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Structural tubing is relatively low in cost, has a high strength-to- weight ratio and is easily welded, formed, punched and drilled. Its hollow shape protects and conceals wires, pipes, moving parts, etc.; and it can be left exposed.
Large sizes can be furnished by press brake forming.
Unit of Measure

Specifications

Material

Carbon Steel

Shapeform

Square Tubing

Type

Hollow Structurals

Size

3 1/2 x 5/16 inches

Working Decimal Equivalent

3.500 x 0.3125 inches88.9 x 7.9375 mm

Average Wall

5/16

Average Wall

0.3125 inches7.9375 mm

Weight

12.700 lbs/ft18.8996828 kg/m