Description
Submerged Arc Welding Flux
| Weld Metal Chemical Analysis (%) | |||||
| Flux + Wire | C | Si | Mn | Mo | |
| KJF – 630 + KJS – 120 ( S2 ) | 0.04 – 0.06 | 0.3 – 0.35 | 1.4 – 1.55 | — | |
| KJF – 630 + KJS – 124 ( S2Mo ) | 0.04 – 0.06 | 0. 3 – 0.35 | 1.5 – 1.7 | 0.40 – 0.50 | |
| Weld Metal Mechanical Properties | ||||||
| Flux + Wire | U.T.S. | Y.T.S. | EL | Charpy test | ||
| ( Mpa) | ( Mpa) | (%) | RT | -30°C | -40°C | |
| KJF – 630 + KJS – 120 ( S2 ) | 490 – 510 | 400 – 420 | 25 – 27 | 130-140 | 80-90 | 50-40 |
| KJF – 630 + KJS – 124 ( S2Mo ) | 550 – 590 | 470 – 490 | 25 – 27 | 85-95 | 35-40 | 30 – 33 |
| Technical Specifications |
| Basicity Index | 1.5 According to Boniszewski formula |
| Density | 1.25 Kg/dm3 |
| Re-drying | 350 ± 25o C /2hr |
| Current | AC / DCEP |
| Packing | 25 Kg bag (3 layers) / other sizes as per buyer’s order |
| Advantages |
Basic Aluminate Agglomerated Flux
Suitable for spiral and longitudinal welding of thick oil and gas pipes up to X80 grade
Excellent slag detachability even in high temperature
Homogenous weld bead without undercut.
