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What Is Expanded Metal?

What Is Expanded Metal?

Expanded metal is a sheet of metal fabricated with a regular sample of diamond-formed openings. These openings reduce the burden and value of the sheet and provide air flow, making it a versatile resolution for a lot of applications. The most common metals used for expanded metal sheet embody steel, stainless steel, and aluminum, although it is also made from titanium and copper.

How is Expanded Metal Made?
expanded metalExpanded sheet is made from a single sheet of metal that has been slit by a row of knives mounted on an industrial die slicing machine. The knives move back and forth in a uniform pattern, slicing the sheet in alternating cuts, while the sheet moves through the machine.

As the knives reduce, they concurrently push down on the newly reduce sections, stretching them apart into "ribbons." The ribbons stay attached at the uncut sections, which change into the corners of open diamond shapes in an expanded mesh sheet. The scale, form and positioning of the knives and the thickness of the metal sheet might be modified to create openings of various dimensions for a variety of applications.

Types of Expanded Metal

Expanded metal sheet is available in completely different profiles, including:

Customary Expanded Sheet: A completed product as it comes off the press after being minimize and expanded. Usually referred to as raised expanded metal, due to the alternating ridges fashioned by overlapping metal strips.

Flattened Expanded Sheet: A standard expanded sheet that's then cold rolled, leaving a flat, smooth surface. Flattened expanded sheet is about 5% lighter than standard expanded sheet.

Expanded Metal Grating: A heavy duty expanded sheet manufactured from carbon steel sheet or plate. Expanded metal grating has no joints or welds, as every sheet is a single piece of sturdy steel. Ultimate for catwalk and platform applications.

A Versatile Product
Expanded sheet metal is a flexible and economical product that's durable, straightforward to work with, and provides low wind resistance. It provides one-piece building that won’t unravel under normal circumstances, and will hold its shape for a lot of years. The strands and bonds of the diamond-formed trusses add strength and inflexibleity.

It's commonly utilized in a wide range of applications, such as:

Machine guards

Catwalks, platforms and stair treads


Stair and balcony railing mesh

Window security




And far more