Perforated sheets

some description about product

Perforated sheets are versatile materials widely used in various industries and applications. These sheets are made from different types of metals, such as stainless steel, aluminum, brass, and carbon steel. The manufacturing process involves punching or stamping holes or patterns into the metal, creating a sheet with an array of uniform holes.

In industrial settings, perforated sheets find applications in filtration, sorting, and separation processes. The holes’ size and pattern can be customized to suit specific filtration requirements, making them ideal for applications in oil and gas, mining, and food processing industries.

Moreover, these sheets are utilized in manufacturing equipment, such as vibrating screens, speaker grilles, and machine guards. Their acoustic properties make them perfect for soundproofing applications in building construction and automotive industries.

Perforated sheets come in various shapes, sizes, and thicknesses, offering flexibility and adaptability for different projects. They can also be coated or painted for additional protection against corrosion and wear.

In conclusion, metal perforated sheets are essential engineering materials with a wide range of applications due to their strength, versatility, and aesthetic appeal. Whether used in architecture, industrial processes, or manufacturing, perforated sheets continue to be a popular choice in numerous industries for their functional and decorative properties.


stainless steel perforated sheet

stainless steel perforated sheet

Stainless steel perforated sheets are made from stainless steel with a pattern of holes punched or

stamped into them. Stainless steel, known for its corrosion resistance and durability, makes these sheets ideal for various applications. The perforated design allows for airflow, drainage, and visibility while maintaining structural integrity.

These sheets find extensive use in industries like architecture, construction, and interior design for decorative purposes, such as facades, sunscreens, and wall cladding. They are also popular in industrial settings for filtration, sorting, and screening applications due to their resistance to chemical and environmental corrosion.

The food and beverage industry employs stainless steel perforated sheets for hygienic food processing equipment and sieves. They are also utilized in automotive components, acoustic panels, and speaker grilles, benefiting from stainless steel’s mechanical properties and aesthetic appeal. Overall, stainless steel perforated sheets offer a winning combination of strength, longevity, and functionality across a broad spectrum of applications.

perforated aluminium sheet

perforated aluminium sheet

Perforated aluminum sheet has been processed to include a pattern of holes or perforations.

Aluminum is a lightweight and versatile metal known for its excellent corrosion resistance, making these sheets suitable for various applications in diverse industries.

The perforated design of these sheets serves multiple purposes. In architectural applications, perforated aluminum sheets are used for building facades, sunshades, and decorative elements. The perforations not only add an aesthetic appeal but also provide ventilation and light diffusion.

Aluminum’s excellent strength-to-weight ratio makes these sheets ideal for transportation applications. They are used in manufacturing parts for automobiles, aircraft, and marine vessels, contributing to fuel efficiency and reducing overall weight.

perforated mild steel sheet

perforated mild steel sheet

Perforated mild steel sheet is a versatile and widely used material in various industries due to its

unique characteristics and numerous applications. It is a type of sheet metal that undergoes a mechanical process of punching or stamping to create a pattern of holes or perforations.

Perforated mild steel sheets come in a range of hole shapes, sizes, and patterns, providing options for different functional and aesthetic requirements. The manufacturing process allows customization to suit specific project needs, making them suitable for both decorative and functional purposes.

These sheets are often preferred for their durability, cost-effectiveness, and ease of fabrication. Additionally, mild steel’s inherent properties, such as weldability and malleability, further contribute to its popularity in various industrial sectors.

Overall, perforated mild steel sheets offer a practical and visually appealing solution for numerous applications, making them a widely sought-after material in the construction, manufacturing, and design industries.

304 stainless steel perforated sheet

304 stainless steel perforated sheet has undergone a mechanical process of punching or stamping to

create a pattern of holes or perforations while being made from the alloy 304 stainless steel.

Stainless steel grade 304 is one of the most widely used and versatile austenitic stainless steels due to its excellent corrosion resistance, high strength, and good formability. This makes 304 stainless steel perforated sheets suitable for a wide range of applications in various industries, including architecture, construction, food processing, pharmaceuticals, and chemical processing.

The perforations in these sheets provide several benefits, such as improved airflow, visibility, and filtration capabilities. They are commonly used in applications where maintaining a sterile environment is crucial, such as in cleanrooms, medical equipment, and laboratories.

