97.5% Nickel Core | Low Amperage Welding | Grey Cast Iron Specialist
StarBlaze Prime CI 99 is a graphite-coated, pure nickel core wire electrode engineered for high-integrity welding of grey cast iron, malleable iron, and cast iron components under fatigue. Delivering soft machinability and a stable, low-spatter arc even at low current, this electrode ensures minimal dilution and excellent results on aged, cracked, or misaligned castings. Ideal for rectification work and critical repairs across casting industries.
Available Packs
Typical Weld Metal Chemical Composition (%)
| C | Si | Mn | Ni | Fe |
| 1.00 | 0.50 | 0.35 | 97.50 | Rem. |
Typical Mechanical Properties (All Weld Metal)
| Tensile Strength
Rm (N/mm2) |
Hardness HB |
| 450 | 165 approx. |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 50-70 |
| 3.15 | 70-90 |
| 4.00 | 100-130 |
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