List of welding processes
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This is a list of welding processes, separated into their respective categories.
Contents |
[edit] Arc welding
| Name | Characteristics | Applications |
|---|---|---|
| Atomic hydrogen welding | Two metal electrodes in hydrogen atmosphere | Historical |
| Bare metal arc welding | Consummable electrode, no flux or shielding gas | Historical |
| Carbon arc welding | Carbon electrode, historical | Copper, repair (limited) |
| Electrogas welding | Continuous consumable electrode, vertical positioning, steel only | Storage tanks, shipbuilding |
| Flux cored arc welding | Continuous consumable electrode filled with flux | Industry, construction |
| Gas metal arc welding ¹ | Continuous consumable electrode and shielding gas | Industry |
| Gas tungsten arc welding ² | Nonconsumable electrode, slow, high quality welds | Aerospace |
| Plasma arc welding | Nonconsumable electrode, constricted arc | Tubing, instrumentation |
| Shielded metal arc welding ³ | Consumable electrode covered in flux, steel only | Construction, outdoors |
| Stud arc welding | Welds studs to base material with heat and pressure | Construction, shipbuilding |
| Submerged arc welding | Automatic, arc submerged in granular flux | Ship industry |
- Also known as metal inert gas (MIG) welding or metal active gas (MAG) welding
- Also known as tungsten inert gas (TIG) welding
- Also known as manual metal arc (MMA) welding or stick welding
[edit] Oxyfuel gas welding
| Name | Characteristics | Applications |
|---|---|---|
| Air acetylene welding | Chemical welding process, not popular | Limited |
| Oxyacetylene welding | Combustion of acetylene with oxygen produces high-temperature flame, inexpensive equipment | Maintenance, repair |
| Oxyhydrogen welding | Combustion of hydrogen with oxygen produces flame | Limited |
| Pressure gas welding | Gas flames heat surfaces and pressure produces the weld | Pipe, railroad rails (limited) |
[edit] Resistance welding
| Name | Characteristics | Applications |
|---|---|---|
| Flash welding | ||
| Pressure-controlled resistance welding | ||
| Projection welding | ||
| Resistance seam welding | Two wheel-shaped electrodes roll along workpieces, applying pressure and current | |
| Resistance spot welding | Two pointed electrodes apply pressure and current to two or more thin workpieces | Automobile industry |
| Upset welding | Butt joint surfaces heated and brought together by force |
[edit] Solid-state welding
| Name | Characteristics | Applications |
|---|---|---|
| Coextrusion welding | ||
| Cold welding | ||
| Diffusion welding | ||
| Explosion welding | ||
| Forge welding | ||
| Friction welding | Thin heat affected zone, need sufficient pressure | Aerospace industry, railway, land transport |
| Hot pressure welding | ||
| Roll welding | Dissimilar materials. | |
| Ultrasonic welding |
[edit] Other welding
| Name | Characteristics | Applications |
|---|---|---|
| Electron beam welding | Deep penetration, fast, high equipment cost | |
| Electroslag welding | Welds thick workpieces quickly, vertical position, steel only | Heavy plate fabrication, construction |
| Flow welding | ||
| Induction welding | ||
| Laser beam welding | Deep penetration, fast, high equipment cost | Automotive industry |
| Percussion welding | ||
| Thermite welding | Railway tracks. |
[edit] References
- Cary, Howard B. and Scott C. Helzer (2005). Modern Welding Technology. Upper Saddle River, New Jersey: Pearson Education. ISBN 0-13-113029-3.
- Lincoln Electric (1994). The Procedure Handbook of Arc Welding. Cleveland: Lincoln Electric. ISBN 99949-25-82-2.
[edit] External links
| Image:Blacksmith-hammer-anvil-50x50.png Metalworking
| |
|---|---|
| Welding | |
| Arc welding: Shielded metal (MMA) | Gas metal (MIG) | Flux-cored | Submerged | Gas tungsten (TIG) | Plasma | |
| Other processes: Oxyfuel | Resistance | Spot | Forge | Ultrasonic | Electron beam | Laser beam | |
| Equipment: Power supply | Electrode | Filler metal | Shielding gas | Robot | Helmet | |
| Related: Heat-affected zone | Weldability | Residual stress | Arc eye | Underwater welding | |
| See also: Brazing | Soldering | Metalworking | Fabrication | Casting | Machining | Metallurgy | Jewelry | |
