Rectangular tube
Outer Diameter: 15*20mm -300*600mm
Thickness: 0.5-16.0mm
Length: As your requirements
Grade: Q195, Q215, Q235, Q345
Technique: Welded
Packing: Packing: Bundles or bulk
Place of Origin: Tianjin, China
Usage: Fencing, construction, barrier, widows and door

Detailed Description
Rectangular tube
Standard: GB/T6728-2002 or ASTM A500 or EN10219
Steel Grade: Q195-Q345
Surface Finish: Blank, Black, Bright and Galvanized
Length: As your requirements.
Tolerance of outer diameter: Within 0.5mm