Prepainted Galvanised Corrugated Sheet System 1

Prepainted Galvanised Corrugated Sheet

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Product Description:

General Information Of Prepainted Galvanized Steel

With GI as base metal, after pretreatment (degrease and chemical treatment) and liquid dope with several layers of color, then after firing and cooling, finally the plate steel is called pre-painted galvanized steel. Pre-painted galvanized steel is good capable of decoration, molding, corrosion resistance. It generally displays superior workability, durability and weather resistance.

Thickness 0.23-1.2mm (BMT)

Zinc Coating 80-275g/m2

Color According to RAL color fan

Internal Diameter 508mm or 610mm

Coil Weight 4-8MT

Quality Commercial and structural quality

Paint Polyester paint for topside, epoxy for reverse

Standard JIS G 3312, ASTM A755M, EN 10169

Base Steel Grade

SGCC,SGCD,DX51D+Z,DX52D+Z;S200GD,S220GD, S280GD,S350GD,CS,FS,SS

Chemical Composition Of Prepainted Galvanized Steel

C	Si	Mn	P
0.04-0.06%	0.01-0.03%	0.18-0.22%	0.014-0.016%

Technical Data Of Prepainted Galvanized Steel

Yield Strength	(Mpa) 280-320
Tensile Strength	(Mpa) 340-390
Elongation	20%-30%
Reverse Impact	9J
T-bending	≥2T
Pencil Hardness	≥2H
Duration Of Salt Spray Test	500 H
Bending At 180 Degree	No crack, purling and fraction

Application Of Prepainted Galvanized Steel

Outdoor：

roof, roof structure, surface sheet of balcony, frame of window, door, door of garage, roller shutter door, booth, Persian blinds, cabana, etc.

In door:

door, isolater, frame of door, light steel structure of house, home electronic appliances, etc.

Packaging & Delivery Of Prepainted Galvanized Steel

Anti-damp paper inside full wrapped with plastic film, iron sheet outside on wooden pallet in 20 feet container with 25mt.

Q: What are the different sheet metal folding techniques for steel sheets?: There are several sheet metal folding techniques that can be used for steel sheets. These techniques are commonly employed in various industries, such as automotive, aerospace, and construction, to create complex shapes and structures. Some of the most common sheet metal folding techniques for steel sheets include: 1. Box and Pan Folding: This technique involves bending the sheet metal along multiple parallel edges to create a box-like shape. It is commonly used to create enclosures, cabinets, and trays. 2. Hemming: Hemming is a technique used to fold the edges of a sheet metal component to increase its rigidity and eliminate sharp edges. It is often used in the automotive industry for creating panels and body parts. 3. Brake Press Folding: A brake press is a machine tool that utilizes a hydraulic or mechanical press to bend the sheet metal. It allows for precise and accurate folding by adjusting the angle and depth of the bend. Brake press folding is one of the most commonly used techniques in sheet metal fabrication. 4. Roll Forming: Roll forming is a continuous bending process where the sheet metal is passed through a series of rollers to gradually shape it into a desired profile. It is suitable for creating long and continuous shapes, such as tubes and channels. 5. Rotary Folding: In rotary folding, a rotating tool is used to fold the sheet metal along a curved or circular path. This technique is often used to create rounded edges, curves, and cylindrical shapes. 6. Folding Machines: Folding machines are specifically designed to fold sheet metal by applying pressure along a predetermined line. These machines can be programmed to perform various folding operations, including simple bends, complex shapes, and multiple folds. Each of these sheet metal folding techniques has its advantages and limitations, and the choice of technique depends on factors such as the complexity of the design, required precision, and production volume. Skilled craftsmen and specialized machinery are often employed to ensure accurate and efficient folding of steel sheets.

Q: What is the difference between a hot rolled and hot dipped galvanized steel sheet?: A hot rolled steel sheet is produced by rolling the steel at high temperatures, typically above 1,000 degrees Fahrenheit. This process allows the steel to be shaped and formed easily, resulting in a sheet with a rougher and less precise surface finish. Hot rolled steel sheets are commonly used in applications where strength and durability are key factors, such as in construction and structural projects. On the other hand, a hot dipped galvanized steel sheet goes through an additional process after being hot rolled. The steel sheet is immersed in a bath of molten zinc, which creates a protective coating on the surface of the steel. This coating provides excellent corrosion resistance and helps to prevent rusting, making hot dipped galvanized steel sheets ideal for outdoor and exposed applications. The main difference between the two types of steel sheets lies in their surface finish and protective properties. While hot rolled steel sheets have a rougher surface, hot dipped galvanized steel sheets have a smoother and more uniform appearance due to the zinc coating. Additionally, the galvanization process provides enhanced corrosion protection to the steel, extending its lifespan and making it suitable for harsh environments. In summary, hot rolled steel sheets are versatile and commonly used in various applications, while hot dipped galvanized steel sheets offer added protection against corrosion and are often preferred for outdoor or exposed applications.

Q: Can steel sheets be used for electrical motors?: Yes, steel sheets can be used for electrical motors. Steel is commonly used in the construction of electrical motors due to its magnetic properties. The sheets of steel are typically used to create the core of the motor, which is responsible for generating the magnetic field necessary for the motor's operation. Steel has a high magnetic permeability, which means it can easily conduct and channel magnetic flux, making it an ideal material for this purpose. Additionally, steel is durable and can withstand the high temperatures and mechanical stresses that electrical motors may experience during operation. Therefore, steel sheets are often chosen as a reliable and cost-effective option for constructing electrical motors.

Q: What is the cost of steel sheets?: The cost of steel sheets can vary depending on various factors such as size, thickness, grade, and market conditions. It is recommended to contact suppliers or check current market prices for accurate and up-to-date information.

Q: Can steel sheets be used for artistic or sculptural projects?: Yes, steel sheets can be used for artistic or sculptural projects. Steel sheets offer durability, strength, and versatility, making them a popular choice for artists and sculptors. They can be cut, shaped, welded, and manipulated to create various forms and designs, allowing artists to unleash their creativity and bring their visions to life. Additionally, steel sheets can be finished with different coatings or patinas to enhance their aesthetic appeal and protect them from corrosion.

Q: Can steel sheets be used for solar panel support structures?: Yes, steel sheets can be used for solar panel support structures. Steel provides excellent strength, durability, and load-bearing capacity, making it a suitable material for supporting the weight of solar panels and withstanding environmental conditions. Additionally, steel sheets can be easily fabricated and customized to meet specific design requirements for solar panel installations.

Q: Can steel sheets be rolled into cylinders or tubes?: Yes, steel sheets can be rolled into cylinders or tubes through a process called roll forming.

Q: Are steel sheets prone to warping or buckling?: Yes, steel sheets are prone to warping or buckling under certain conditions.

Q: Can steel sheets be used in the telecommunications industry?: Yes, steel sheets can be used in the telecommunications industry. Steel sheets are often used for constructing telecommunication towers and mast structures due to their strength, durability, and ability to withstand harsh weather conditions.

Q: Are the steel sheets resistant to staining or discoloration?: Yes, steel sheets are highly resistant to staining or discoloration. Steel is known for its durability and non-porous surface, which makes it resistant to the absorption of liquids or chemicals that may cause staining. Additionally, steel sheets are often coated with protective finishes or treatments that further enhance their resistance to staining or discoloration. These coatings act as a barrier, preventing any potential staining agents from penetrating the surface of the steel. Therefore, steel sheets are an excellent choice for applications where resistance to staining or discoloration is important, such as in kitchen appliances, automotive parts, or outdoor structures.

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