ROYAL PRIME N2 is a low alloy flux-cored wire with ~2% Nickel, specially designed for extreme low-temperature applications requiring high impact toughness down to –60°C. It is used extensively in LNG storage tanks, offshore structures, pipelines, shipbuilding, and pressure vessels operating in arctic environments.
| C | Mn | Si | Ni | P | S |
| 0.03 – 0.12 | 0.50 – 1.50 | 0.20 – 0.80 | 1.75– 2.75 | ≤0.03 | ≤0.03 |
| Property | UTS (MPa) | Yield Strength (MPa) | Elongation (%) | Impact Toughness |
| Typical Values | 570 – 690 | 490 – 540 | 20 – 25 | 55 – 85 J @ –60°C |
| Welding Position | Current (A) | Voltage (V) | Shielding Gas | Gas Flow (L/min) |
| Flat / Horizontal | 170 – 350 | 24 – 34 | 100% CO₂ or Ar + 20–25% CO₂ | 15 – 25 |
| Vertical / Overhead | 140 – 280 | 22 – 32 | 100% CO₂ or Ar + 20–25% CO₂ | 15 – 25 |
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