STARTOOL COBALT – Cobalt-Alloyed Electrode for High Temperature & Corrosive Wear
STARTOOL COBALT is a high-alloy, nickel-based electrode fortified with cobalt for exceptional wear and corrosion resistance in high-temperature environments. With 160% recovery and superior work-hardening properties, it delivers a dense, oxidation-resistant deposit that maintains integrity under impact and thermal stress, up to 1000°C.
Ideal for surfacing components exposed to simultaneous mechanical load, heat, and corrosion, STARTOOL COBALT is the go-to solution for critical industrial applications across metallurgy, energy, and high-performance tooling.
Available Packs: 3.15mm, 4.00mm, 5.00mm
Key Features
- Cobalt-enhanced deposit for extreme temperature durability
- Withstands oxidation, corrosion, and mechanical impact up to 1000°C
- Work-hardens to ~400 HB under load or machining
- 160% recovery for economical hard surfacing
- Ideal for surfacing critical parts under simultaneous wear and heat
Industries
- Steel & Metallurgy
- Power Generation
- Petrochemical Plants
- Glass & Ceramic Equipment
- Tool & Die Workshops
Processes
- Manual Metal Arc Welding (MMAW)
- Hardfacing in High-Temperature Zones
- Surfacing of Heat-Stressed Tools & Components
Additional Details
- Buffer thick layers with STARSTEEL PLUS to prevent base metal dilution
- Suitable for use on components exposed to oxidation and reduction reactions
- Maintain short arc and proper heat control during welding
- For best results, follow preheat and post-weld cooling practices as per material
- Refer TDS for more details
Product Details
| Property | Value |
| Base Type | High-alloy nickel-based with cobalt |
| Hardness (Work-Hardened) | ~400 HB |
| Recovery | ~160% |
| Operating Temperature | Up to 1000°C |
| Resistance | Oxidation, reduction corrosion, high-temp deformation |
| Recommended Buffer Layer | STARSTEEL PLUS (for thick build-ups) |
| Machinability | Maintains hardness without deforming during machining |
| Typical Application Areas | Heat-resistant surfacing, mechanical + corrosive stress zones |