The 304 stainless steel perforated sheets come in various hole patterns, sizes, and gauges to meet specific project requirements. The manufacturing process ensures precise and consistent hole spacing and size, allowing for easy integration into different design elements and structures.

Additionally, 304 stainless steel is known for its hygienic properties, making these sheets suitable for use in food processing equipment, commercial kitchens, and restaurants, where cleanliness and corrosion resistance are essential.

316 stainless steel perforated sheet

316 stainless steel perforated sheet

316 stainless steel perforated sheet used in various industrial applications. Composed primarily of

chromium, nickel, and molybdenum, 316 stainless steel exhibits excellent mechanical properties and superior resistance to pitting and crevice corrosion in aggressive environments, including marine and chemical settings.

The perforated design of the sheet provides it with an array of round, square, or slotted holes, enabling efficient filtration, ventilation, and acoustic applications. Its high strength-to-weight ratio makes it ideal for structural purposes, while its non-reactive nature ensures compatibility with food processing and medical equipment.

Due to its durability, 316 stainless steel perforated sheet finds application in architectural projects, heat exchangers, automobile parts, and screens for mining and aggregate industries. Its aesthetic appeal and low maintenance requirements make it a popular choice for decorative elements in both indoor and outdoor environments.

In summary, 316 stainless steel perforated sheet is a reliable and corrosion-resistant material with diverse industrial uses, offering a combination of strength, longevity, and aesthetic appeal.


Our company provides a kind of metal alloy to solve the problem of providing products with excellent

performance in high temperature and high corrosive environment. Our products are very strong

and welded or sintered. Length, diameter, thickness, alloy, medium grade and other specifications

can be adjusted during the production process, so that the product is suitable for a variety of

filtration, flow and chemical compatibility in different customer processes.


What materials are used to manufacture the metal perforated filter sheet?

manufacture the metal perforated filter sheet

The manufacturing of metal perforated filter sheet involves the use of various materials, each chosen for its specific properties and application requirements. Some of the commonly used materials include:

1.Stainless steel: Stainless steel, particularly grades like 304 and 316, is widely used due to its excellent corrosion resistance and durability. It finds applications in harsh and corrosive environments.

2.Mild steel: Mild steel is cost-effective and offers good strength and machinability. It is often used in less demanding filtration applications.

3.Aluminum: Aluminum is lightweight, corrosion-resistant, and suitable for applications where weight is a concern, such as aerospace and automotive industries.

4.Brass and copper: Brass and copper perforated sheets are known for their antimicrobial properties and are often used in food processing and medical equipment.

5.Galvanized steel: Galvanized steel is coated with zinc to improve corrosion resistance and is used in outdoor and industrial environments.

6.Titanium: Titanium offers high strength-to-weight ratio and excellent corrosion resistance, making it suitable for specialized filtration needs.

These materials can be combined with various perforation patterns and hole sizes to create metal perforated filter sheets with specific filtration capabilities and mechanical properties for a wide range of industrial applications.

Perforated sheets maintenance

Perforated sheets maintenance is essential to ensure their optimal performance and longevity. Regular cleaning is necessary to prevent clogging of the holes, which can impact filtration efficiency.

Depending on the application and environment, cleaning can involve simple methods such as brushing or compressed air, or more thorough techniques like washing with mild detergents.

Additionally, inspecting for signs of corrosion or damage is crucial, and any issues should be addressed promptly to avoid deterioration. Applying protective coatings or treatments can help enhance the sheets’ resistance to corrosion and wear.

Proper maintenance practices contribute to the prolonged service life and efficiency of perforated sheets in various industries.

What is the open area percentage or porosity of the perforated filter sheet?

porosity of the perforated filter sheet

The open area percentage or porosity of a perforated filter sheet depends on the specific hole pattern, hole size, and the total surface area occupied by holes.

Generally, the open area percentage can range from around 20% to 60% or more, depending on the design and application requirements. Higher open area percentages allow for better flow rates and lower pressure drops but might reduce the sheet’s structural integrity.

Conversely, lower open area percentages offer increased strength but might restrict flow rates. Manufacturers can adjust the perforation parameters to achieve the desired open area percentage based on the intended use of the perforated filter sheet.

