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Tuesday, October 21, 2014

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Porosity | Inclusions | Incomplete Fusion | Inadequate Penetration | Cracks

Inadequate Penetration
No. Defects Remedies

1.

Improper Joint preparation
a) Excessively thick root face
b) Insufficient root opening
c) Bridging of root opening

Use proper joint geometry.
Reduce root face height.
Use wider root opening.

2.

Electrode diameter too large

Use smaller electrode in root.

3.

Inadequate current

Follow correct welding current and technique

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