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Telspar® “Telescopic” Square Steel Tube

Telespar® is a mild carbon square steel tube, cold formed in 14 ga (.083″), 12 ga (.105″) and 10 ga (.135″) walls. It is produced in such a manner to permit tubular sections to telescope into the next larger size. Telespar® is available in plain (more common) or galvanized finishes (minimum order may apply), with (minimum order may apply) or without holes (more common). Meets ASTM A570, Grade 50; galvanized to ASTM A653 des. G-90. Recommended for structural applications requiring adjustability or reusability, such as racks, hoists, scaffolds, and enclosures. Telespar has excellent weldability properties.

Typical Mechanical Properties:

Tensile Strength (psi) 52,000 min
Yield Point (psi) 33,000 min
Elongation (% in 2″) 18-23
(depending upon wall thickness)

Note: “Typical Mechanical Properties” listed in this catalog have been compiled from a variety of sources. Information is deemed reliable, but not guaranteed. Data is provided for information only, NOT FOR DESIGN PURPOSES.

Electric Welded Rectangular/Square Tube DiagramSquare Telspar Tubing
Designed for slip fit applications.

AED stocks some sizes of Telespar Square Tube in the Plain finish and without holes, in 24-foot random lengths and generally in .105″ wall. Cut pieces available; and other sizes available on request in full lengths.

1.25 x 1.25 .105 1.560
1.50 x 1.50 .105 1.917
1.75 x 1.75 .105 2.274
2.00 x 2.00 .105 2.631