Metal perforated filter sheets sizes

Metal perforated filter sheets sizes

Metal perforated filter sheets come in various standard sizes to suit different filtration needs. The most common dimensions include square and rectangular sheets, with sizes ranging from small to large. Standard sizes often vary based on the manufacturer and region, but some popular choices are:


12″ x 12″, 24″ x 24″, 36″ x 48″, and 48″ x 96″


0.020″ to 0.060″





Mesh number


What is the strength and load-bearing capacity of the perforated sheet?

Features of metal screen filters

Metal screen filters offer several key features that make them popular choices for various applications.

Firstly, their construction from durable materials, such as stainless steel, ensures longevity and resistance to corrosion, making them suitable for harsh environments.

Their precision-woven mesh design allows for excellent filtration of particles while maintaining a high flow rate.

Metal screen filters are easy to clean and can be reused multiple times, reducing maintenance costs.

Their versatility allows them to be used in a wide range of industries, including water treatment, oil and gas, automotive, and HVAC systems.

Overall, metal screen filters provide reliable and efficient filtration solutions for numerous applications.

What is the level of flatness and straightness maintained in the perforated sheet?

straightness maintained in the perforated sheet

The level of flatness and straightness maintained in a perforated sheet is crucial for ensuring its performance and compatibility with various applications. Manufacturers strive to achieve high-quality standards during production to meet customer requirements.

Flatness refers to the deviation of the sheet surface from being perfectly flat. Perforated sheets typically have good flatness, especially when produced using advanced manufacturing processes and precise equipment. However, the level of flatness can vary based on the material, thickness, and size of the sheet. Thicker sheets may have a lower degree of flatness compared to thinner ones.

Straightness refers to the absence of bends, twists, or warping along the length or width of the sheet. Straightness is vital for easy installation and to prevent issues in the final product or application. Manufacturers employ various techniques like tension leveling and annealing to maintain excellent straightness in perforated sheets.

To ensure high flatness and straightness standards, manufacturers follow strict quality control measures, use quality materials, and conduct inspections during and after production.

How does the weave pattern of the screen mesh filters affect their filtration efficiency?

weave pattern of the screen mesh filters

The weave pattern of screen mesh filters plays a crucial role in determining their filtration efficiency. Different weave patterns create varying opening shapes and sizes, affecting the filter’s ability to retain particles of different dimensions.

Fine weave patterns, such as plain weave or twill weave, consist of closely spaced wires, resulting in smaller openings. These patterns are highly effective in capturing fine particles but may experience higher pressure drop due to reduced flow rates.

Coarser weave patterns, like a dutch weave or reverse Dutch weave, have larger openings and are more suitable for filtering larger particles. These patterns often exhibit lower pressure drop but may not be as efficient in capturing smaller particles.

The weave pattern’s orientation and wire thickness also influence the filter’s mechanical strength and durability.

Selecting the appropriate weave pattern depends on the application’s particle size distribution and the desired filtration efficiency. A well-matched weave pattern ensures optimal performance and maximizes the screen mesh filter’s ability to remove contaminants effectively.

Features of industrial perforated filter sheet

Features of industrial perforated filter sheet

Industrial perforated filter sheet is designed for effective filtration in diverse applications. Key features include high-strength construction using materials like stainless steel, aluminum, or galvanized steel, ensuring durability in harsh environments.

The precise perforations are strategically spaced and sized, enabling efficient filtration while maintaining desired flow rates. These sheets are customizable, offering a variety of hole patterns, open area percentages, and sheet sizes to suit specific filtration needs.

They are corrosion-resistant, extending their lifespan and ensuring reliable performance in various industrial processes.

Additionally, the sheets are easy to clean, making maintenance hassle-free. Their versatility, robustness, and filtering efficiency make them essential components in industrial filtration systems.

What is the thickness tolerance of the perforated sheet?

thickness tolerance of the perforated sheet

The thickness tolerance of perforated sheets can vary depending on the manufacturing process and the material used.

In general, most perforated sheet manufacturers adhere to industry standards that specify acceptable thickness deviations. For standard perforated sheets made from materials like steel or aluminum, the typical thickness tolerance is around ±0.002 to ±0.005 inches (±0.05 to ±0.13 mm).

However, for more precise applications or custom orders, tighter thickness tolerances can be achieved through specialized manufacturing processes.

