Dear Rizwan,
There may be many reasons for root concavity or suck back appearance in weld joints but exact reasons might be found by analysis based on minimum following aspects:
1. Joint design
2. Size Vs Root gap
3. Welding Process
4. Gas flow
5. Welding Speed
6. Current used
7. Welder's Technique
8. Position
9. Skill of welder
Thanks,
Best Regards,
Rajnish Dixit
There may be many reasons for root concavity or suck back appearance in weld joints but exact reasons might be found by analysis based on minimum following aspects:
1. Joint design
2. Size Vs Root gap
3. Welding Process
4. Gas flow
5. Welding Speed
6. Current used
7. Welder's Technique
8. Position
9. Skill of welder
Thanks,
Best Regards,
Rajnish Dixit
On Tuesday, 9 June, 2020, 10:15:20 pm GMT+7, <rizwanmalik333@gmail.com> wrote:
What is the main reasons of coming root concavity or suckback, and who is much responsible for this root hot Welder or filling capping welder?
Thanks
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