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By certification 
Base Metal Original metal before it is expanded; thickness is usually stated as gauge.
Finished Thickness Thickness of expanded metal after it’s final secondary operation(s).
Strand One side of expanded metal design. (See Diagram)
Bond The solid intersection of two strands - Double the strand width. (See Diagram)
SWD Short way of design measured from center of bond to center of bond. (See Diagram)
LWD Long way of design measured from center of bond to center of bond. (See diagram)
Flattened 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.
Unflattened Expanded metal as it is produced off the expanded metal press with no secondary flattening operation. Material looks similar to a louvered design.
Coil 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.
Cut to length (sheet) Expanded metal that is produced to a specific width and length.
Finished Thickness Thickness of expanded metal after it’s final secondary operation(s).
Strand One side of expanded metal design. (See Diagram)
Bond The solid intersection of two strands - Double the strand width. (See Diagram)
SWD Short way of design measured from center of bond to center of bond. (See Diagram)
LWD Long way of design measured from center of bond to center of bond. (See diagram)
Flattened 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.
Unflattened Expanded metal as it is produced off the expanded metal press with no secondary flattening operation. Material looks similar to a louvered design.
Coil 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.
Cut to length (sheet) Expanded metal that is produced to a specific width and length.
