Hi Uma shankar,
1) 6G - welder - No
2) 6GR welder -Yes, TKY -joints are partial penetration groove joints with limited access during welding.
R stands for restriction ring during performance qualification.
3) TKY NDT - Before welding - UT Lamination check.
After Welding- Wet magnetic particle testing & Angle probe-Ultrasonic testing.
4) Repair Rate- Only applicable for Full penetration groove weld & butt weld only (Category A-CategoryA,B,C)
Regards
Vinoth
On Wed, Jul 26, 2023 at 11:48 AM Uma sankar Sankar <umasankar6246@gmail.com> wrote:
Dear Experts--Can 6G qualified welder can weld T,K,Y joints,yes or no.If yes why,if no why.Why only 6GR qualified welder only can weld T K Y JOINTS?What type of NDT required?How to weekly Repair rate of welder.
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