Steel Tube

Service Steel Warehouse stocks the complete line of Hollow Structural Shapes (HSS) in standard sizes, as well as difficult-to-find squares, rectangles, and rounds. In our stock, we keep larger steel tube shapes available in 28’s, 30’s, 32’s, 34’s, 36’s, 40’s, 48’s, and 52’s. We also have 60’ lengths in stock for heavier and larger shapes.

All of these materials are kept in stock at our Houston steel warehouse so that we can provide comprehensive, just-in-time delivery.

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stack of steel tube
bundles of round steel tubing

We stock HSS Round 3” OD through 6” OD with 10” OD. We stock Pipe ½” STD through 20” XH.

View Round Tubing & Pipe

bundle of square steel tubing

We offer squares ½” x 16ga through 16” x 5/8 wall.

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stack of rectangular steel tubing

We offer rectangular tubing 2 x 1 x 16ga through 20 x 12 x 5/8” (or 2×1 up to 20 x 12, wall thickness 16ga up to 5/8” wall).

View Rectangular Tubing

stack of round steel piling

We offer round piling available in sizes 8-5/8 through 20” wall thickness ¼” up to 5/8” all in grade A252-3.

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Additional Steel Products

Service Steel Warehouse, which has been serving its customers since 1965, offers premium-quality carbon steel products throughout the U.S.


Rounds, squares, flats, rebar, and more

Structural Shapes

Channels and beams

Coils, Plates, and Grating

Coils, mill plates, floor plates, bar grating, and more


Steel sheet metal