Suitable for Boilers welding, Pressure Vessels Pipe and Tubes, High Temp. Application upto 525° C
L & T ,IBR, N.P.C.I.L.
1G 2F 3G 4G
1) Dry the electrode a 250 – 300 °C for 60 Min- before use .
2) Preheat at 100 – 200 °C & post heat at 620 -680 °C
3) Keep the arc as short as possble.
| C% | Mn% | Si% | S% | P% | Ni% |
|---|---|---|---|---|---|
| 0.12 Max | 1.25 Max | 0.80 Max | 0.030 Max | 0.030 Max | 3.0 – 3.75 |
| U.T.S.(N/mm²) | Y.S.(N/mm²) | ELONGATION ( L = 4d ) % | IMPACT ( CVN ) AT R. Temp.(27 ± 2) |
|---|---|---|---|
| 490 Min | 390 Min | 22 % Min | 50 Joules Min |
| SIZE ( mm ) | KG PER PACKET | KG PER CARTON | Current (Amps) | In Amps |
|---|---|---|---|---|
| 2.50 X 350 | 5 | 20 | AC/DC (+) | 60 – 90 |
| 3.15 X 350 | 5 | 20 | 100-130 | |
| 4.00 X 350 | 5 | 20 | 140-190 | |
| 5.00 X 350 | 5 | 20 | 190-240 |