system is then analyzed to determine if the coil meets the required straightness standards.
Q:How do steel coils contribute to the circular economy?
The recyclability and reusability of steel coils make them valuable contributors to the circular economy. The main goal of the circular economy is to minimize waste and promote the continuous use of resources, and steel coils align perfectly with this concept. To begin with, steel coils are manufactured using recycled steel, which reduces the need for extracting raw materials and the associated negative environmental effects. By utilizing recycled steel, we can conserve natural resources and decrease energy consumption in the manufacturing process. This practice not only lowers carbon emissions but also decreases the overall ecological footprint. Furthermore, steel coils can be easily recycled once they reach the end of their lifespan. Steel has one of the highest recycling rates globally. When the coils are no longer in use, they can be collected, processed, and transformed into new steel products without losing their properties or quality. This closed-loop recycling system ensures that steel resources are continuously utilized, reducing the need for virgin steel production. In addition, steel coils support the circular economy by enabling the production of durable and long-lasting products. Steel is renowned for its strength and durability, making it ideal for various applications such as construction, automotive, and packaging. By using steel coils, we can manufacture products with extended lifespans, minimizing the need for frequent replacements and reducing waste generation. Moreover, steel coils can be reused multiple times before being recycled. They can be rewound, reshaped, or repurposed for different applications, thus extending their lifecycle and reducing the demand for new coils. This aspect of reusability contributes to resource efficiency and waste reduction. To summarize, steel coils play a significant role in the circular economy by being made from recycled steel, easily recyclable themselves, enabling the production of durable products, and promoting reuse. Their contribution helps close the loop in the steel industry, conserves natural resources, reduces waste generation, and minimizes environmental impact.
Q:How are steel coils used in the production of packaging machinery?
Steel coils are used in the production of packaging machinery as they serve as the raw material for manufacturing various components of the machinery, such as frames, supports, and structural elements. The steel coils are processed through cutting, bending, and welding to create the necessary parts, ensuring durability and stability in the packaging machinery's construction.
Q:I have a knife with AUS8 Stainless Steel. No idea what that means. I want to know some of the best stainless steels for knifes and all you can tell me about stainless steel would be great. I was browsing google and looking at grades and had no idea what all the numbers meant. Thanks!
Actually-good grades of stainless is superior to high carbon steels which has been proven by countless tests. Aus8 is a japanese steel from what I know, so I'm not sure what the letter and number designation means. From what I know, Aus8 has similar properties to 440B though with a carbon content of around ~.74%. This is lower content then most other blade steels meaning it has lower edge retention. The stainless steels I'd consider to be best are: Ats-34: Less corrosion resistant then 440c, but is tougher then 440c and still holds a edge quite well 440c: Probably the best all around steel on the market for its price. Highest corrosion resistance and very good edge retention. I wouldn't recommend it on choppers though, a tougher steel like the one mentioned above would probably be better for that. A/B/C indicates the carbon content going from least to greatest. 4xx indicates that its a chrome martensitic steel. 40 indicates that its a high carbon grade compared to (4)20 which has less then .5 percent. CpmS30v: Slightly lower corrosion resistance then 440c due to it not taking a mirror finish, but very high edge retention and improved toughness. Cpm indicates that it's made by compressed particle metallurgy while the v indicates that its a vanadium alloy. I'm not sure what the S30 indicates.
Q:How are steel coils heat treated?
Annealing is the method used to heat treat steel coils, resulting in improved mechanical properties and overall performance. To achieve this, the coils are heated to a specific temperature and slowly cooled down. This process relieves internal stresses within the steel and enhances its performance. To begin the heating process, the steel coils are raised to a critical temperature, typically between 800°C and 900°C, depending on the desired outcome. They are then maintained at this temperature for a specific period of time, allowing for the transformation of the steel's microstructure. Once the desired time has passed, the heated coils are carefully cooled down in a controlled manner. This gradual cooling process is crucial as it allows for a uniform and refined microstructure. It also helps prevent the formation of internal stresses that could weaken the steel. The annealing process can be conducted in various atmospheres, such as air, nitrogen, or hydrogen. The choice of atmosphere depends on the specific requirements and properties desired for the steel coils. For example, annealing in a protective atmosphere like nitrogen or hydrogen can prevent oxidation or decarburization of the steel surface. In conclusion, annealing is a crucial step in heat treating steel coils, resulting in improved mechanical properties, enhanced formability, and the desired characteristics for industrial applications.

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