JACKSUN ULTRA CR5 is a low-hydrogen electrode specifically designed for welding creep-resistant steels used in high-temperature power plant components such as boilers, superheaters, and piping systems. It ensures excellent crack resistance, weld integrity, and long-term performance under elevated temperature and stress conditions.
| C | Mn | Si | Ni | Mo | Cr | S | P |
| 0.05-0.10 | 0.5 – 1.0 | 0.5 – 1.0 | 0.40 | 0.45– 0.65 | 4.0 – 6.0 | ≤ 0.025 | ≤ 0.025 |
| Property | UTS (MPa) | Yield Strength (MPa) | Elongation (%) | Impact Toughness (J @ 0 °C) |
| Requirement | ≥ 620 | ≥ 550 | ≥ 17 | ≥ 47 |
| Typical Values | 730 – 990 | 570 – 840 | 18 – 25 | 55 – 75 |
| Size (mm) | Size (inch) | Current Range (A) | Polarity | Voltage (V) | Packing (5 kg) | Packing (20 kg) |
| 2.5 | 3/32 | 50 – 90 | AC / DC+ | 20 – 22 | ✔ | ✔ |
| 3.2 | 1/8 | 90 – 130 | AC / DC+ | 22 – 24 | ✔ | ✔ |
| 4.0 | 5/32 | 120 – 180 | AC / DC+ | 24 – 26 | ✔ | ✔ |
| 5.0 | 3/16 | 160 – 240 | AC / DC+ | 26 – 28 | ✔ | ✔ |
Share your welding process, base material and application requirements. Our team will help you select the suitable product.
Tested for consistent performance.
Reliable distribution and timely supply.
Manufacturing capacity you can depend on.
Technical guidance for product selection.
