Classification Of Welding Processes
The classificated depending upon the nature of heat source and its movement resulting in spot, seam or zonal welds; or on the extent of heat generation viz., low heat and high heat.
1.Cast-weld processes
- Thermit welding
- Electoslag welding
2. Arc , Beam, and Flame welding processes
A.) Seam welds
- Carbon Arc
- Submerged Arc
- Shielded metal Arc
- Fus Arc
- Gas tungsten Arc
- Gas metal Arc
- Plasma Arc
- Plasma -MIG
- Electrogas welding
- Electron beam welding
- Laser welding
- Oxy-acetylene welding
B.) Spot welds
2. Resistance welding processes
A.) Spot welds
- Spot welding
- Projection welding
B.) Seam welds
- Seam welding
- Electric resistance welding
- H.F. Resistance welding
- H.F. Induction welding
C.) Zonal welds
- Resistance Butt welding
- Flash Butt welding
- Percussion welding
3. Solid-state welding processes
A.) High heat input processes
- Friction welding
- Forge welding
- Diffusion bonding
B.) Low heat input processes
- Ultrasonic welding
- Explosion welding
- Cold pressure welding
- Thermo-compression bonding