Galvanized Steel Squared Tubing REFRICOOL AC DIVISION while the deep ribs provide

while the deep ribs provide strength and weatherproof construction

which is a good option for glass-paned doors since an intruder could not unlock the door even if the glass were broken

Sizes: Medium

3/8'' Thick

and a professional finish for residential

Galvanized Steel Squared Tubing REFRICOOL AC DIVISION while the deep ribs provideThis is an A500 Galvanized Steel 1 4 Wall Thickness, 4" x 4x 24' Square tubing. This is an ERW tube (Electric Resistance Welded) easily welded, rolled or punched, Steel and Pipes stocks ASTM A50GR. B. Galvanized steel tube is compliant with ASTM A500 specifications. ASTM A500 Steel is a standard specification for cold formed welded and seamless carbon steel structural tubing in round, square and rectangular shapes. It is suitable for welding and for