prepainted steel roof sheet / colour corrugated prepainted sheet

prepainted steel roof sheet / colour corrugated prepainted sheet System 1

prepainted steel roof sheet / colour corrugated prepainted sheet

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 10 m

Supply Capability:: 1000 m/month

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Quick Details

Standard:	AISI,ASTM,DIN,GB,JIS	Grade:	AISI,ASTM,BS,DIN,GB,JIS	Thickness:	0.17mm-0.6mm
Place of Origin:	China (Mainland)	Brand Name:		Model Number:	Corrugated sheet
Type:	Steel Plate	Technique:	Cold Rolled	Surface Treatment:	Coated
Application:	Roofing,Ceiling,Roof	Special Use:	High-strength Steel Plate	Width:	600-1250mm
Length:	as per customers request	Zinc coating:	60-275g/m2	Surface processing:	Regular spangle,minimal spangle

Packaging & Delivery

Packaging Detail:	Standard seaworthy or as your requirement.
Delivery Detail:	Within 9 days after confirming the order.

Specifications

Prepaint corrugated roofing sheet
1.our material are from big mill
2.surface and edge is glossy
3.our package is export pa

Prepainted corrugated steel roofing sheets

Production

Standard	JIS G3302 1998, ASTM A653M/A924M 2004,or according to your request
Thickness	0.13mm-1.5mm
Width	400mm-1250mm
Tolerance	Thickness: +/-0.02mm Width:+/-2mm
Length	We can adjust the length according to your request
Wave depth	As to requirement
Zinc Coating	40g/m2-275g/m2
Surface treatment	Color-Coated & Galvanized
Color	All RAL color
Coat	25±5μm on front coating and 7± 2μm on back coating
Temper	1.Full hard
	2.Commercial quality
	3. Dry, chromate, skin passed, tension level, shining.
Spangle	Regular spangle, minimized spangle and zero spangle
Tensile Strength	>300mpa
Yield Strength	370-380mpa
Application	various roofs or walls referring to the large size factory buildings, storages, exhibition halls, gymnasiums etc.
MOQ	50Ton

Specification

Process ability	Yield strength	Tensile strength	Elongation %	180°cold-bending
Common PV	-	270-500	-	d=0,intact,no zinc removal
Mechanical interlocking JY	-	270-500	-	d=0,intact,no zinc removal
Structure JG	>=240	>=370	>=18	d=0,intact,no zinc removal
Deep drawn SC	-	270-380	>=30
EDDQ SC	-	270-380	>=30	d=0,intact,no zinc removal

Q: Are steel sheets suitable for exterior cladding?: Indeed, exterior cladding can be accomplished with steel sheets. Steel, as a material, possesses durability and strength, rendering it capable of enduring diverse weather conditions such as intense sunlight, torrential rain, and extreme temperatures. It exhibits resistance towards corrosion and avoids warping or rotting, unlike alternative materials. Steel sheets further offer an array of colors and finishes, catering to a broad spectrum of design possibilities. Moreover, the installation and maintenance of steel cladding are effortless, thereby contributing to its widespread usage for exterior purposes. Consequently, steel sheets offer a dependable and visually appealing choice for exterior cladding.

Q: What is the difference between a perforated and expanded steel sheet?: A perforated steel sheet is a flat metal sheet with evenly spaced holes, typically created through a mechanical punching process. On the other hand, an expanded steel sheet is formed by cutting and stretching a solid metal sheet, resulting in a grid-like pattern with diamond-shaped openings. While both provide ventilation, drainage, and visibility, perforated sheets offer more precise hole patterns and sizes, making them suitable for applications that require specific hole arrangements. Expanded sheets, on the other hand, provide a more rigid structure, making them ideal for walkways, catwalks, and platforms.

Q: What are the common lengths of steel sheets?: Common lengths of steel sheets can vary depending on the specific application and industry requirements. However, some commonly available lengths include 8 feet (2.44 meters), 10 feet (3.05 meters), and 12 feet (3.66 meters).

Q: Can steel sheets be used for structural applications?: Yes, steel sheets can be used for structural applications. Steel sheets are commonly used in construction and engineering projects due to their high strength, durability, and versatility. They can be fabricated and shaped into various forms such as beams, columns, and plates to provide structural support in buildings, bridges, and other infrastructure.

