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About Expanded Metals
Expanded metal is a sheet of metal which has been slit
and expanded up to ten times its original width. Expanded metal manufacturers
simultaneously slit and stretch the metal to form a solid piece construction,
which has a meshed, diamond-shape cutout pattern. Expanded metal is finished
product that offers versatility, durability, and excellent weight-to-strength
ratio. It can be adapted for use in almost any application, and comes
in a wide range of styles and finishes.
Expanded metal manufacturers produce three primary types of expanded
metal: flattened, unflattened or standard, and decorative. Flattened
expanded metal, which has been cold-rolled after expansion to provide
a smooth, flat, level sheet. This flattening reduces the thickness of
the metal by about ten percent. Unflattened or standard expanded metal
comes directly from the press with a raised texture. It is more rigid
than flattened expanded metal. Decorative expanded metal is produced
with a variety of mesh patterns.
Expanded metal may be used in a variety of applications and industries.
The metal may be used for architectural panels, stairs, gratings, vents,
drying racks, flooring, enclosures, ramps, fencing, walkways, grilles,
and security partitions. When rigidity, strength, light weight, and the
free passage of air and light are needed, expanded metal is a versatile
and functional product.
Expanded metal manufacturers offer a wide range of mesh patterns, materials
and finishes to suit many applications. Normally, the metals used in
production of expanded metal are carbon, steel, aluminum and stainless
steel. Copper, silver, nickel and other ferrous and non-ferrous metals
may also be used in decorative applications. Finishes include galvanized,
porcelain enameled, painted, lacquered, plastic coated and anodized.
Because of its versatility and strength, expanded metal is in high demand
in many industrial and commercial settings.
Featured
Articles
http://www.engineeringnews.co.za/article.php?a_id=83668
http://www.metalcenternews.com/2003/July/mcn0307f3ExpandedMetal.htm
Types of Expanded Metals
- comes with a variety of
mesh patterns other than the standard diamond shape, and may also be
produced using more decorative metals, such as copper or silver.
- is used for walkways and platforms designed for pedestrian
foot traffic.
- is fencing produced from expanded
metal. It offers strength, safety, durability and aesthetic qualities
not found with many other types of fencing.
- is
used when smaller openings are desired, such as in filters.
- can be found in a number of strengths for applications varying
from walkways and fencing to corner netting for use under plaster
and drywall.
- has been cold-rolled after
expansion, providing a smooth, flat and level sheet. The metal’s
thickness thus will be reduced by up to ten percent.
- has very small opening in comparison to other types of expanded
metals or mesh.
- comes directly
from the press and has a raised pattern. The strands and bonds are
set at a uniform angle to the plane of the sheet.
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