Welding and surfacing of Turbines, Armature, Valves, Pumps. Welding for similar composition of casting steel. Welding of martenistic / ferritic stainless steel of 13% Cr, 4% Ni.
1G 2F 3G 4G
Vaccum packing
1) Preheat the job at 150-200oC & PWHT. at 595 – 620oC for one hour soaking
2) keep the current as low as possible
3) Dry the electrodes at 300oC for 60 minute before use
| C% | Mn% | Si% | S% | P% | Cr% | Ni% | Mo% |
|---|---|---|---|---|---|---|---|
| 0.06 Max | 1.00 Max | 0.90 Max | 0.030 Max | 0.040 Max | 11.0 – 12.50 | 4.0 – 5.0 | 0.40 – 0.70 |
| U.T.S.(N/mm²) | ELONGATION ( L = 4d ) % |
|---|---|
| 760 | 15 |
| 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 | 110 – 160 | |
| 5.00 x 350 | 2 | 10 | 150 – 190 |
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