Q: Can steel sheets be used for making shipping containers?: Yes, steel sheets can be used for making shipping containers. Steel is a commonly used material in the construction of shipping containers due to its strength, durability, and ability to withstand harsh weather conditions.

Q: What is the process of embossing on steel sheets?: Embossing on steel sheets involves the creation of raised or recessed designs on the surface. This technique is commonly used for texture enhancement, aesthetic improvement, or to enhance the mechanical properties of the steel. To begin the embossing process, the steel sheets are prepared. This involves cleaning the surface to remove any dirt, oils, or coatings that could interfere with the embossing. The sheets are then inspected for imperfections or defects that may impact the embossing quality. Once prepared, the steel sheets are placed in an embossing machine consisting of two or more rollers. These rollers have engraved patterns that will be transferred onto the steel sheets. They are typically made of hardened steel or other durable materials. As the steel sheets pass through the embossing machine, pressure is applied to the rollers, causing them to press against the steel surface. This creates a plastic deformation in the sheet, resulting in the desired raised or recessed pattern. The depth and intensity of the embossing can be adjusted by controlling the pressure applied by the rollers. In certain cases, heat may be used during the embossing process to soften the steel sheets, making them more malleable. This allows for deeper and more intricate embossing patterns. The temperature and duration of the heating process depend on the type of steel and desired outcome. After embossing, the steel sheets may undergo additional treatments such as cleaning, coating, or polishing to further enhance their appearance and protect them from corrosion. These finishing steps ensure that the embossed steel sheets meet quality standards and are ready for use. Overall, embossing on steel sheets is a versatile and effective method for adding texture and visual interest. It requires careful preparation, precise machinery, and skilled operators to achieve consistent and high-quality results.

Q: How are steel sheets made?: Steel sheets are made through a process called hot rolling, where steel ingots are heated and passed through a series of rolling mills to reduce their thickness and shape them into flat sheets.

Q: Can steel sheets be bent without causing damage?: Yes, steel sheets can be bent without causing damage, provided that the bending process is done carefully and within the limits of the material's properties. Steel sheets are commonly bent using various techniques such as press brake bending or roll bending. These processes involve applying controlled force and pressure to the sheet to achieve the desired shape without causing any permanent deformation or damage. The ability to bend steel sheets without damage depends on several factors, including the thickness and grade of the steel, the bending radius, and the equipment and technique used. Thinner sheets are generally more flexible and easier to bend, while thicker sheets may require higher forces and specialized equipment. It is essential to consider the steel's tensile strength, yield strength, and elongation properties to ensure that the bending process does not exceed its limits. Excessive bending can lead to cracks, fractures, or permanent deformations, compromising the sheet's structural integrity. To prevent damage during bending, it is crucial to follow proper bending techniques and guidelines. This includes using appropriate tooling, ensuring even distribution of force, and avoiding sharp changes in direction or excessive bending angles. Additionally, preheating the steel sheet can make it more pliable and reduce the risk of damage. In summary, steel sheets can be bent without causing damage, but it requires careful consideration of the material's properties, proper equipment, and adherence to bending guidelines. By employing the right techniques and precautions, steel sheets can be successfully bent into various shapes and forms while maintaining their structural integrity.

Q: Are steel sheets resistant to UV rays?: Steel sheets do not possess inherent resistance to UV rays, contrary to belief. UV damage can indeed affect steel, leading to fading, discoloration, or even corrosion with the passage of time. However, the degree of harm incurred is contingent upon several factors, including the steel type, sheet thickness, UV exposure specifics, and presence of protective coatings. In order to bolster the UV resistance of steel sheets, manufacturers commonly administer coatings like paint, powder coatings, or galvanized finishes, which offer some level of defense against UV rays. It is vital to consult steel suppliers or manufacturers to ascertain the precise UV resistance capabilities of the steel sheets in use and consider supplementary protective measures if deemed necessary.

Q: Are steel sheets resistant to termites?: No, steel sheets are not resistant to termites. Unlike materials such as concrete or steel, termites can easily infest and damage steel sheets by burrowing into them and feeding on the wood framing or other organic materials that may be present. Therefore, it is important to take proper measures to protect steel sheets from termite infestation, such as using termite barriers, treating the surrounding soil, or regularly inspecting and maintaining the area to prevent termite entry and damage.

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