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Mechanical Engineering Welding / CSWIP · English

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Mechanical Engineering Welding / CSWIP Easy English

Due to the high heating effect in the electrode when TIG welding (141) with AC, it is important that a tungsten electrode used for AC welding is:

A. Ground to a fine vertex angle of <30° before welding

B. Used straight from the packet without any grinding

C. Lightly ground to a slight chamfer (corners only removed)

D. Used without grinding and baked at 300°C an hour before use

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