Metal expands as it is heated and contracts as it cools. Keeping the heat input even, completely around the pipe, will help. If possible reheating the weld area after the weld is complete can help to "stress relieve" the joint. Using a weld "fixture" to prevent bending is another possibility.
It depends on the material of the pipes
forgot to mention its for welding gas pipes the yellow ones
Welding with cast iron welding rods
Past continuous is formed with - was/were + verb +ingwas weldingwere welding
4MM..
Plumbers that solder pipe together, also known as welding of the pipes.
Type your answer here... no
Plumbers that solder pipe together, also known as welding of the pipes.
By rolling and welding flat plates or more commonly by the extruding process.
pipe bender(bend-pak)
Tungsten Inert Gas (TIG)
The welding operation is stopped by moving the welding torch away from the workpiece to break the electrical circuit and extinguish the welding arc. Additionally, turning off the welding power source or releasing the welding trigger can also stop the welding operation.