What's Expanded Metal?

What's Expanded Metal?

Expanded metal is a sheet of metal fabricated with a daily pattern of diamond-shaped openings. These openings reduce the weight and price of the sheet and provide air flow, making it a versatile resolution for a lot of applications. The most typical metals used for expanded metal sheet include metal, stainless steel, 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 slicing 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.

As the knives lower, they simultaneously push down on the newly cut 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 dimensions, form and positioning of the knives and the thickness of the metal sheet may be changed to create openings of various dimensions for a wide range of applications.

Types of Expanded Metal

Expanded metal sheet comes in totally different profiles, together with:

Standard Expanded Sheet: A finished product as it comes off the press after being cut and expanded. Typically referred to as raised expanded metal, due to the alternating ridges formed 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 customary 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. Excellent for catwalk and platform applications.

A Versatile Product
Expanded sheet metal is a versatile and economical product that is durable, straightforward to work with, and provides low wind resistance. It presents one-piece development that won’t unravel under normal circumstances, and will hold its shape for many years. The strands and bonds of the diamond-formed trusses add power and rigidity.

It's commonly utilized in a wide range of applications, comparable to:

Machine guards

Catwalks, platforms and stair treads


Stair and balcony railing mesh

Window security




And much more

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