Self-shielded hardfacing wire · 280 HB
Soudokay SK BU-O by voestalpine Böhler Welding is a self-shielded (open arc) cored wire for rebuilding carbon steel parts and as a buffer layer before hardfacing. It leaves a 280 HB bainitic deposit that is easy to machine. This item is 2.40 mm in diameter.
Key advantages
- Rebuilding of carbon steel parts.
- Machinable: 280 HB.
- Buffer layer before hardfacing.
- No gas: ideal on site.
Applications
- Crawler tractor links and crane wheels.
- Shafts and mine car wheels.
- Buffer layers on continuous casting rollers.
Technical specifications
| Classification | DIN 8555: MF 1-GF-300-P |
| Diameter | 2.40 mm |
| Packaging | Spool |
| Recommended current | 250 - 300 A |
| Deposit hardness | 280 HB |
| Process | Open arc, self-shielded (no gas) |
| Voltage | 26 - 30 V |
| Stick-out | 35 - 40 mm |
| Machining | Good; oxy-fuel cutting possible |
📄 Download technical data sheet (PDF)
Technician's tip: work with a 35 to 40 mm stick-out and respect the recommended voltage; being self-shielded it needs no gas, making it ideal for field work or windy conditions. Clean the surface well before hardfacing.
Why buy from Soldaduras?
With over 50 years of experience, we are specialized distributors of welding, abrasive and polishing supplies. Every purchase comes with real technical support.
✔ Nationwide shipping
✔ Local delivery in the AMBA area
✔ Pickup at 338 Gral. Enrique Mosconi Ave., Lomas del Mirador
✔ Open Monday to Friday, 8 AM to 4 PM
Not sure about the right diameter or parameters for your job? Ask us before you buy.
