Types of welding methods
The main types of welding used in industry are commonly referred to as Mig welding, Arc welding, Gas welding, and Tig welding.
Mig Welding – GMAW or Gas Metal Arc Welding
More commonly called MIG welding this welding type is the most widely used and perhaps the most easily mastered type of welding for industry and home use.
The GMAW (Gas Metal Arc Welding) process is suitable for fusing mild steel, stainless steel as well as aluminum.
This process is also sometimes referred to as metal active gas welding and metal inert gas welding.
This is as the welding process involves a wire electrode fed to the metal work creating an electric arc to fuse the metal joint. The weld area is protected from contamination by the gas shield produced during the welding process.
Tig Welding – GTAW or Tungsten Inert Gas Welding
TIG welding is comparable in a way to oxyacetylene gas welding where a handheld filler rod is used as filler material at the base of the weld. This type of welding needs a lot more expertise and control from the operator.
This welding process is used in manufacturing and industry for carrying out high-quality work when a superior standard of finish is needed. The finished weld is just that and is free of excessive clean up by sanding or grinding.
Arc Welding or SMAW
Generally known as stick or arc welding. Arc welding is the most basic of all welding types and is quite easy to master in a home welding situation. (with practice). Arc welding uses a single flux covered electrode applied directly to the work. This acts as the filler rod to the joint.
Stick welding is used in manufacturing, construction, and repairs. And in many cases using specialized electrodes for specific jobs.
Arc welding is well suited for heavier metal sizes 1/8 inch thick and upwards. Thinner sheet metals and alloys are usually more suited to the MIG welding types.
Gas or Oxy-Acetylene Welding And Cutting
Not used as widely for general welding of mild steel. Consists of mixing oxygen and acetylene gas to greate a flame capable of melting steels. Mostly used today for maintenance work and gas metal cutting. Also common for brazing softer metals such as copper and bronze.
This method is also used for welding delicate aluminum parts such as refrigeration pipes.
Gas Cutting equipment for metal construction and maintenance. The most accessible of thermal cutting gear is by oxy-acetylene gas cutting and plasma cutting machines. Other methods include the use of a thermal cutting electrode for use with the arc welder machine
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