Expanded metal is a sheet of metal fabricated with a daily pattern of diamond-shaped openings. These openings reduce the load and cost of the sheet and provide ventilation, making it a versatile solution for many applications. The commonest metals used for expanded metal sheet embody steel, stainless steel, and aluminum, although 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 pattern, slicing the sheet in alternating cuts, while the sheet moves by means of the machine.
Because the knives lower, they simultaneously push down on the newly reduce sections, stretching them apart into "ribbons." The ribbons remain connected at 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 could be modified to create openings of different dimensions for a wide range of applications.
Types of Expanded Metal
Expanded metal sheet is available in completely different profiles, including:
Commonplace Expanded Sheet: A completed product as it comes off the press after being minimize and expanded. Usually referred to as raised expanded metal, as a result of alternating ridges shaped by overlapping metal strips.
Flattened Expanded Sheet: A typical expanded sheet that is 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 each sheet is a single piece of sturdy steel. Ideal for catwalk and platform applications.
A Versatile Product
Expanded sheet metal is a flexible and economical product that's durable, simple to work with, and provides low wind resistance. It provides one-piece construction that won’t unravel under normal circumstances, and will hold its form for many years. The strands and bonds of the diamond-shaped trusses add strength and rigidity.
It's commonly utilized in a wide range of applications, reminiscent of:
Catwalks, platforms and stair treads
Stair and balcony railing mesh
And far more
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