How is the perforated sheet typically processed or cut into desired dimensions?

perforated sheet

Perforated sheets are processed or cut into desired dimensions through various manufacturing methods, depending on the material and specific requirements. The most common techniques involve mechanical punching, laser cutting, and waterjet cutting.

1.Mechanical punching: In this method, the perforated sheet is fed into a machine with a pattern of punch dies. The machine presses the dies onto the sheet, creating holes in the desired pattern and size. This process is efficient for high-volume production and works well with materials like metal and plastics.

2.Laser cutting: A high-powered laser beam is used to vaporize or burn through the material along the desired perforation lines. Laser cutting offers precise and intricate cuts, making it suitable for complex designs and a variety of materials, including metal, wood, and acrylic.

3.Waterjet cutting: A high-pressure jet of water mixed with abrasive materials is directed at the perforated sheet to cut through the material. Waterjet cutting is versatile, allowing for cutting various materials without generating heat, which is especially useful for heat-sensitive materials.

After cutting, the perforated sheet may undergo further finishing processes like deburring, cleaning, and coating before being ready for its intended application, such as architectural screens, filters, or ventilation panels.

What is the thermal conductivity of the perforated sheet material, if applicable to the intended use?

perforated sheet material

The thermal conductivity of a perforated sheet material depends on the type of material used. Metals, which are commonly used for it, generally have high thermal conductivity.

For instance, materials like aluminum and copper have high thermal conductivity, with values around 200-250 W/(m·K) and 390 W/(m·K) respectively. On the other hand, non-metallic materials like plastics or composites typically have lower thermal conductivity, ranging from 0.1 to 0.5 W/(m·K).

The thermal conductivity of the perforated sheet material is relevant to its intended use in applications such as heat exchangers, radiators, or any situation where heat transfer efficiency is crucial. High thermal conductivity allows for better heat dissipation, making the perforated sheet material more suitable for these applications.


Most frequent questions and answers

Industrial perforated sheet can be custom-made to specific dimensions and hole patterns to meet the unique requirements of various applications.

Manufacturers can easily adjust the sheet’s length, width, and thickness according to the customer’s specifications.

Moreover, they can create custom hole patterns with different shapes, sizes, and spacing to optimize the sheet’s functionality for specific applications, such as filtration, ventilation, or decorative purposes.

This level of customization ensures that the perforated sheet perfectly fits the intended use and provides the desired performance characteristics for a wide range of industrial and architectural applications.

A wide variety of hole shapes are available for perforated sheets, catering to different functional and aesthetic requirements.

Some common hole shapes include round, square, rectangular, hexagonal, slotted, and diamond. Round holes are the most widely used and provide good strength and open area. Square and rectangular holes offer a clean and modern appearance. Hexagonal holes are popular for their unique look and higher open area. Slotted holes are ideal for applications requiring ventilation and drainage. Diamond-shaped holes provide an attractive design and can enhance visibility through the sheet.

The maximum size of perforated metal sheets that can be produced depends on various factors, including the material type, manufacturing capabilities of the supplier, and the specific machinery used for production.

Generally, perforated metal sheets can be manufactured in large sizes, often exceeding several meters in length and width. However, there may be practical limitations due to handling and transportation constraints.

 For extremely large applications, multiple perforated sheets can be seamlessly joined to achieve the desired size. To determine the precise maximum size available, it is best to consult the specific perforated metal sheet manufacturer or supplier.

Perforated steel sheets can be supplied with additional surface treatments to enhance their properties and make them suitable for specific applications.

Surface treatments such as galvanizing are commonly used to provide corrosion resistance, making the steel sheet ideal for outdoor or marine environments. Powder coating or painting can be applied for decorative purposes and to match specific color requirements.

Anodizing is used to improve corrosion resistance and add durability. Additionally, surface treatments can enhance the sheet’s electrical conductivity, improve wear resistance, or provide other functional benefits depending on the chosen treatment method.

Perforated metal aluminum sheet is highly suitable for outdoor or corrosive environments. Aluminum possesses excellent corrosion resistance due to the formation of a protective oxide layer on its surface, which prevents further corrosion.

This oxide layer acts as a natural barrier, making aluminum sheets resistant to rust and deterioration caused by exposure to moisture, air, and other corrosive elements.

