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Most Common Welding Techniques

Welding techniques are mainly differentiated by the equipment and gases used, as well as by the characteristics of the resulting bonds. Three of the most common options are:

  • Tungsten Inert Gas (TIG) Welding, also known as Gas Tungsten Arc Welding (GTAW)
  • Metal Inert Gas (MIG) Welding, also known as Gas Metal Arc Welding (GMAW)
  • Shielded Metal Arc Welding (SMAW), also known as Stick Welding

TIG Welding. TIG welding is extremely versatile but requires a high degree of technical competence. The welder must simultaneously feed a rod while also operating a TIG torch. The electrode on this torch heats the base metal to form weld beads that hold the two pieces together.

TIG welding is one of the most popular techniques today, allowing for clean welds with high degrees of purity. TIG welding also creates an aesthetically pleasing finish thanks to the welding beads, and it is useful for many industries and applications due to the range of suitable materials—which includes most conventional metals and alloys.

MIG Welding. MIG welding is a comparatively simple technique that is nonetheless valued for its ability to create extremely strong bonds with minimal waste. The technique involves feeding an electrode through a welding gun to form an electric arc between the base material and the electrode. This arc is what heats the material sufficiently to melt and join two pieces.

MIG welding is popular in the automotive and maritime industries because of the strength of its bonds. It is also useful for joining thinner materials, especially when using bare wire rather than a flux core.

SMAW Welding. Stick welding is one of the more traditional welding techniques, although it still retains benefits for many modern applications. It is a lower-cost, portable alternative to the other methods, and it can be used with trickier base materials—such as rusted metals—that would prevent a MIG or TIG approach.

Like MIG, stick welding uses a consumable electrode that is melted by an electric arc. Unlike MIG welding or TIG welding, however, stick welding does not require the use of a shielding gas, which is otherwise used to protect the weld puddle as it forms. Stick welding does create a byproduct layer of slag that must be removed, which presents an additional step when compared to other techniques. Otherwise, it is a relatively simple process that holds its weight with heavy industrial jobs.

Industry Leaders in Welding and Fabrication

Because welding is so ubiquitous, we have experience working with a vast array of industries. Some of our most frequently served sectors include:

  • Institutional equipment
  • Construction
  • Manufacturing
  • Aerospace
  • Robotics
  • Agriculture

The success of any welding project depends heavily on the ability and knowledge of the welder. No matter how complex your needs, our skilled team of fabricators will work with you to identify and apply the techniques that best suit your materials, budget, and timeline.

Contact us to learn more about the advantages of collaborating with industry-leading professionals on your next metalwork project.