JACKSUN ULTRA 7018 W is a low-hydrogen, rutile-coated electrode designed specifically for welding weathering (COR-TEN) steels.
| C | Mn | Si | Cr | Ni | Cu | S | P |
| ≤ 0.12 | 0.60 – 1.60 | 0.20 – 0.75 | 0.30 – 0.70 | ≤ 0.30 | 0.20 – 0.50 | ≤ 0.03 | ≤ 0.03 |
| Property | UTS (MPa) | Yield Strength (MPa) | Elongation (%) | Impact Toughness (J @ -20 °C) |
| Requirement | ≥ 490 | ≥ 370 | ≥ 22 | ≥ 27 |
| Typical Values | 500 – 540 | 380 – 420 | 24 – 28 | 30 – 45 |
| Size (mm) | Size (inch) | Current Range (A) | Polarity | Voltage (V) | Packing (5 kg) | Packing (20 kg) |
| 2.5 | 3/32 | 60 – 100 | AC / DC+ | 20 – 22 | ✔ | ✔ |
| 3.2 | 1/8 | 90 – 140 | AC / DC+ | 22 – 24 | ✔ | ✔ |
| 4.0 | 5/32 | 120 – 180 | AC / DC+ | 24 – 26 | ✔ | ✔ |
| 5.0 | 3/16 | 150 – 220 | AC / DC+ | 26 – 28 | ✔ | ✔ |
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