5 OPERATION
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© ESAB AB 2015
5.5.5
Electrode selection
The electrode diameter selection is based on
the workpiece thickness, welding position,
joint form, welding layer, etc. Please refer to
the recommendations on the electrode
package for further details.
•
To ensure good quality weld, the
electrode should always be dried or dry
stored. This to avoid hydrogen inclusion,
blowholes and cold cracks.
•
In the welding process, the arc must not
be too long; otherwise, it will cause
unstable arc burning, large spatter, light
penetration, undercut, blowhole, etc. If the
arc is too short, it will cause electrode
stick.
