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Differences Between Perforated Metal Sheets and Expanded Metal Mesh

Source:www.cn-psp.cnAuthor:河北森驰公司 Last updated:2024-12-12 08:32:08 Browse:

Perforated metal sheets and expanded metal mesh are two different types of metal products that are manufactured using distinct processing methods. These differences result in variations in structure, manufacturing processes, and applications.
 
Manufacturing Process:
Perforated Metal Sheets: These are produced by using a CNC punching machine to create holes in metal sheets (such as steel, aluminum, stainless steel, copper, etc.) according to specific patterns and spacing. The sheet thickness typically ranges from 0.5mm to 20mm. Perforated metal sheets come in a variety of hole shapes, including round holes, oval holes, slotted holes, square holes, rectangular holes, triangular holes, star-shaped holes, hexagonal holes, fish-scale holes, louver holes, and custom hole shapes, with hole diameters ranging from 0.5mm to 200mm. Additionally, these sheets can be further processed by bending, cutting, painting, powder coating, fluorocarbon spraying, polishing, and rolling, depending on customer requirements.

Perforated Metal Sheet

Expanded Metal Mesh: This product is made using specialized machinery (such as an expanded metal punching machine), which stretches the metal sheet to create a mesh-like structure. The hole pattern in expanded metal mesh is usually diamond-shaped. Unlike perforated metal sheets, the holes in expanded metal mesh do not completely penetrate the sheet but are formed through the stretching process, giving the mesh a more flexible and resilient structure.

Structure and Features:
1.Perforated Metal Sheets: The holes completely perforate the metal sheet, providing greater structural strength and rigidity. Perforated sheets are typically used in applications requiring both aesthetics and functionality, such as building facades, ceilings, noise reduction, partition walls, stair railings, and more.
2.Expanded Metal Mesh: This mesh is generally lighter and features diamond or rectangular openings. It is known for its high tensile strength and flexibility, making it ideal for applications that require more open surface area and a lighter structure. Expanded metal mesh is widely used in civil construction, mechanical protection, speaker grilles, highway guardrails, sports field fencing, and more.

Applications:
1.Perforated Metal Sheets: These are commonly used in a wide range of applications, including decorative building elements, soundproofing, ventilation, filtration, and more. Typical uses include ceilings, room dividers, wall cladding, stair railings, and privacy screens.

Expanded Metal Mesh

Expanded Metal Mesh: This material is primarily used in industrial and protective applications, such as highway guardrails, sports field fencing, reinforcement in construction, machinery protection, heavy-duty platforms, oil tanker footrests, and other high-strength applications. It is also used in railways, highways, shipbuilding, coal mining, light industries, agriculture, landscaping, and more.
 
In summary, although both perforated metal sheets and expanded metal mesh are made from metal materials, their manufacturing processes, structural characteristics, and applications differ significantly. Perforated metal sheets focus on balancing aesthetics and functionality and are suitable for a variety of decorative and structural needs. On the other hand, expanded metal mesh is designed for applications requiring strength, flexibility, and large open areas, making it ideal for protective, filtering, and industrial applications.

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