Suitable for joining of crack resistant steel, Low alloy steel. Welding on equipment of Oil Refeneries, pipeline & high temperature synthetic chemical industries, Electric power plant , Steam pipes of Boilers, Tubes, Super heaters.
1G 2F 3G 4G 5G
1) Redry electrode at 250 – 300 °C for one hours before welding.
2) Keep the arc as short as possible.
| C% | Mn% | Si% | S% | P% | Cr% | Mo% |
|---|---|---|---|---|---|---|
| 0.05-0.12 | 0.90 Max | 0.80 Max | 0.030 Max | 0.030 Max | 1.0 – 1.50 | 0.40 – 0.65 |
| U.T.S.(N/mm²) | Y.S.(N/mm²) | ELONGATION ( L = 4d ) % | Hydrogen (Mercury method) in 100grm weld metal |
|---|---|---|---|
| 550 Min | 460 Min | 19 Min | 5 ml Max |
| SIZE ( mm ) | PIECES PER PACKET | PIECES PER CARTON | Current (Amps) | In Amps |
|---|---|---|---|---|
| 2.50 X 350 | 5 | 20 | AC/DC (+) | 70 – 100 |
| 3.15 X 350 | 5 | 20 | 100-140 | |
| 4.00 X 350 | 5 | 20 | 140-180 | |
| 5.00 X 350 | 5 | 20 | 180-230 |