Welding Essentials: Questions and Answers

| Group | Welding Process | AWS Letter Designation |
|---|---|---|
| Arc Welding | Carbon arc | CAW |
| Electrogas welding | EGW | |
| Flux cored arc welding | FCAW | |
| Gas metal arc welding | GMAW | |
| - Pulsed arc | GMAW-P | |
| - Short-circuiting arc | GMAW-S | |
| Gas tungsten arc | GTAW | |
| - Pulsed arc | GTAW-P | |
| Plasma arc welding | PAW | |
| Shielded metal arc welding | SMAW | |
| Stud arc welding | SW | |
| Submerged arc welding | SAW | |
| Brazing | Block brazing | BB |
| Carbon arc brazing | CAB | |
| Diffusion brazing | DB | |
| Dip brazing | DB | |
| Flow brazing | FLB | |
| Furnace brazing | FB | |
| Induction brazing | IB | |
| Infrared brazing | IRB | |
| Resistance brazing | RB | |
| Torch brazing | TB | |
| Other welding processes | Electron beam welding | EBW |
| Electroslag welding | ESW | |
| Flow welding | FLOW | |
| Induction welding | IW | |
| Laser beam welding | LBW | |
| Percussion welding | PEW | |
| Thermit welding | TW | |
| Oxyfuel gas welding | Oxyfuel welding | OFW |
| Air acetylene welding | AAW | |
| Oxyacetylene welding | OAW | |
| Oxyhydrogen welding | OHW | |
| Pressure gas welding | PGW | |
| Resistance welding | Flash welding | FW |
| Projection welding | PW | |
| Resistance seam welding | RSEW | |
| Resistance spot welding | RSW | |
| Soldering | Dip soldering | DS |
| Furnace soldering | FS | |
| Induction soldering | IS | |
| Infrared soldering | IRS | |
| Iron soldering | INS | |
| Resistance soldering | RS | |
| Torch soldering | TS | |
| Wave soldering | WS | |
| Solid state welding | Cold welding | CW |
| Diffusion welding | DFW | |
| Explosion welding | EXW | |
| Forge welding | FOW | |
| Friction welding | FRW | |