Views:21 Author:Site Editor Publish Time: 2017-08-03 Origin:Site
Provides good arc stability for AC welding. Reasonably good resistance to contamination. Lowest current carrying capacity. Least expensive. Maintains a balled end.
1.8% to 2.2%
Similar performance to thoriated tungsten electrode. Easy arc starting, good arc stability, long life. Possible replacement for thoriated.
1.7% to 2.2%
Easier arc starting. Higher current capacity. Greater arc stability. High resistance to weld pool contamination. Difficult to maintain balled end on AC.
1.3% to 1.7%
Gold, Black, Blue
Similar performance to thoriated tungsten electrodes. Easy arc starting, good arc stability, long life, high current capacity. Possible replacement for thoriated tungsten electrodes .
0.15% to 0.40%
Excellent for AC welding due to favorable retention of balled end, high resistance to contamination, and good arc starting. Preferred when tungsten contamination of weld is intolerable.