As a result, perforated aluminum sheets are commonly used in architectural applications, outdoor structures, marine environments, and areas with high humidity or salt exposure.

The strength and load-bearing capacity of stainless perforated sheets vary depending on the grade of stainless steel used and the specific hole pattern and sheet thickness.

Stainless steel is known for its high strength and excellent mechanical properties. Common grades used for perforated sheets include 304, 316, and 430 stainless steel. These grades offer good strength, corrosion resistance, and toughness.

The load-bearing capacity is influenced by factors such as the size and shape of the perforated holes, the spacing between holes, and the overall sheet thickness.

Manufacturers can provide load-bearing capacity specifications based on specific sheet configurations and applications.

Stainless steel perforated sheet is widely used as decorative elements and architectural features due to their aesthetic appeal and functional properties.

The perforated patterns in stainless steel sheets can create visually striking designs and unique textures, adding an elegant and modern touch to buildings, facades, and interior spaces.

The durability and corrosion resistance of stainless steel make it suitable for both indoor and outdoor architectural applications.

These sheets can be used as decorative cladding, partitions, sunscreens, balustrades, and even art installations, offering a combination of artistic design and practical functionality in various architectural projects.

Perforated sheet metal can be suitable for soundproofing or acoustic applications. When combined with proper sound-absorbing materials, perforated sheets can help reduce noise and improve acoustic performance.

The perforations in the metal allow sound waves to pass through, while the underlying sound-absorbing material captures and dampens the sound energy, thus reducing noise levels and minimizing sound reflections.

Perforated metal panels are commonly used in building interiors, concert halls, theaters, recording studios, and industrial facilities to control reverberation and achieve desired acoustic qualities, making them an effective solution for soundproofing and noise control in various environments.


The open area of a perforated mesh sheet significantly influences fluid or air flow through the material.

The open area refers to the percentage of the sheet’s surface that is comprised of holes. A higher open area allows for more fluid or air to pass through, resulting in increased flow rates and reduced pressure drop across the sheet.

On the other hand, a lower open area restricts the flow, leading to lower flow rates and increased pressure drop.

Designing perforated sheets with the appropriate open area is crucial to achieve the desired flow characteristics for specific applications, such as ventilation, filtration, or fluid distribution systems.

Perforated filter sheet is commonly used for both filtering and screening applications. The precise hole patterns and sizes in the sheet are carefully designed to allow specific particles or substances to pass through while blocking others.

In filter applications, the sheet acts as a medium to separate and remove contaminants from a fluid or gas stream.

It is utilized in various industries such as automotive, aerospace, and oil processing. In screening applications, the perforated sheet is used to separate larger particles or materials from smaller ones, making it suitable for applications in agriculture, mining, and construction, among others.

Perforated aluminum sheet offer moderate resistance to wear, abrasion, and impact. While aluminum is generally a durable material, it is softer than some other metals, which means it may not be as resistant to wear and abrasion as materials like stainless steel or hardened steel.

However, the presence of a protective oxide layer on the surface of aluminum helps provide some level of protection against corrosion and wear.

For applications requiring higher wear resistance and impact resistance, it is often necessary to consider additional surface treatments or coatings that can enhance the sheet’s durability. For example, hard anodizing or powder coating can improve the wear and abrasion resistance of perforated aluminum sheets.

Additionally, adjusting the thickness and choosing the appropriate alloy can also contribute to enhancing the sheet’s resistance to impact and wear in specific applications.

The typical pattern of metal perforated sheet consists of evenly spaced holes arranged in regular rows and columns. The holes can be of various shapes, such as round, square, or hexagonal, and are usually aligned in a staggered or straight pattern.

The open area between the holes determines the porosity of the sheet and influences its functionality for specific applications like filtration or ventilation.

In addition to the typical pattern, perforated metal sheets offer numerous design options to cater to various needs. Manufacturers can create custom hole patterns and sizes, allowing for intricate and unique designs to suit architectural and decorative purposes.

Various hole shapes, spacing, and open area configurations can be tailored to achieve specific performance characteristics, like sound absorption, light diffusion, or airflow control.

Design options also include different sheet sizes, thicknesses, and materials, ensuring that perforated metal sheets meet the diverse requirements of industries ranging from construction and automotive to aerospace and interior design.

