StarBlaze Prime MONEL
AWS A5.15: E NiCu-B | DIN 8573: ENiCu BG 12 | ISO 1071: E NiCu-B
Balanced Cu-Ni Alloy | Cold Weld Compatible | Casting Repair Electrode
StarBlaze Prime MONEL is a graphite-basic coated electrode featuring a balanced nickel-copper alloy deposit designed for the cold welding of grey and malleable cast iron. With stable arc characteristics, soft slag, and near colour-matching weld appearance, it’s ideal for cosmetic and functional casting repairs where machinability and crack resistance are essential.
Available Packs
- Dimensions: 2.50 mm x 350 mm, 3.15 mm x 450 mm, 4.00 mm x 450 mm
- Pack Sizes: 2.5 Kg Pouch, 5 Kg Box
- Master Box: 20 Kg, 30 Kg, 40 Kg, Customisable packaging available on request
Key Features
- Nickel-copper alloy deposit with excellent casting compatibility
- Colour-matched weld bead for aesthetic and functional repair
- Machinable welds with low dilution and spatter
- Smooth arc characteristics at low heat input
- Suited for surface defect correction in cast components
Industries
- Grey and malleable iron component repair
- Foundries and metal casting workshops
- Valve body, housing, and pump body restoration
- Tooling and mold repair requiring precision finish
- Cosmetic weld repairs on visible cast surfaces
Processes
- Shielded Metal Arc Welding (SMAW / MMA)
- DC+ polarity recommended (~50V open circuit)
- All-position usability: 1GPA, 2FPB, 2GPC, 3GPF
- Ideal for cold repair jobs and cosmetic welding
- Low amperage welding with smooth fusion and peening compatibility
Additional Details
- Clean surface of grease, cast skin, and contaminants before welding
- Maintain low heat input to avoid cracking or distortion
- Bead width ≤ 2× electrode diameter; bead length ≤ 10× diameter
- Peen deposited weld metal immediately after each pass for stress relief
Product Details
Typical Weld Metal Chemical Composition (%)
| C | Si | Mn | Fe | Cu | Ni |
| 0.50 | 0.70 | 1.00 | 3.0 | 30.0 | Rem |
Typical Mechanical Properties (All Weld Metal)
| Rm (MPa) | Hardness |
| ~ 450 | Approx. 160HB |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 2.50 | 50-80 |
| 3.15 | 70-100 |
| 4.00 | 100-140 |
