TIG stands for Tungsten Inert Gas. Tungsten inert gas is an arc welding method involving electric arc heat being maintained in between a fixed non-consumable tungsten electrode and the specific component being welded. The area that is being welded is sheltered from contamination by a shielding gas; in most cases, a filler material is also used. The power supply used for TIG welding is a constant current type, which is conducted across the arc via a column of metal vapors and highly ionized gas, commonly referred to as plasma.
Applications for TIG welding include vessels and pipe work and vessels for offshore, petrochemical and nuclear industries. It is used in aluminum alloy, magnesium and titanium fabrications for the aerospace industry. It is also used in motorcycle and bicycle frames and food, beverage and dairy industries.
Most unusual applications include jewelry, dentistry (for chrome cobalt frameworks) and titanium (for specialist high-strength, low-weight applications). For fine work and low-current applications, TIG is increasingly being used as a more versatile alternative to micro-plasma welding.
It can weld various metals like copper, magnesium and aluminum alloys. TIG welding is mainly used in aeronautical construction, chemical and nuclear power industry. TIG Welding is used for “first pass” welds on various sizes of pipe. It is useful for welding thin parts and components. It is long lasting and highly resistant to cracking and corrosion over long periods of time. The advantages of TIG welding include very high weld quality, absence of surface slag and very little spatter. The method is extremely versatile, since most materials can be TIG-welded and it offers a wide choice of welding positions and joint configurations. TIG welding also has a very aesthetic surface finish. Depending on thee model of TIG welder used, the operative can have control over many of the weld parameters so as to optimize the weld quality. Modern inverter-based TIG power sources are lighter and more portable than traditional units, so on-site TIG welding is common place for both fabrication and modifications.
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Thank you for a very clear and helpful post. I am definitely a violator of many of these rules. I often find myself conflicted when writing a blog post because I see myself writing more than people want to read, but I feel that I have to do the subject matter justice by thoroughly covering it. I feel that by following some of these rules I end up cutting out important aspects to the discussion. I guess you have to find a balance.
I dont comment on many blogs that I come across but I felt I couldn’t pass up the opportunity with this one. Super post. I can only imagine what you will be posting in the future.
Excellent read, I just passed this onto a colleague who was doing a little research on that. And he actually bought me lunch because I found it for him smile So let me rephrase that: Thanks for lunch!