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Electrical Division

How is Expanded Metal Used in Fencing & Grating?

February 22nd, 2023
expanded metal

Expanded metal is a type of metal sheet that is made by cutting and stretching metal sheets into diamond-shaped patterns. It is a versatile and cost-effective material that is used in a variety of applications, such as fencing, grating, security screens, decorative elements, and more. The expanded metal industry has grown significantly over the years, with many manufacturers specializing in the production of this material.

Expanded metal manufacturers use a variety of different metals to make their products, including aluminum, brass, copper, stainless steel, and carbon steel. The type of metal used depends on the intended application of the expanded metal. For example, aluminum expanded metal is lightweight, corrosion-resistant, and often used in architectural applications, while stainless steel expanded metal is stronger, more durable, and used in industrial and heavy-duty applications.

Perforated Metal
One of the key advantages of expanded metal is its ability to provide strength and durability while also allowing for airflow and light penetration. This makes it an ideal material for a range of applications, from architectural to industrial. For example, in construction, expanded metal can be used to create facades and sunshades, as well as for walkways, bridges, and railings. In industrial settings, expanded metal can be used for catwalks, stair treads, machine guards, and more. Expanded metal manufacturers typically offer a range of different products, including standard and flattened expanded metal, as well as micro mesh and decorative patterns. Standard expanded metal is created by slitting and stretching metal sheets, while flattened expanded metal is created by passing the standard expanded metal through a flattening machine. Micro mesh is a smaller, more finely detailed version of expanded metal that is often used for filtration applications. Decorative patterns can be created by cutting the expanded metal into custom shapes or using special dies to create intricate designs.
Perforated Metal
When choosing an expanded metal manufacturer, it is important to consider factors such as product quality, pricing, lead times, and customer service. It is also important to work with a manufacturer that has experience in the specific application for which the expanded metal will be used. For example, an industrial application may require a stronger and more durable expanded metal than a decorative application. Many expanded metal manufacturers also offer value-added services such as fabrication, finishing, and custom cutting. Fabrication services can include welding, shearing, and forming while finishing services can include powder coating, anodizing, and painting. Custom cutting allows for the expanded metal to be cut into specific shapes and sizes to fit the needs of the application.
Expanded Metal
One of the challenges for expanded metal manufacturers is balancing the need for customization with the need for efficiency and cost-effectiveness. Customization can be a time-consuming process that requires specialized equipment and expertise, but it is often necessary to meet the specific needs of the customer. However, manufacturers must also be able to produce their products efficiently and at a competitive price in order to remain competitive in the market. To address this challenge, many expanded metal manufacturers have invested in technology and equipment that allows for greater customization while also improving efficiency. For example, computer numerical control (CNC) machines can be used to create intricate shapes and patterns in the expanded metal, while automation can be used to speed up the production process and reduce labor costs.
Perforated Metal

Another challenge for expanded metal manufacturers is the environmental impact of their production processes. Many of the metals used in expanded metal production are non-renewable resources, and the manufacturing process can also generate waste and emissions. To address these concerns, many manufacturers have implemented sustainability initiatives such as using recycled materials, reducing waste, and using renewable energy sources.

In conclusion, expanded metal manufacturers play an important role in providing a versatile and cost-effective material for a range of applications. With the ability to provide strength and durability while also allowing for airflow and light penetration, expanded metal is a popular choice for applications in construction, architecture

Peterson Company carries expanded metal in a variety of applications, such as stainless steel, carbon steel, aluminum, and titanium, among many others. A full list of all the expanded metal options is available online.