List of welding processes
2108110
221990084
2008-06-27T00:55:22Z
Georgewilliamherbert
358954
/* Arc welding */ + electroslag welding
This is a '''list of welding processes''', separated into their respective categories.
==Arc welding==
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| [[Atomic hydrogen welding]]
| Two metal electrodes in hydrogen atmosphere {{inote|MWT7}}
| Historical
|-
| [[Bare metal arc welding]]
| Consummable electrode, no flux or shielding gas {{inote|MWT7}}
| Historical
|-
| [[Carbon arc welding]]
| Carbon electrode, historical
| Copper, repair (limited)
|-
| [[Electrogas welding]]
| Continuous consumable electrode, vertical positioning, steel only
| Storage tanks, shipbuilding
|-
| [[Electroslag 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
==Oxyfuel gas welding==
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| [[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)
|}
==Resistance welding==
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| [[Flash welding]]
|
|
|-
| [[Percussion 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
|
|}
==Solid-state welding==
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| [[Coextrusion welding]]
|
|
|-
| [[Cold welding]]
|
|
|-
| [[Diffusion welding]]
|
|
|-
| [[Explosion welding]]
|
|
|-
| [[Forge welding]]
|
|
|-
| [[Friction welding]]
| Thin heat affected zone, need sufficient pressure
| Aerospace industry, railway, land transport
|-
| [[Friction stir welding]]
|
|
|-
| [[Hot pressure welding]]
|
|
|-
| [[Roll welding]]
|
| Dissimilar materials.
|-
| [[Ultrasonic welding]]
|
|
|}
==Other welding==
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! width=25% | Name !! width=50%| Characteristics !! width=25%| Applications
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| [[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
|-
| [[Laser-hybrid welding]]
| Combines [[Laser beam welding|LBW]] with [[Gas metal arc welding|GMAW]] in the same welding head, able to bridge gaps up to 2mm (between plates), previously not possible with LBW alone.
| Automotive, Shipbuilding, Steelwork industries
|-
| [[Percussion welding]]
|
|
|-
| [[Thermite welding]]
|
| Railway tracks.
|-
|}
==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.
==External links==
* [http://www.key-to-steel.com/Articles/Art75.htm Welding process information]
* [http://www.key-to-steel.com/Articles/Art76.htm Resistance welding process information]
{{Metalworking - Welding}}
[[Category:Welding]]
[[Category:Technology-related lists|Welding processes]]