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NI-1
Electrode for heat resistant joint
Alloy base
Ni, Cr, Mn, Fe, Cb, Mo
Principal application
Suitable for welding of nickel, intonel, monel, nickel-iron. Chromium alloys, HK alloys, stainless & heat resisting steels in all positions for repair and maintenance of parts of pure nickel, heat exchanges, furnace components etc.
Properties
Stable arc. Resistant to scaling at high temperature. Corrosion resistant at elevated temperature.
Procedure
Clean the Surface thoroughly so as to be free from rust, oil grease, paint etc. Use reverse polarity only. Maintain very short arc. Use stringer bead or slight weaving technique.
UTS
55-60Kg/mm2
Elongation
30-35%
Recommended Amperage
| Size (mm) | 2.5 | 3.15 | 4.0 |
| Current(AMPS) | 40-60 | 60-80 | 100-140 |