Flattened Expanded Metal – Lightweight, Economical and Versatile

A piece of blue flattened expended metal sheet with PVC coated surface and diamond holes.
FEM-01: Flattened expended metal with various colors can be used for decoration.

Flattened expanded metal is manufactured by passing the metal through a cold roll reducing mill parallel to the LWD. It is Standard Expanded Metal that has been rolled through a flattening machine in the expanding process. By flattening the sheet, the bonds and strands are turned down to produce a smooth and flat surface – essentially elongating the LWD of the diamond. Flattened Expanded Metal with versatile and be bent or formed in any direction is used in billboard walkways, catwalks, stairs, drying racks, vents, ramps, walkways, flooring.


Materials: stainless steel, carbon steel, brass, aluminum, nickel, Al-Mg alloy.

Specification of Flattened Expanded Metal
Style Galvanized Diamond Size Diamond Opening Size Strand Size %
Weight Per (inches) (inches) (inches) Open Area
SQ. FOOT SWD LWD SWO LWO Width Thickness
Flattened - Carbon Steel
1/2" - 13F 1.61 0.500 1.25 0.265 1.000 0.107 0.078 52
3/4"- 9F 1.88 0.923 2.10 0.563 1.688 0.165 0.120 63
1-1/2"- 9F 1.25 1.330 3.20 1.000 2.563 0.158 0.110 75
Flattened Stainless Steel - (nominal weight only, no galvanize) #304
1/2" -13R 1.78 0.48 1.26 0.220 0.970 0.128 0.080 47
3/4"-9R 1.95 0.923 2.10 0.562 1.697 0.165 0.119 61
1-1/2" -9R 1.31 1.330 3.15 0.937 2.625 0.165 0.119 75
Flattened Aluminum - (nominal weight only, no galvanize)
1/2" - .081 0.42 0.500 1.27 0.312 1.000 0.105 0.006 58
3/4" - .125 0.62 0.923 2.13 0.625 1.750 0.187 0.095 62
1-1/2"- .125 0.41 1.330 3.15 1.000 2.750 0.181 0.095 70
One hand is holding a piece of flattened expanded metal sheet, it has two kinds of openings.
FEM-02: We offer this kind of flattened expanded metal with special pattern, and the two kinds of openings make it suitable for decorative use.
There is one piece of flattened expanded metal in cylinder shape.
FEM-03: Flattened expanded metal can be made into cylinder shape as request.
The picture shows flattened expanded metal dimensions.
FEM-04: Flattened expanded metal details.

Flattened Expanded Metal Features:

  • Lightweight.
  • Economical.
  • Versatile.
  • Low Maintenance.
  • Can be bent or formed in any direction.
  • U-edging for finished edges.

Flattened sheets:

  1. Camber—The greatest deviation of a side of edge from a straight line after flattening shall not exceed 3/32 inch per foot (0.8 mm per 100 mm) of dimension.
  2. Thickness—shall not be less than 70% of the nominal thickness specified for the sheet from the item produced.
  3. Squareness—Ends shall not be more than 1/8 inch per foot (1 mm per 100 mm) out of square or 1/2 inch (12.7 mm) overall.
  4. Flatness (Levelness)—Sheets shall be free from waves or buckles that are in excess of 1-1/2 inch (38.1 mm) from a plane surface.


Flattened expanded metal is widely used as panels, screens, railings, security partitions, reinforcement, gratings, window guards, anti-dazzle screens, fencing, grilles and in billboard walkways, catwalks, stairs, drying racks, vents, ramps, walkways, flooring.

There is one set of garden furniture with four red benches and one blue table.
FEM-05: Garden furniture is the most popular application for flattened expanded metal, which is strong enough and economical.
One bike basket made of flattened expanded metal is shown on this picture.
FEM-06: One of flattened expanded metal applications is the bike basket, which is strong enough to hold many goods.

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Anping Fresh Expanded Metal Factory.

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