ROYAL PRIME E111T1-K3MJ-H4 is a high-performance flux-cored wire for:Welding low alloy steels requiring ultra-high strength (>111 ksi / 760 MPa).High arc stability with minimal spatter and smooth bead formation.Designed for heavy structural steel, offshore platforms, pipelines, and pressure vessels.Low hydrogen characteristics (H4) reduce the risk of cracking in thick or restrained sections.
| C | Mn | Si | Ni | P | S | Cr | Mo |
| 0.03-0.15 | 1.20 – 2.25 | 0.20 – 0.80 | 1.75– 2.65 | ≤0.03 | ≤0.03 | 0.20-0.60 | 0.20-0.65 |
| Property | UTS (MPa) | Yield Strength (MPa) | Elongation (%) | Impact Toughness (J @ -20 °C) |
| Typical Values | 770 – 830 | 710 – 780 | 20 – 24 | 40 – 55 |
| Welding Position | Current (A) | Voltage (V) | Shielding Gas | Gas Flow (L/min) | Polarity |
| Flat / Horizontal | 250 – 400 | 30 – 36 | 100% CO₂ or Ar + 20–25% CO₂ (mix) | 15 – 25 | DCEP |
| Vertical / Overhead | 200 – 360 | 28 – 34 | 100% CO₂ or Ar + 20–25% CO₂ (mix) | 15 – 25 | DCEP |
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