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ICM industries |
INVERTER TIG welders Midrand South Africa |
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| www.icmsa.co.za 011-312 3393 | Also exporting to Swaziland, Botswana, Zambia, Zimbabwe, Mozambique |
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Gas Tungsten Arc
Welding (GTAW) is frequently referred to as
TIG welding. TIG welding is a commonly used
high quality welding process. TIG welding
has become a popular choice of welding
processes when high quality, precision
welding is required.
In TIG welding an arc is formed between a nonconsumable tungsten electrode and the metal being welded. Gas is fed through the torch to shield the electrode and molten weld pool. If filler wire is used, it is added to the weld pool Octarately. |
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TIG Welding Benefits
Shielding Gases
Helium is generally added to increase heat input (increase welding speed or weld penetration). Hydrogen will result in cleaner looking welds and also increase heat input, however, Hydrogen may promote porosity or hydrogen cracking. |
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A few companies assemble these inverter machines in South Africa, but again they import them in a few pieces from china.
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