Black Steel Square TubeThis is an A500 Black Steel 3 16 Wall Thickness, 10" x 10x 20' Square tubing. A500 Carbon Steel Structural Tubing provides several advantageous qualities that make it a highly sought after construction material for structural load bearing applications. Some of the most recognizable beneficial qualities that A500 Carbon Steel Structural Tubing provides includes general fabrication, structural needs, manufacturing, repairs, and more. A500 Steel is

Ethanol-free formula eliminates risk of engine seizure or costly repairs due to ethanol related moisture attraction and phase separation

Minimal contamination of wire surface during manufacturing process

auto body work and light maintenance or repair applications

Zipper closure with Velcro® storm flap

4" x 20' Pipe with a Plain End

and it's never upside down

Abrasive Wheel Type Type 29

Rail is carefully formed to give an even tread to hanger wheels

ASTM A500 Structural Quality – Ensures consistent mechanical performance and dependable load-bearing capability for light- to medium-duty applications

and for welding complies with ASTM A-500

TIG welding creates fine seams without generating spatter and sparks so gloves are thinner and more dexterous than other welding gloves

and mechanical fastening