Perforated plates

Perforated metal sheets are actually correctly referred to as perforated plates in accordance with DIN 24041. These are metal plates in which uniform holes are punched, lasered, pressed or rolled. There are different types of holes, such as slotted holes, square holes or round holes, which can have different hole sizes.

Perforated sheet are available in several materials, most commonly stainless steel, steel or aluminum. Thanks to the combination of high resistance and aesthetic appearance, perforated sheet is used in industry as well as in creative work and crafts.

Perforated metal sheets have versatile applications, whether as decorative elements in creative crafts or with technical functions in industry. Perforated plates are suitable, for example, as covers, protective grids, linings, filters or screens. Here you will find some of the many possible uses of perforated plates:

Industry & Technology:

• Building services: ventilation systems, heating installations and facade cladding.
• Mechanical engineering: component of machine cladding or parts.
• Automotive industry: ventilation grilles, radiator grilles and other body elements.
• Electrical industry: As protective covers and housings for electronic components.
• Household appliances: use in products such as washing machines or dryers.
• Food processing: As sieves or filters for various production processes.
• Metalworking industry: For filtering, sorting and separating materials; in the production of metal products or as an insert in certain manufacturing processes.

Craft & creative work

• Gardening and landscaping: as garden gates, garden fences or decorative elements in gardens.
• Furniture design: for pieces of furniture, such as benches, shelving structures or tables.
• House & apartment: balcony railings, stair railings or bicycle racks
• Art projects: For sculptures, wall decorations or other creative applications.
• Craft DIY projects: For individual solutions, e.g. lampshades, shelves or partitions.

Perforated metal sheets are valued in various industries and applications for their versatile properties and advantages. They combine the strength and durability of metal sheets with the ability to create individual designs and functions through different perforations and material selection. This makes them in high demand for both technical and design applications.

You want to buy perforated sheet ? Convince yourself of the advantages of our Perforated sheet:

• Versatility: Adaptable to different applications through different hole sizes, shapes and arrangements.
• Weight reduction: Due to the perforated structure, they are often lighter than solid sheets with similar strength.
• Permeability: Allow the flow of air, fluids and light, making them ideal for ventilation, filtration and lighting applications.
• Aesthetics: with different designs and surface treatments, they offer visual appeal for decorative purposes.
• Cost-effectiveness: Often less expensive to manufacture and install compared to other material solutions.
• Robustness: Despite the perforated structure, they maintain high mechanical strength and durability.
• Heat dissipation: In technical applications, they can contribute to improved heat dissipation.
• Good workability: Perforated sheet is easy to cut, shape and customize, allowing easy assembly and adaptation to specific requirements.
• Corrosion resistance: Many Perforated sheet, especially those made of stainless steel or other corrosion-resistant materials, provide excellent protection against rust and corrosion, which extends their service life.
• Hygiene: Perforated plates are easy to clean and can be kept sterile. Therefore, they can be used in sensitive areas with high hygiene standards.

Perforated plates are manufactured as semi-finished products, i.e. as prefabricated raw material for further processing. Their production begins with solid metal plates that have been shaped into the desired form by various processes. The plates are then given their holes by punching, pressing, rolling or laser cutting. Other processes include flame cutting or waterjet cutting.

Thanks to modern machines such as wide presses, automatic punching machines or special lasers, precise hole patterns are created in different shapes and sizes, either in straight or staggered rows. Depending on the area of application, various materials such as stainless steel, aluminum or steel can be used. This processing step can be followed by finishing and further processing steps that give the Perforated sheet its final properties and surface finish. These include

• Forming processes such as bending, folding, profiling.
• Cutting to size by punching or lasering
• Surface treatment by brushing, sandblasting or polishing
• Riveting, screwing, welding or soldering
• Coating and corrosion protection

Perforated plates are available in a wide variety of materials, which differ depending on the intended use. The most commonly used are Perforated sheet in stainless steel, steel or aluminum.

• Stainless steel: Perforated sheet made of stainless steel are rustproof, resistant to many chemicals, hygienic and durable. That is why they are used, for example, in chemical processing, outdoors or in food processing.
• Steel: Perforated sheet made of steel are very robust, versatile, relatively inexpensive and can be protected against corrosion by coatings or galvanizing. Steel is often used in mechanical engineering or construction.
• Aluminum: Perforated sheets made of aluminum are lightweight, corrosion-resistant and easy to shape, and they also offer high thermal and electrical conductivity. Aluminum is therefore used, for example, in vehicle construction or in the electronics sector.
• Copper: Excellent electrical conductivity, corrosion resistance and it provides an aesthetic luster. Uses include the electrical industry or decorative applications.
• Brass: Non-magnetic, easy to work with and offers a striking gold-like appearance. Therefore, it is suitable for decorative work, fittings or in the electrical industry.

• The perforation indicates the hole diameter.
• The division indicates the distance from center to center of adjacent holes. It defines how close the holes are arranged to each other and thus influences the stability of the sheet and the amount of Material between the holes.
• The throughput designates the percentage of the open area of a perforated plate in relation to the total area. This can be calculated from the perforation and the pitch. A high Open area means that a large area of the sheet is open (i.e. has many and/or large holes), while a low Open area indicates a denser pattern with less open area. This value is crucial for functions such as ventilation, filtration or light transmission.

Example: A hole pitch of 2-3 means that the hole has a diameter of 2.0 mm and the distance from the center of one hole to the other is 3.0 mm.