Research Article
Corrosion Crack Nucleation Mechanism in the Welded Structures of X65 Steel in Natural Seawater
| Weld bead | Grades and specifications of welding consumables (mm) | Polarity | Welding current (A) | Arc voltage (V) | Welding speed (cm/min) |
| Root welding | E6010, φ3.2 | Negative | 60∼90 | 25∼35 | 6∼13 | Hot welding | E71T8-K6, φ2.0 | Positive | 180∼250 | 18∼19 | 15∼30 | Filling | 160∼240 | 12∼25 | Facing | 160∼240 | 12∼25 |
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