Expanded metals are grid-shaped sheets that get their shape by stretching and making cuts in the surface. The stretching process gives them increased strength
Expanded metals are made of steel, stainless steel, brass, copper, bronze, aluminium and zinc, among others.
In the case of stretching deformation, staggered cuts are made. Stretching gives the expanded metal meshes a high degree of strength. Since they are made from whole pieces, they do not need to be welded or joined. The manufacturing process also does not produce any waste.
Expanded metal meshes either have a plastically structured surface or are flat-rolled.
Subsequent treatment with powder coatings, anodizing and hot-dip galvanizing is possible.
Expanded metal meshes with diamond-shaped meshes are most commonly produced.
and shapes, material thicknesses and tolerances, see: DIN 791 Expanded mesh
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