ROYAL PRIME N1 is a low alloy flux-cored wire containing ~1% Nickel, designed for applications requiring excellent notch toughness at low temperatures. It is ideally suited for offshore structures, pressure vessels, pipelines, shipbuilding, and bridge fabrication, especially where impact toughness down to –40°C is critical.
| C | Mn | Si | Ni | Mo | Cr | P | S |
| 0.03 – 0.12 | 1.00 – 1.50 | 0.20 – 0.80 | 0.80 – 1.10 | ≤ 0.35 | ≤0.15 | ≤0.03 | ≤0.03 |
| Property | UTS (MPa) | Yield Strength (MPa) | Elongation (%) | Impact Toughness |
| Typical Values | 560 – 690 | 480 – 520 | 20 – 25 | 60 – 90 J @ –40°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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