![]() ![]() ![]() Joining of corrosion resistant alloys to cheaper alloys or alloys with more favorable mechanical properties Semi-Automatic, Automatic, Welds are localized at predetermined points.īutt joint surfaces heated and brought together by forceĭissimilar metals are extruded through the same die Two wheel-shaped electrodes roll along workpieces, applying pressure and current Two pointed electrodes apply pressure and current to two or more thin workpieces Gas flames heat surfaces and pressure produces the weld Two metal electrodes in hydrogen atmosphereĬombustion of acetylene with oxygen produces high-temperature flame, inexpensive equipmentĬombustion of hydrogen with oxygen produces flame ![]() Nonconsumable electrode, slow, high quality weldsĪerospace, Construction (piping), Tool and DieĬonsumable electrode covered in flux, can weld any metal as long as they have the right electrodeĪutomatic, arc submerged in granular fluxīoth tube ends are electrodes no protection gas arc rotates fast along edge by applied magnetic field Arc welding NameĬonsumable electrode, no flux or shielding gasĬontinuous consumable electrode filled with fluxĬontinuous consumable electrode and shielding gas The AWS reference codes of the American Welding Society are commonly used in North America. Numbers in parentheses are obsolete and were removed from the current (1998) version of ISO 4063. The associated N reference numbers (second column) are specified in ISO 4063 (in the European Union published as EN ISO 4063). This is a list of welding processes, separated into their respective categories. ![]()
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