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What's Expanded Metal?

What's Expanded Metal?

Expanded metal is a sheet of metal fabricated with an everyday sample of diamond-formed openings. These openings reduce the weight and price of the sheet and provide air flow, making it a versatile solution for a lot of applications. The most typical metals used for expanded metal sheet include metal, stainless metal, 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 cutting 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 minimize, they simultaneously push down on the newly cut sections, stretching them apart into "ribbons." The ribbons stay attached 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 might be changed to create openings of different dimensions for quite a lot of applications.

Types of Expanded Metal

Expanded metal sheet comes in completely different profiles, including:

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

Flattened Expanded Sheet: A standard expanded sheet that is 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 steel sheet or plate. Expanded metal grating has no joints or welds, as every sheet is a single piece of sturdy steel. Ideally suited 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 offers one-piece building that won’t unravel under regular circumstances, and will hold its shape for many years. The strands and bonds of the diamond-shaped trusses add power and inflexibleity.

It is 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 far more