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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