Open Access
Table 4.
Welding specifications.
| Welding position | 5G |
|---|---|
| Groove design | Single V groove 65–75° groove angle, 1–1.5 mm root face, 2.5–4 mm root gap |
| Welding current (A) | 80–150 |
| Arc voltage (V) | 10–12 |
| Welding speed (mm/min) | 40–80 |
| Number of weld layers | 4–5 |
| Inter pass temperature (°C) | 100–140 |
| Gas flow rate (L/min) | 13–18 |
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