In the Us what is tig welding also called?
In tig welding which direction does the ions and electrons flow?
When tig welding dc positive what is reccomended for the type of torch and tungsten?
In Tig welding what is the heat balance and weld profile in dc -?
In Tig travel speed effects what with the weld?
Name the 5 tungsten types for Tig welding
Pure tungsten
Thoriated
Ceriated
Lanthaniated
Zirconiated
What are pure tungsten electrodes used for in Tig?
What is a dis advantage and advantage of thoriated electrodes in Tig?
For reason are tungsten’s alloyed with ceriated and lanthanum? What polarity are they best used with and what advantage do they have over Thoriated?
What electrode operates between a pure tungsten and Thoriated, and what characteristic can it maintain to make it suitable for ac welding?
With dc- what types of tungsten will have a vertex tip?
What should the length of an electrode tip be ground to? And what effect does a ground tip have on the weld?
What shielding gases are used for Tig?
What is the advantages are there of using Argon over helium and vice versa?
What does the shielding gases do in Tig welding and what range should it flow in?
During back purging the flow rate should be reduced to what when welding?
What is the general rule for stick out length of the electrode in Tig?
