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 weight and value of the sheet and provide ventilation, making it a flexible answer for many applications. The most typical metals used for expanded metal sheet embody steel, 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 via the machine.

As the knives lower, they concurrently push down on the newly cut sections, stretching them apart into "ribbons." The ribbons remain attached at the uncut sections, which grow to be the corners of open diamond shapes in an expanded mesh sheet. The size, shape and positioning of the knives and the thickness of the metal sheet might be changed to create openings of different dimensions for a wide range of applications.

Types of Expanded Metal

Expanded metal sheet comes in totally different profiles, including:

Commonplace Expanded Sheet: A completed product as it comes off the press after being minimize and expanded. Often referred to as raised expanded metal, due to the alternating ridges formed 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 commonplace 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. Ideal for catwalk and platform applications.

A Versatile Product
Expanded sheet metal is a versatile and economical product that is durable, simple to work with, and provides low wind resistance. It affords one-piece construction 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 strength 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

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