What's Expanded Metal?

What's Expanded Metal?

Expanded metal is a sheet of metal fabricated with a daily pattern of diamond-formed openings. These openings reduce the weight and price of the sheet and provide air flow, making it a flexible solution for many applications. The most typical metals used for expanded metal sheet include metal, stainless metal, and aluminum, although it can also 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 reducing machine. The knives move back and forth in a uniform sample, slicing the sheet in alternating cuts, while the sheet moves via the machine.

As the knives cut, they concurrently push down on the newly minimize sections, stretching them apart into "ribbons." The ribbons stay hooked up at the uncut sections, which become the corners of open diamond shapes in an expanded mesh sheet. The dimensions, form and positioning of the knives and the thickness of the metal sheet may be changed to create openings of various dimensions for quite a lot of applications.

Types of Expanded Metal

Expanded metal sheet comes in totally different profiles, including:

Standard Expanded Sheet: A finished product as it comes off the press after being minimize and expanded. Usually referred to as raised expanded metal, because of the alternating ridges shaped by overlapping metal strips.

Flattened Expanded Sheet: A regular expanded sheet that is 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 each 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 is durable, easy to work with, and provides low wind resistance. It offers 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-formed trusses add energy and inflexibleity.

It's commonly used in a wide range of applications, equivalent to:

Machine guards

Catwalks, platforms and stair treads


Stair and balcony railing mesh

Window security




And much more

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