- Also see the basics of TIG welding
In this case you are going to weld edges of square tube to a flat plate. On absorption of heat, thin edges may melt more quickly than sides of tube. Keep the MIG gun at such an angle that will direct more heat to the flat plate rather than to edges of tube. Remember to weld tacks on all sides in order to prevent the assembly out of order. Listed below are the critical points that need to know about MIG welding in such kind of joints.
- Weld Run