• Pre-painted Rolled steel Coil for Construction Roofing System 1
  • Pre-painted Rolled steel Coil for Construction Roofing System 2
  • Pre-painted Rolled steel Coil for Construction Roofing System 3
  • Pre-painted Rolled steel Coil for Construction Roofing System 4
Pre-painted Rolled steel Coil for Construction Roofing

Pre-painted Rolled steel Coil for Construction Roofing

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
25 m.t./month

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Structure of Prepainted Rolled steel Coil for Construction Roofing

 Pre-painted 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.  

 

 

  Pre-painted Rolled steel Coil for Construction Roofing

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 types of steel coil packaging techniques?
In the industry, there are various steel coil packaging techniques commonly used. These techniques aim to safeguard the steel coils throughout storage, transportation, and handling, ensuring their arrival in excellent condition. One technique utilized is called "eye-to-the-sky" packaging, where the steel coils are vertically stacked with the coil's eye facing upward. They are then secured using steel strapping or banding. This method is commonly employed for smaller coils and effectively shields against damage caused by handling and transportation. Another typical packaging technique is "eye-to-the-wall" packaging. Here, the steel coils are horizontally stacked with the coil's eye facing the wall. They are also secured using steel strapping or banding. This particular method is often used for larger coils and provides enhanced stability during transportation. "Shrink-wrapping" is a third packaging technique wherein the steel coils are tightly wrapped in plastic shrink-wrap material. This offers protection against moisture, dust, and other contaminants. Shrink-wrapping is especially useful when steel coils need to be stored or transported outdoors or in harsh environments. Moreover, certain steel coil packaging techniques involve the usage of wooden pallets or skids. The coils are placed on these pallets or skids, which provide a stable base and enable easy handling using forklifts or other equipment. Additionally, the coils can be secured to the pallets or skids using steel strapping or banding. Ultimately, the selection of a steel coil packaging technique depends on factors like coil size, transportation requirements, and environmental conditions. By choosing the appropriate packaging technique, steel coils can be adequately protected and delivered to their destination without any damage or deterioration.
Q: What are the different coil cutting methods used for steel coils?
There are several coil cutting methods commonly used for steel coils, each with its own advantages and applications. These methods include shearing, slitting, and laser cutting. 1. Shearing: Shearing is a widely used method for cutting steel coils. It involves applying a high force to a set of blades, which cuts through the coil in a straight line. Shearing is ideal for cutting thick steel coils into smaller, more manageable sizes. It is a cost-effective method that can be used for high-volume production. 2. Slitting: Slitting is a process that involves cutting a wide coil into several narrower strips. This method is commonly used for steel coils that need to be transformed into various widths, such as those used in the manufacturing of automotive components, construction materials, and electrical appliances. Slitting machines use a set of circular knives to make precise cuts, ensuring minimal material loss and high accuracy. 3. Laser cutting: Laser cutting is a more advanced method that uses a high-powered laser beam to cut through steel coils. This process offers exceptional precision, allowing for intricate designs and complex shapes to be cut with ease. Laser cutting is suitable for thin to medium thickness steel coils and is often used in industries that require high-quality cuts, such as automotive, aerospace, and electronics. Each of these coil cutting methods has its own advantages and is chosen based on the specific requirements of the steel coils being processed. Factors such as coil thickness, desired accuracy, production volume, and the complexity of the cuts needed are all taken into account when determining the most appropriate cutting method.
Q: I want to buy a chain that will last a long time and that i can wear ALL the time.What are the disadvantages to stainless steel jewelry?Does it look as good as silver?Is there much diference in apperance?
This Site Might Help You. RE: What Are The Disadvantages Of Stainless Steel Jewelry? I want to buy a chain that will last a long time and that i can wear ALL the time. What are the disadvantages to stainless steel jewelry? Does it look as good as silver? Is there much diference in apperance?
Q: Is steel with a black coloring as strong as regular steel. if you are asking why i have two wordsBlack Katana.I know a katana is not made with normal steel, it is made of two types with varying grades of carbon to give it speacial properties, i just want to know if the black will make a difference.
There are many types of steel some very rigid, while you can have steel that is very flexible. The type of katana: steel is for Samurai swords
Q: If rail ties were melted, would they be like any other type of steel?
If you were to melt rail steel down and pour it into ingots, I doubt anyone would check to find it's source although a skilled metalurgist would know. While the steel was melted you could toss a handful of old horseshoes in and change the composition and no one would know. Good luck with your project, I would like to know how it turns out.
Q: I work with stainless steel a lot and I know it's rust resistant but it's definitly not STAIN resistant. You might be able to remove some stains easier from it than you can from some other surfaces but when it does stain, its hard as heck to clean it. It takes forever to scrub stains off my stainless steel pans so maybe it should just be called rustless steel?
Because it stains less than some other metals.
Q: What are the common challenges faced in steel coil production?
Some common challenges faced in steel coil production include ensuring consistent quality and thickness of the coil, maintaining efficient production rates, managing inventory and storage of coils, addressing issues related to coil surface defects and handling, and adhering to strict safety regulations. Additionally, fluctuations in raw material prices and market demand pose further challenges for steel coil producers.
Q: how many persent of manganese in all types of carbon steel
No problem with other answers but there is a high carbon/manganese steel called Hadfields Steel which has been used as armour plate in pilots seats in fighter aircraft in the second world war.This steel contains about 13% manganese and about 1.5 % carbon and is non-magnetic because it retains it's high temperature crystal type(austenite).When it is stuck with a bullet it absorbs the energy of the strike by changing crystal structure to the magnetic form of iron(in this case shock Martensite),I should think that it still has a role in the scoops and picks in earth-moving and farming blades.Well you did ask about all types of carbon steel!
Q: What are the dimensions of steel coils used in the energy sector?
The dimensions of steel coils utilized in the energy sector may differ depending on the specific application and requirements. However, typical dimensions for steel coils in the energy sector encompass a thickness range of 0.5mm to 5.0mm, with widths that usually span from 600mm to 2000mm. The diameter of the coil can also vary, with commonly employed sizes ranging from 1000mm to 2200mm. These dimensions are carefully selected to ensure that the coils can be easily transported, processed, and employed in various energy sector applications, such as power plants, oil and gas pipelines, and renewable energy projects. It is important to emphasize that these dimensions are not fixed and can be tailored according to specific project requirements.
Q: What are the trends and developments in the steel coil industry?
Some of the current trends and developments in the steel coil industry include increased demand for high-strength and lightweight steel coils due to their use in various industries such as automotive and construction. Technological advancements have also led to the development of advanced coating methods, improving the durability and corrosion resistance of steel coils. Additionally, there is a growing focus on sustainability and environmental friendliness, leading to the use of recycled steel and the implementation of energy-efficient manufacturing processes in the industry.

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