Welding of Penstocks, Earth moving equipments, Heavy duty structure made from high tensile steel. Petrochemicals Tanks & Vessels.
E.I.L.
1G 2F 3G 4G
1) Dry the electrodes t 250 – 300oC for 60 minutes befor use
2) Preheat at 150 – 200oC
3) Keep the arc as short as possible.
| C% | Mn% | Si% | S% | P% | Cr% | Ni% | Mo% |
|---|---|---|---|---|---|---|---|
| 0.10 Max | 1.30 -1.80 | 0.60 Max | 0.030 Max | 0.030 Max | 0.40 Max | 1.25 – 250 | 0.25 – 0.50 |
| U.T.S.(N/mm²) | Y.S.(N/mm²) | ELONGATION ( L = 4d ) % | IMPACT ( CVN ) AT – 50º C ( J ) |
|---|---|---|---|
| 760 Min | 680 Min | 20 % 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 | 180-230 | |
| 6.30 x 450 | 230 – 280 |