Learn the trick of welding and forming thin square tubes 

Learn the trick of welding and forming thin square tubes
Welded and formed a square iron tube of size 40×40
Iron tube thickness is 2mm
This is an iron tube that has been welded and shaped into a box
6013 . wire was used in the welding process
#the art of welding
#welding #iron_pipe
#welding #iron #metal #decoration