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2. Cold metal transfer - Wikipedia

   en.wikipedia.org/wiki/Cold_Metal_Transfer

   This type of welding is more efficient than other GMAW methods when the metal is thinner than 10mm, anything thicker and the expense begins to overcome traditional welding. [1] Welding wire is fed through the system that is controlled by a computer, the computer adjusts things such as wire feed, welding speed, and amps going through the wire.

3. List of welding codes - Wikipedia

   en.wikipedia.org/wiki/List_of_welding_codes

   Filler metals and allied materials for metal arc welding W55.3-08 (R2013) Certification of companies for resistance welding of steel and aluminum W59-13: Welded steel construction (metal arc welding) W59.2-M1991 (R2013) Welded Aluminum Construction CAN/CSA-Z662-15: Oil and gas pipeline systems

4. Weld quality assurance - Wikipedia

   en.wikipedia.org/wiki/Weld_quality_assurance

   Inline coherent imaging (ICI) is a recently developed interferometric technique based on optical coherence tomography [8] that is used for quality assurance of keyhole laser beam welding, a welding method that is gaining popularity in a variety of industries. ICI aims a low-powered broadband light source through the same optical path as the ...

5. Welding - Wikipedia

   en.wikipedia.org/wiki/Welding

   The efficiency is dependent on the welding process used, with shielded metal arc welding having a value of 0.75, gas metal arc welding and submerged arc welding, 0.9, and gas tungsten arc welding, 0.8. [75]

6. Underwater cutting and welding - Wikipedia

   en.wikipedia.org/wiki/Underwater_cutting_and_welding

   Most underwater welding is direct current wet stick welding, and most underwater metal cutting is immersed oxygen-arc and shielded metal-arc cutting, though other technologies are available and sometimes used. These processes are mostly applied to steel structures as that is the most common arc-weldable material used in the underwater environment.

7. Ferrocerium - Wikipedia

   en.wikipedia.org/wiki/Ferrocerium

   The idea that carbon steel is needed to produce sparks from a ferrocerium rod is an oft repeated myth, though carbon steel does make the spark more prevalent when striking. [6] Ferrocerium is most commonly used to start Bunsen burners and oxyacetylene welding torches. [citation needed] About 700 tons were produced in 2000. [citation needed]