CAST IRON
NEXA Nickel
Machinable Pure Nickel Electrode
AWS A/SFA 5.15 ENi-Cl
Applications
- Repair of broken heavy castings, machine bases, motor blocks, sprockets, valve bodies, impellers, pump casting and gears
- Joining and build up of grey cast iron and malleable iron
- Joining cast iron to steel
- Correcting machining errors on castings
- Suitable for thin walled grey cast iron
- Sliding tables for machine tools
- Building up on cast iron parts exposed to corrosive liquids
Characteristics
- Graphite based coating
- High Ni alloyed electrode
- Minimum base metal dilution and penetration
- Electrode welds cast iron the cold way
- Soft, ductile and machinable weld with adequate strength
- No need of preheating even for large complicated castings
- Easy and intimated fusion with all grades of cast iron
Chemical Composition
| C | Mn | Si | Fe | Ni | Cu |
|---|---|---|---|---|---|
| <2 | <2.5 | <4 | <8 | >93 | <2.5 |
Mechanical Properties
| UTS (MPa) | YS (MPa) | El% | Hardness (BHN) |
|---|---|---|---|
| 276-448 | 262-414 | 3-6 | 135-218 |
Welding Currents (AC (70 OCV)/ DCEP)
| 3.15 x 350 mm | 4.0 x 350 mm |
|---|---|
| 70-100 | 110-140 |
Product Specifications
Current Type
AC (70 OCV)/ DCEP
Welding Positions
Packaging
- Standard carton packing of 10 kg box containing 1 cartons of 10 kg each.
Conditions (Pre-Drying)
- 150°C for min. 1hr