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D.E.I Welding and Fabricating Services

Pin removal using exothermic piercing


SMAW (shielded metal arc welding): SMAW, shielded metal arc welding (stick welding). This welding process uses individual welding rods and is useful for work conducted outdoors and less than ideal conditions and is usually limited to steels and stainless steels. It produces very high quality and high strength welds but is more time consuming than other methods. It can be used for joining or hard-surfacing various materials.


GMAW, gas metal arc welding (mig). This welding process uses a continuous filler wire and is useful for work conducted indoors or where the work can be shielded from drafts. It can be used to weld steels, stainless steels, and aluminum. It is considerably faster than SMAW.


FCAW, flux-cored arc welding (flux-cored mig). This welding process is useful for outdoor work where large volumes of weld metal are required. It is less suseptible to weld contamination from environmental conditions than GMAW. It is generally used to produce high quality welds in steels and steel alloys.


GTAW, gas tungsten arc welding (tig). This welding process is useful for producing very high quality welds in steel, aluminum, pipe, and very light gauge materials. It is sometimes used to produce root passes in pipe.


Oxy-Acetylene cutting. This cutting process is useful for preparing mild and alloy steels for welding. It will not cut cast iron, or non-ferrous materials. D.E.I. Welding & Fabricating has both manual and mechanized oxy-acetylene cutting capability.


AAC, air carbon arc cutting (air arc). This is a manual cutting process that is useful for removing defective (cracked) welds in steel, and stainless steel. It can also be used to severe materials, when necessary.


PA, plasma arc cutting. This cutting process is useful for cutting almost any electrically conductive material. It does so with much less heat input than oxy-acetylene which makes this process useful for cutting light gauge material without distortion. It also lends itself to much more intricate cutting because the kerf it produces is usually much smaller than that produced by oxy-acetylene. D.E.I. Welding & Fabricating has both manual and mechanized plasma arc cutting capability.



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