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AWS A5.15
ISO 1071 : E NiFe-CI / E NiFe
DIN 8573 : E NiFe - 1 BG 21
Graphite basic coating and “Bimetal” core provide high current conductivity and high melting rate with both AC and DC without overheating (compared to standard Fe-Ni electrodes).
Suitable for repair work and structural welding.
Applicable for all cast iron types and dissimilar metal welding (steel + cast iron).
| Standard | Materials |
| ASTM | A48 25B–60B |
| A536 60–100 | |
| A439 D-2 | |
| DIN | GG-15–GG-40 |
| GGG-40–GGG-70 | |
| GTS-35–GTS-65 | |
| GGG-NiCr20-2 | |
| NFA | FLG150–400 |
| FGS400–700 | |
| MN350–650 | |
| S-NC20-2 |
| Rm | Rp0.2 | A5 | Hardness |
| 500–600 | >300 | >15 | ~220 HB |
| C | Si | Mn | Ni | Fe |
| 1.3 | 0.8 | 0.3 | 55 | Balance |
| Size | 2.5 | 3.2 | 4.0 |
| Electrodes/pack | 238 | 147 | 98 |
| Packs/carton | 4 | 4 | 4 |
| Weight/pack | 5 | 5 | 5 |
| Weight/carton | 20 | 20 | 20 |
| Electrode | Current |
| 2.5 | 80 |
| 3.2 | 120 |
| 4.0 | 145 |
DC preferred.
Positive polarity for higher deposition rate.
Short welds and hammer peening recommended.
