Description
| Typical weld metal chemical composition (weight %) | ||||||
| Wire + Flux | C | Si | Mn | Cr | Ni | Mo |
| KJTUBS – 520 +KJF – 910 | 0.03 – 0.05 | 0.3 – 0.5 | 1.2 – 1.5 | 0.6 – 0.8 | 2.3 – 2.6 | 0.40 – 0.60 |
| KJTUBS – 520 +KJF – 920 | 0.04 – 0.06 | 0.5 – 0.6 | 1.7 – 1.9 | 0.7 – 0.9 | 2.4 – 2.7 | 0.45 – 0.65 |
| Typical Weld Metal Properties | ||||
| Wire + Flux | U.T.S. | Y.T.S. | EL | Charpy test |
| ( Mpa) | ( Mpa) | (%) | R.T. | |
| KJTUBS – 520 + KJF – 910 | 650 – 710 | 540 – 580 | 20 – 22 | 100 – 115 |
| KJTUBS – 520 + KJF – 920 | 720 – 750 | 600 – 620 | 18 – 20 | 110 – 125 |
| Metallurgical Weld Metal Properties |
| Machinability | Good | |||
| Polarity / Current Type | DCEP | |||
| Microstructure | Ferrite + Perlite | |||
| Impact resistance | Good associated high strength | |||
| Wire + Flux | KJTUBS – 520 + KJF – 910 | KJTUBS – 520 + KJF – 920 | ||
| Weld metal hardness (HRC) | 24 – 27 | 29 – 32 | ||
| Packing |
250Kgs drum or 15 / 25 Kgs spool/coil, depending on wire size and customer’s order
| Welding method | FIFO Technology |
| Wire Dia. (mm) | 1.60,2.0,2.4,2.80,3.20 |
| Description |
Suitable for buffer layer for surfacing
Applicable for reconstruction of mobile terrestrial equipment and other heavy steel structures with high tensile strength
