It is used for joining nickel to steel and surfacing steel with nickel. It is also used for joining and welding of Nickel base
metal like ASTM B 160, B161, B 162, B 163 etc.
Vaccum packing
1G 2F 3G 4G
1) Chip off base metal completely at the repairing part .
2) There is possiblity that cracks spreads or makes holes at both ends of repairing part .
3) Keep the weld metal length less than 50 mm (2 inch ) to disperse welding heat- adopt back steping stone or symmetry method by turns.
4) The preheat temprature vary in accordance with te size ,king and shape of the base metal 150°C is appropriate in general .
| C% | Mn% | Si% | S% | P% | Ni% | Cu% |
|---|---|---|---|---|---|---|
| 0.10 Max | 0.75 Max | 1.25 Max | 0.020 Max | 0.030 Max | 92.0 Min | 0.25 Max |
| U.T.S. (N/mm²) | ELONGATION ( L = 4d ) % |
|---|---|
| 410 Min | 20 % Min |
| SIZE ( mm ) | KG PER PACKET | KG PER CARTON | Current (Amps) | In Amps |
|---|---|---|---|---|
| 2.50 x 350 | 2 | 10 | DC (+) | 60 – 80 |
| 3.15 x 350 | 2 | 10 | 80 – 120 | |
| 4.00 x 350 | 2 | 10 | 120 – 140 | |
| 5.00 x 350 | 2 | 10 | 140 – 180 |