Prepainted Rolled Steel Coil for Roofing

Prepainted Rolled Steel Coil for Roofing

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic description Info.

Surface Treatment:Coated

Technique:Cold Rolled

Standard:JIS

Color:All Ral Color Are Available

Zinc Coating:30-120G/M2

Width:914-1250mm

Thickness:0.18-0.6mm

Export Markets:Global

Additional Info.

Trademark:VST

Packing:Standard Export Package

Origin:China

Production Capacity:10000t/Month

Product Description

Main Feature:

1, Pre-painted Steel Coil Can be used in building material field, galvanized wire steel tape and mainly other fields.

2, All color can be customized

3, Good quality with competitive price

Performance testing of color coated steel coil
Item	Method	Consequence
Tensile Test	Tic-Tac-9mm 5mm cross cupping	No damage
Bending Test	T≤ 3	No damage
Boiling Test	100° Cboiling 1 hour	No damage
Water Resistance	1000hours immersion in 40° C(edge)	No damage
Moisture Resistance	50° C90%100hours(edge)	No damage
Fire Resistance	Samples were placed in incubators, remove greenhouse cooling, and then test the adhesion	Long-term Environment in 100° C
Fire Extinction	Liquefied petroleum gas or natural gas burner	Immediately turn off
Drug Resistance	10%hydrochloric acid, saturated calcium, 10%H2SO4, 10%NAOH, gasoline, ethanol	No color and trace change
Salt spray test	5%Nacl, 35± 2° C, 500hours	No damage

Coating performance test standard
Test item	Positive standard	Back standard
Dry film thickness(um)	14-16	7-9
Glass(60degree)	High 70± 5, medium40± 5, low30± 5	30± 5degree
T bending	3	3
Impact strength	6.3	5.8
Pencil hardness(H)	H	H
MEK(Per)	> 100	> 100
Cross cut	0 class	0 class
Acid resistance	50%H2SO4 immersion in300hrs, no color, wrinkling, fading, change
Alkali resistance	50%H2SO4 immersion in300hrs, no color, wrinkling, fading, change
Aging-resistance	1 st class loss of color and glass
Salt spray	500

FAQ

1.What's your MOQ?
25MT, it is for one container.
2.Do you have QC teams?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness and width ,it is about 20-40days. But don't worry ,we also try our best for the delivery time ,because time longer and our cost is higher.
4.Are the products tested before shipping?
Yes, all of our PPGI and GI was qualified before shipping. We test every batch every day.

Q:How are steel coils used in the production of kitchenware?: Steel coils are used in the production of kitchenware as they are unrolled and cut into specific shapes and sizes to form the base or body of various utensils like pots, pans, and trays. The coils are then shaped, molded, and welded to create the desired kitchenware products, which are further processed for surface finishing, such as polishing or coating, before being ready for use in households or commercial settings.

Q:How do steel coils contribute to the manufacturing of steel furniture?: Steel coils play a crucial role in the manufacturing of steel furniture. These coils, which are made of high-quality steel, serve as the primary raw material for the production of various furniture items. Firstly, steel coils are used to create the framework and structure of steel furniture. These coils can be easily cut, shaped, and welded into various shapes and sizes, allowing manufacturers to create sturdy and durable furniture frames. The flexibility of steel coils enables the production of furniture with intricate designs and unique shapes, providing both functional and aesthetic value. Additionally, steel coils are also used in the production of springs for furniture such as sofas and chairs. The elasticity and strength of the steel coils make them ideal for creating comfortable and supportive seating options. These coils are carefully formed and integrated into the furniture, ensuring that the seating surface provides the necessary resilience and flexibility for a comfortable experience. Moreover, steel coils contribute to the overall durability and longevity of steel furniture. Steel is known for its high tensile strength and resistance to wear and tear, making it an excellent choice for furniture that is subjected to heavy use and weight load. The use of steel coils ensures that the furniture can withstand years of regular use without compromising its structural integrity. Furthermore, steel coils are often treated with various finishes and coatings to enhance their appearance and protect them from corrosion. These coatings can be applied to the coils before they are shaped into furniture components, ensuring that the final product maintains its aesthetic appeal and remains resistant to rust and other forms of damage. In conclusion, steel coils are an essential component in the manufacturing of steel furniture. They provide the necessary strength, flexibility, and durability required to create sturdy furniture frames, comfortable seating surfaces, and long-lasting products. Without steel coils, the production of steel furniture would not be possible, and the quality and performance of the final products would be compromised.

