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4 1/2″ Structural #1

The perfect size of pipe for both heavier duty work as well as general ease of use. Our 4 1/2″ #1 structural makes for a great entryway, support for car ports, or support material for metal buildings. Any pipe with an outside diameter over 2 inches is always referred to by it’s outside diameter.

Additional information

Weight per foot (when unused):

9.5, 10.5, 11.6

Wall thickness:

.205, .224, .250