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Get to Know Expanded Mesh in Technical Terms

Views: 6     Author: Site Editor     Publish Time: 2017-04-10      Origin: Site

Expanded metal sheet, after the process of expansion, if necessary, can become several times its original size. In the process of expansion, the metal sheet material is given a full use with less or zero loss of material compared with metal mesh of other processing method. 
To increase the rigidity and corrosion resistance, the expanded metal can be plastic coated.

Because of the structure, expanded metal sheets have great uses as well as the sectors of applications.

Easy for cutting and bending, expanded metal in fine and medium thickness, can be processed in small workshops or even on the spot of application.

A = Opening of mesh - center to center in the short distance
B = length of the loop – center to center in the long distance 
C = Thickness in the long distance 
D = The strip
E = thickness of the plate in the short distance
SC = provision cross - mesh - accompanying the width 
SL = provision longitudinal - mesh - the length 

Get to Know Expanded Mesh in Technical Terms.gif

The expanded metal floors are expanded plates in big thicknesses with a high mechanical strength. In places where the load is distributed and concentrated largely, greater mechanical strength is required, expanded metal grating floors come.

Strands: The individual slit metal strips, or slides of an expanded metal pattern. Strand Thickness in standard expanded metal is the gauge or thickness of the sheet or coil from which the expanded metal was produced. In flattened expanded metal it is the overall thickness of the finished sheet. Strand Width in standard expanded metal is the amount of metal fed into the expanding machine, which is slit and stretched with each stroke of the upper die. In flattened expanded metal, it is as the name implies, the width of the strand.

Style Designation: Expanded metal products are designated by a series of numbers which identify a given style. The First Number is the nominal diamond dimension Short Way of Design (SWD).  The Second Number used in conjunction with the first number MAY specify the gauge of metal, weight per hundred square foot, or may have some other significance. Therefore, the word "GAUGE" SHOULD NEVER BE ADDED TO THE STYLE DESIGNATION. Grating products are designated by weight per square foot of the finished product.

Percent Open Area: The amount of open area to determine the amount of light or air passage.

LWO: Long Way of Opening, the distance measured from the inside of the bond across to the inside of the bond LWD.

Bond: The intersection of two strands and it is always the width of two strands.

Overall Thickness: The actual measurement of the thickness of the mesh measured at the bond.



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