Table 2 Weld quality inspection (mm)
From: Failure analysis of weld cracking of gas gathering pipeline in dewatering station
Specimen number | 1# | 2# | 3# | 4# | Mean value |
|---|---|---|---|---|---|
Measurement category | 12 o’clock direction (crack location) | 9 o’clock direction | 6 o’clock direction | 3 o’clock direction | |
The root welding height | 4.6 | 3.5 | 2.1 | 1.9 | 3.03 |
The cover welding height | 2.5 | 1.7 | 1.6 | 2.3 | 2.025 |