It is used for welding of nickel alloy piping, System valves and tanks. Used for welding low temperature service for Locomotive main frames, Refeneries, Pipelines.
1G 2F 3G 4G
1) Dry the electrodes at 250 -300°C
2) Preheat at 80 – 100°C
3) Keep the arc as short as possible .
| C% | Mn% | Si% | S% | P% | Ni% |
|---|---|---|---|---|---|
| 0.12 Max | 1.25 Max | 0.80 Max | 0.030 Max | 0.030 Max | 2.0 – 3.75 |
| U.T.S.(N/mm²) | Y.S.(N/mm²) | ELONGATION ( L = 4d ) % | RADIOGRPHY TEST | Hydrogen(Mercury method) in 100grm weld metal | IMPACT ( CVN )AT – 60 °C ( J ) |
|---|---|---|---|---|---|
| 550 Min | 460 Min | 19 % Min | Satisfactory | 4 ml Max | 27 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 | 100-140 | |
| 4.00 X 350 | 5 | 20 | 140-180 | |
| 5.00 X 350 | 5 | 20 | 180-250 |