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AWS A5.15
ISO 1071 : E NiFe-CI / E NiFe
DIN 8573 : E NiFe-1 BG 13
Use
Basic electrode with graphite forming Fe-Ni weld metal (56% Ni, 40% Fe).
Used for high-strength cast iron welding and repair.
Cold welding possible.
Uniform deposit, high crack resistance.
Suitable for cast iron–steel joints.
Used for engine blocks, gearboxes, pumps, railway, automotive and industry
| Standard | Materials |
| ASTM | A48 25B–60B |
| A536 60–80 | |
| DIN | GG-15–GG-40 |
| GGG-40–GGG-60 | |
| GTS-35–GTS-65 | |
| NFA | FLG150–400 |
| FGS400–600 | |
| MN350–650 |
| Rm | Hardness |
| >400 MPa | ~200 HB |
| C | Si | Mn | Ni | Fe |
| 1.0 | <2.0 | <1.0 | 56 | Balance |
| Diameter | 2.5 | 3.2 | 4.0 | 5.0 |
| Packs/carton | 4 | 4 | 4 | 4 |
| Pack weight | 5 | 5 | 5 | 5 |
| 2.5 | 3.2 | 4.0 | 5.0 |
| 70 | 100 | 145 | 170 |
Keep interpass temp <70°C.
Short welds (~50 mm), hammer peen.
Clean surfaces only.