Q:How do steel coils contribute to the aerospace manufacturing industry?: The aerospace manufacturing industry heavily relies on steel coils due to their numerous benefits and contributions to overall aircraft production efficiency and quality. To begin with, steel coils are essential in fabricating various structural components of an aircraft, including wings, fuselage, and landing gear. Steel's high strength and durability make it an appropriate material for these critical parts, guaranteeing aircraft safety and reliability. Moreover, steel coils provide the raw material necessary for the precise manufacturing processes required in the aerospace industry, enabling the creation of lightweight yet sturdy structures capable of withstanding the demanding flight conditions. Apart from their structural applications, steel coils also find use in producing smaller aircraft components, such as fasteners, connectors, and brackets that hold different parts of the aircraft together. Steel's exceptional mechanical properties, including resistance to fatigue and corrosion, make it a preferred choice for these components, ensuring their long-term performance and safety. Furthermore, steel coils contribute to the aerospace manufacturing industry by facilitating cost-effective production processes. Steel is widely available in large quantities, making it a cost-efficient material for aircraft manufacturing. Additionally, the ability to produce steel coils in various sizes and thicknesses allows manufacturers to tailor their production to specific aircraft models or design requirements, minimizing waste and optimizing resource allocation. Moreover, steel coils offer inherent recyclability, which aligns with the aerospace industry's increasing focus on sustainability. Recycled steel can be used to produce new coils, reducing the need for raw material extraction and minimizing environmental impact. This circularity in the use of steel coils supports the aerospace industry's efforts towards a more sustainable and environmentally friendly manufacturing process. In conclusion, steel coils play a vital role in the aerospace manufacturing industry by providing the necessary materials for aircraft structures and components. Their strength, durability, cost-effectiveness, and recyclability make them a valuable resource, ensuring the safety, reliability, efficiency, and sustainability of aircraft production.

Q:What are the different types of steel coil slitting processes?: There are several different types of steel coil slitting processes, each with its own benefits and considerations. Here are some of the most common types: 1. Rotary slitting: This is the most traditional and widely used slitting process. It involves a rotating circular blade that cuts through the coil. Rotary slitting is highly precise and can produce narrow strips, making it suitable for a wide range of applications. 2. Loop slitting: In this process, the coil is fed through a loop before being cut. Loop slitting allows for high-speed processing and can handle thicker materials. It is commonly used for heavy-duty applications and large coils. 3. Drag slitting: Also known as shear slitting, this process uses a stationary blade that pulls the material through to make the cut. Drag slitting is suitable for thinner materials and offers a high-quality edge finish. 4. Crush slitting: This process involves pressing the material between two rollers to make the cut. Crush slitting is commonly used for delicate materials that require a gentle cutting action. It can produce clean cuts and minimize burrs. 5. Laser slitting: As the name suggests, this process uses a laser beam to cut through the coil. Laser slitting offers high precision and can handle a wide range of materials. It is particularly useful for specialty steels and thin strips. Each type of steel coil slitting process has its own advantages and limitations, so it's important to consider factors such as material thickness, coil size, and required strip width when choosing the appropriate method. Additionally, factors like cost, speed, and edge finish should also be taken into account to determine the best process for a specific application.

Q:How are steel coils used in the production of automotive exhaust systems?: Steel coils are typically used in the production of automotive exhaust systems as they provide the necessary material for manufacturing exhaust pipes and components. The coils are often processed and shaped into the desired forms, such as tubes or mufflers, and then welded or fastened together to create the exhaust system. Steel coils are favored due to their durability, heat resistance, and ability to withstand the harsh conditions of exhaust gases, ensuring the longevity and efficiency of the automotive exhaust system.

Q:Can steel coils be used in the production of furniture?: Yes, steel coils can be used in the production of furniture. Steel coils can be used to create sturdy frames for furniture such as chairs and sofas. The coils can be shaped and welded together to provide support and durability to the furniture.

Q:i mean cor ten steel( rusted): Bill summed it up pretty quick and provided a link. For some reason you are focusing on the copper content when it really is insignificant in the overall picture of the sun hitting its surface. If you could elaborate more, maybe we could offer a better answer.

Q:How are steel coils used in the production of electrical transmission poles?: Steel coils are used in the production of electrical transmission poles as the primary material for constructing the pole itself. The steel coils are typically cut and shaped into the desired dimensions, then welded together to form the pole structure. This provides strength, durability, and stability to withstand the load and environmental conditions associated with electrical transmission lines.

Q:We all know that when we drop a small steel ball (size 3mm diameter; weight 1.10 grams) and a paper (size 11.7 inches length and 8.3 inches breadth; weight 4.5 grams) from a height. The steel ball will win the race to the ground due to its aerodynamic structure.Now imagine the same steel ball with the same weight converted to the structure similar that of paper. What will be the result? Which object will fall first; steel sheet or paper?: The 2 objects will have the same size and shape. Therefore they will have the same air resistance. So the heavier object (the sheet of paper) will reach the ground first.

Q:How are steel coils used in the manufacturing of tools and equipment?: Steel coils are used in the manufacturing of tools and equipment as they are typically shaped and cut into various components such as blades, springs, and handles. These coils provide the necessary strength and durability required for the tools and equipment to withstand heavy usage and perform effectively.

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