How to weld > Welding defects and discontinuities
Hot crack or solidification crack
Read about possible causes and suitable actions to avoid them
Cause
- Weld bead too deep in relation to the width
- High C, S, P, Nb pick-up
- Too high travel speed
- Large root gap
Remedial actions
- Make sure that the width/depth-ratio of the weld exceeds about 1.0
- The joint must be free from impurities
- Reduce the welding speed
- Reduce the root gap
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