Perforated mild steel sheets can be easily bent, formed, or fabricated into specific shapes to meet various design and functional requirements.

Mild steel, being a relatively soft and malleable material, lends itself well to various fabrication processes. The perforated sheet can be cut, welded, rolled, or pressed to achieve the desired shapes without compromising the integrity of the holes or the structural strength of the sheet.

Fabricators use techniques like press brake bending, roll forming, and stamping to shape the perforated mild steel sheets into custom profiles, angles, curves, and intricate designs.

This flexibility allows for the creation of diverse products, including ductwork, grilles, filters, enclosures, and architectural elements.

The ease of fabrication and its cost-effectiveness make perforated mild steel sheets a popular choice in numerous industrial, construction, and manufacturing applications.

Stainless steel mesh perforated sheet material offers excellent environmental sustainability and recyclability aspects.

Stainless steel is a highly durable material with a long lifespan, reducing the need for frequent replacements and minimizing waste. It is also resistant to corrosion and requires minimal maintenance, further extending its service life.

At the end of its useful life, stainless steel perforated sheets can be recycled and reused without losing their quality. Recycling stainless steel requires significantly less energy compared to the initial production process, making it an environmentally friendly choice.

Additionally, stainless steel is non-toxic, making it safe for various applications and not releasing harmful substances into the environment.

The center-to-center distance between perforations in the sheet, also known as the pitch or spacing, can vary widely depending on the specific perforated sheet design and application requirements.

Center-to-center distance is determined by the hole size, shape, and pattern, as well as the desired open area and functionality of the sheet. Common pitches for perforated sheets range from a few millimeters to several centimeters.

Smaller pitches with closely spaced holes offer higher open areas and greater flow rates, while larger pitches with widely spaced holes provide more rigidity and strength.

The center-to-center distance is typically specified by the manufacturer or can be customized based on the customer’s needs.

Perforated stainless steel sheet is excellent for heat dissipation and ventilation purposes. The perforations in the sheet allow for efficient airflow, making them suitable for applications where heat needs to be dissipated or where ventilation is required.

The high thermal conductivity of stainless steel enhances its ability to transfer heat away from the source.

Perforated stainless steel sheets are commonly used in heat exchangers, radiator grilles, electronic enclosures, HVAC systems, and industrial ventilation panels, as they provide a durable and corrosion-resistant solution for effective heat dissipation and airflow management.

304 stainless steel perforated sheet is highly suitable for use in food processing and sanitary applications.

Grade 304 stainless steel is commonly used in the food industry due to its excellent corrosion resistance, durability, and hygiene properties. It is non-toxic, non-reactive, and easy to clean, making it safe for contact with food and beverages.

The perforated design allows for proper drainage and airflow, which is essential for sanitary conditions in food processing and handling environments.

Additionally, 304 stainless steel is compliant with food safety standards and regulations, making it a preferred choice for various food-related applications, including sieves, filters, and screens.

316 stainless steel perforated sheet is capable of withstanding high-velocity flows and pressure differentials. Grade 316 stainless steel is known for its excellent corrosion resistance, high strength, and good mechanical properties.

These characteristics make it highly suitable for applications involving high fluid velocities or pressure differentials. The perforated design provides efficient airflow and filtration while maintaining structural integrity under challenging conditions.

Perforated 316 stainless steel sheets are commonly used in industries like aerospace, marine, oil and gas, and chemical processing, where they must endure demanding environments with high flow rates and pressure variations.

Metal perforated sheets suppliers often offer a range of additional services to cater to diverse customer needs. Some common additional services include:

1.Customization: Suppliers can create custom hole patterns, sheet sizes, and shapes based on specific requirements.

2.Fabrication: They may provide cutting, bending, welding, and forming services to create finished products or components.

3.Surface treatments: Suppliers can offer various surface treatments like galvanizing, powder coating, or painting to enhance the sheet’s properties and appearance.

4.Prototyping: Some suppliers may offer prototyping services to develop and test designs before full-scale production.

5.Technical support: Suppliers may provide technical assistance, recommendations, and guidance on material selection and design optimization for specific applications.

6.Packaging and shipping: They can handle proper packaging and timely delivery of perforated sheets to the desired location.

These additional services contribute to a comprehensive and efficient supply chain for perforated metal sheet solutions.

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