What is Expanded Metal?

Expanded metal is a sheet of metal fabricated with a daily sample of diamond-shaped openings. These openings reduce the burden and value of the sheet and provide ventilation, making it a versatile resolution for many applications. The most common metals used for expanded metal sheet embrace metal, stainless metal, and aluminum, though it can be 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 chopping machine. The knives move back and forth in a uniform sample, slicing the sheet in alternating cuts, while the sheet moves by way of the machine.

Because the knives cut, they simultaneously push down on the newly lower sections, stretching them apart into “ribbons.” The ribbons stay hooked up on the uncut sections, which turn out to be the corners of open diamond shapes in an expanded mesh sheet. The dimensions, shape and positioning of the knives and the thickness of the metal sheet will be modified to create openings of different dimensions for a wide range of applications.

Types of Expanded Metal

Expanded metal sheet comes in different profiles, together with:

Commonplace Expanded Sheet: A completed product as it comes off the press after being lower and expanded. Often referred to as raised expanded metal, as a result of alternating ridges formed by overlapping metal strips.

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

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

A Versatile Product

Expanded sheet metal is a versatile and economical product that’s durable, easy to work with, and provides low wind resistance. It provides one-piece building that won’t unravel under regular circumstances, and will hold its form for a lot of years. The strands and bonds of the diamond-shaped trusses add energy and inflexibleity.

It is commonly used in a wide range of applications, similar to:

Machine guards

Catwalks, platforms and stair treads


Stair and balcony railing mesh

Window security




And much more

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