What’s Expanded Metal? Leave a comment

Expanded metal is a sheet of metal fabricated with an everyday pattern of diamond-shaped openings. These openings reduce the weight and value of the sheet and provide ventilation, making it a versatile resolution for a lot of applications. The commonest 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 reducing machine. The knives move back and forth in a uniform sample, slicing the sheet in alternating cuts, while the sheet moves by the machine.

Because the knives lower, they concurrently push down on the newly minimize sections, stretching them apart into “ribbons.” The ribbons stay hooked up at the uncut sections, which turn into 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 modified to create openings of various dimensions for a wide range of applications.

Types of Expanded Metal

Expanded metal sheet comes in different profiles, zburdalnic01 together with:

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

Flattened Expanded Sheet: A normal 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 steel sheet or plate. Expanded metal grating has no joints or welds, as every sheet is a single piece of sturdy steel. Preferrred for catwalk and platform applications.

A Versatile Product

Expanded sheet metal is a versatile and economical product that’s durable, simple to work with, and provides low wind resistance. It gives one-piece development that won’t unravel under regular circumstances, and can hold its shape for a lot of years. The strands and bonds of the diamond-formed trusses add energy and rigidity.

It is commonly utilized in a wide range of applications, equivalent to:

Machine guards

Catwalks, platforms and stair treads


Stair and balcony railing mesh

Window security




And far more

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