$1842.69 USD
25Cr-35Ni-Nb electrode for HP cast steels in petrochemical furnaces
Thermanit 25/35 R by voestalpine Böhler Welding is a basic, high-alloy austenitic covered electrode resistant to temperatures of up to 1050 °C. It is intended for joining and surfacing cast steels of similar heat resistance, such as HP 25Cr-35Ni grade used in petrochemical furnaces and tubes. In 3.25 mm it is the most versatile size for general work.
Key advantages
- High temperature: resistant up to 1050 °C.
- For HP castings: 1.4852 - GX40NiCrNb35-25, TÜV certified.
- No preheating or post-weld heat treatment.
- Trusted brand: voestalpine Böhler Welding.
Applications
- Furnace tubes and components in the petrochemical industry.
- Joining and surfacing HP 25Cr-35Ni cast steels.
- High-temperature service, up to 1050 °C.
Technical specifications
| Classification | EN ISO 3581-A: E Z 25 35 Nb B 2 2 · Mat. No. 1.4853 |
| Base metal | 1.4852 - GX40NiCrNb35-25 (HP 25Cr-35Ni) |
| Diameter | 3.25 mm |
| Packaging | 4.20 kg pack |
| Recommended current | 80 - 105 A |
| Polarity | DC (+) |
| Yield strength | 400 MPa |
| Tensile strength | 600 MPa |
| Elongation | 8% |
📄 Download technical data sheet (PDF)
Technician's tip: keep the electrodes in their sealed pack in a dry place; if they have picked up moisture, re-dry them per the manufacturer's instructions before welding. Use a short arc to protect weld quality.
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
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Not sure which diameter or amperage suits your job? Ask us before you buy.
