E9015-G Welding
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Product Introduction
| Item | Specification Requirements |
|---|---|
| Electrode Drying | 350-400°C × 1h → Insulation at 100-150°C |
| Power Polarity | DC reverse polarity (DCEP) |
| Preheating Temperature | 200-300°C (for high-strength steel) / 250-300°C (for heat-resistant steel) |
| Interpass Temperature | ≤250°C |
| Welding Current (φ3.2mm) | Flat position: 90-130A / Vertical/Overhead position: 85-120A |
| Post-Heating Temperature | 200-300°C × 1-2h |
| Stress Relief Heat Treatment | 620±15°C × 1h (for high-strength steel) / 750-770°C × 2h (for heat-resistant steel) |
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