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 150-200°C & PWHT. at 595 – 620oC for one hour soaking
2) keep the current as low as possible
3) Remove dirts such as oil and dust from the groove.
4) Dry the electrodes at 350oC 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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