Due to Winter Storm Enzo, both of our Houston locations will be closed Tuesday 1/21/2025. We anticipate reopening on Wednesday - check back for updated information
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Galvanized Square and Round Mechanical Tubing

4in Galvanized Square Tubing Excess Prime

We have many different lengths of 4" Galvanized Square Tubing available in 10, 11, and 12-gauge.

In addition, a few sizes of Galvanized Round Mechanical Tubing are available - 2.5 inch 11-gauge, 3.5 inch 8-gauge & 11-gauge, and 5.0 inch 11-gauge.

Take a look - some of these sizes might fit your needs better than the standard lengths!

For pricing, please call our knowledgeable sales staff at 713-991-7600

Available while supplies last.


Four Inch Galvanized Square Tubing
Part #Length
(ft, inches)
GST4.00 X 10GA X 365"30', 5"
GST4.00 X 10GA X 412"34', 4"
GST4.00 X 10GA X 420"35'
GST4.00 X 10GA X 436"36', 4"
GST4.00 X 10GA X 440"36', 8"
GST4.00 X 10GA X 455"37',11"
GST4.00 X 10GA X 460"38', 4"
GST4.00 X 11GA X 248"20', 8"
GST4.00 X 11GA X 364"30',4"
GST4.00 X 11GA X 391"32', 7"
GST4.00 X 11GA X 418"34', 10"
GST4.00 X 11GA X 442"36', 10"
GST4.00 X 11GA X 453"37', 9"
GST4.00 X 11GA X 455"37', 11"
GST4.00 X 11GA X 456"38'
GST4.00 X 12GA X 364"30', 4"
GST4.00 X 12GA X 375"31', 3"
GST4.00 X 12GA X 427"35', 7"
GST4.00 X 12GA X 438"36', 6"
GST4.00 X 12GA X 451"37', 7"
GST4.00 X 12GA X 457"38', 1"


Galvanized Round Mechanical Tubing
Part #Length
(ft, inches)
GMT2.50 X 11GA X 225"18', 9"
GMT2.50 X 11GA X 232"19', 4"
GMT2.50 X 11GA X 237"19', 9"
GMT2.50 X 11GA X 240"20', 0"
GMT3.50 X 8GA (.157) X 192"16'
GMT3.50 X 11GA X 324"27', 0"
GMT5.00 X 11GA X 371"30', 11"


Galvanized Mechanical Tubing
5in. Galvanized Mechanical Tubing


Galvanized Mechanical Tubing
Galvanized Mechanical Tubing