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2. Flux-cored arc welding - Wikipedia

   en.wikipedia.org/wiki/Flux-cored_arc_welding

   As with all welding processes, the proper electrode must be chosen to obtain the required mechanical properties. Operator skill is a major factor as improper electrode manipulation or machine setup can cause porosity. Flux-cored arc welding machine. Another type of FCAW uses a shielding gas that must be supplied by an external source.

3. List of welding processes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_processes

   Carbon Arc Welding (181) CAW Carbon electrode, historical Copper, repair (limited) Flux Cored Arc Welding: 136 138: FCAW FCAW-S Continuous consumable electrode filled with flux Industry, construction Gas Metal Arc Welding [3] 131 135: GMAW Continuous consumable electrode and shielding gas: Industry Gas Tungsten Arc Welding [4] 141: GTAW

4. Slag (welding) - Wikipedia

   en.wikipedia.org/wiki/Slag_(welding)

   Welding slag is a form of slag, or vitreous material produced as a byproduct of some arc welding processes, most specifically shielded metal arc welding (also known as stick welding), submerged arc welding, and flux-cored arc welding. Slag is formed when flux, the solid shielding material used in the welding process, melts in or on top of the ...

5. Arc welding - Wikipedia

   en.wikipedia.org/wiki/Arc_welding

   Flux-cored arc welding (FCAW) is a variation of the GMAW technique. FCAW wire is actually a fine metal tube filled with powdered flux materials. An externally supplied shielding gas is sometimes used, but often the flux itself is relied upon to generate the necessary protection from the atmosphere.

6. Hardfacing - Wikipedia

   en.wikipedia.org/wiki/Hardfacing

   Powder metal alloys are used in plasma-transferred arc (PTA), also called powder plasma welding, and thermal spray processes like high-velocity oxygen fuel coating, plasma spray, spray and fuse, etc. Submerged arc welding, flux core arc welding (FCAW) and metal inert gas (MIG) / metal active gas (MAG) use continuously fed wire varying in ...

7. Shielding gas - Wikipedia

   en.wikipedia.org/wiki/Shielding_gas

   C-50 (50% argon/50% CO 2) is used for short arc welding of pipes, C-40 (60% argon/40% CO 2) is used for some flux-cored arc welding cases. Better weld penetration than C-25. C-25 (75% argon/25% CO 2) is commonly used by hobbyists and in small-scale production. Limited to short circuit and globular transfer welding.