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Classification :
- IS : 1395 - 82 : E 63B M1 29 Fe
- AWS / A 5.5 : E 9018 M
Description :
A hydrogen controlled iron provider type electrode for welding high tensile and low alloy structural steels. Weld metal exhibits high impact values at sub-zero temperatures. The metal recovery is over 110%.
Applications :
- Pressure Vessels
- Penstocks
- Chemical plants
- Automobile parts
- Earth moving equipments
Chemical Composition of Weld Al (wt.%) :
| C | Mn | Si | Ni | Cr | Mo |
| 0.10max | 0.8 - 1.25 | 0.6 max | 1.4-1.8 | 0.15 Max | 0.35 max |
Mechanical Properties Of Weld Metal :
| YS | 51 - 57 Kgf/mm2 |
| UTS | 57 - 66 Kgf/mm2 |
| Elongation | 24% min |
| CVN Impact Values | 30 Joules (min) at -51oC |
Current Conditions : AC (50V) / DC ( + )
| Size (mm) | 2.5 x 350 | 3.15 x 450 | 4 x 450 | 5 x 450 |
| Amps | 70 - 100 | 100 - 140 | 140 - 180 | 190 - 240 |
WELDING POSITIONS : F, H, V-up, OH
Recommendations : Redry the electrodes at 350oC for one hour or at 250oC for two hours. Keep the redried electrodes in a holding oven at 120oC to 150oC. Use the electrode directly from the holding oven. The pre-heat and Inter-pass temperature should be 120oC approx.
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