It is used for welding of nickel alloy equipments. Fabrication of pressure vessels, piping system, valves and tanks. Used for
welding low temperature service for
1G 2F 3G 4G
1) Dry the electrodes at 250 – 300°C for 60 min before use.
2) Keep the arc as short as possible
3) Adopt back step method or strike the arc on a small plate prepared for this particular purpose because ar stricking o the base
metal is in danger of initing cracking.
| 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 – 75 °C ( J ) |
|---|---|---|---|
| 550 Min | 460 Min | 19 % Min | 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 |
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