Ck Worldwide Inc Tungsten Electrodes, 120 Pack VariesBy:Default 75 inches in size and

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Provides 100 "Minutes" of 10 problems for students to complete within a short time period

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Ck Worldwide Inc Tungsten Electrodes, 120 Pack VariesBy:Default 75 inches in size andTIG welding electrodes usually contain small quantities of metallic oxides which can offer the following benefits: Facilitate arc starting Increase arc stability Improve current carrying capacity of the electrode Reduce the risk of weld contamination Increase electrode life. Oxides used are primarily zirconium, thorium, lanthanum or cerium. Additions are 1% 4%, improve arc initiation, especially when direct current (DC) welding is employed. Thorium