Table 5 Relevant indications detected by RT and UT

From: Waiting time before NDT of welded offshore steel grades under consideration of delayed hydrogen-assisted cracking

Test point Restraint intensity HD level RT UT
R1 Medium Low - -
R2 Medium High X X
1 Low Low - n.t.
2 High Low - X
3 High Low - X
4 Low Low - n.t.
5 Low High X n.t.
6 High High X X
7 High High X X
8 High High X n.t.
460_A Medium Low - -
460_B Medium High X X
460_C Medium Low - -
460_D Medium High X X
  1. X relevant failure indications, n.t. not tested