Expanded Metals Terminology
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| Expanded Metal: |
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A rigid piece of metal that has been slit and drawn into an open mesh pattern in a single
operation. It is stronger, lighter in weight and more rigid than the original base metal.
Conventional mesh is formed in a diamond pattern.
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| Base Metal: |
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Original metal before it is expanded; thickness is usually stated as gauge.
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| Finished Thickness |
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Thickness of expanded metal after it’s final secondary operation(s).
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| Strand: |
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One side of expanded metal design. (See Diagram)
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| Bond: |
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The solid intersection of two strands - Double the strand width. (See Diagram)
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| SWD: |
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Short way of design measured from center of bond to center of bond. (See Diagram)
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| LWD: |
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Long way of design measured from center of bond to center of bond. (See diagram)
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| Flattened: |
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Expanded metal that has been cold-rolled after expansion, to provide a smooth,
flat, and level sheet. The flattening process usually reduces the original
gauge of the base metal.
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| Unflattened: |
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Expanded metal as it is produced off the expanded metal press with no secondary
flattening operation. Material looks similar to a louvered design.
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| Coil |
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Expanded metal that is produced to a specific width and then wound on a core.
Typical footage per coil is 2,000 or more feet.
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| Cut to length (sheet) |
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Expanded metal that is produced to a specific width and length.
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