ESAB OK 68.81 VP Stainless Steel Electrode
ESAB OK 68.81 VP is a premium, high-alloy stainless steel electrode offering unmatched versatility and performance. Classified as E312-17 under AWS standards, it produces a duplex ferritic-austenitic weld metal with a ferrite content between FN 30-50. Its unique formulation ensures resistance to stress corrosion cracking and dilution from the parent metal, making it highly effective in demanding industrial applications. With VacPac™ packaging, the electrodes remain moisture-free, delivering consistent, high-quality welds.
This electrode is perfect for joining dissimilar steels, high-wear components, and surfacing applications, providing excellent scaling resistance up to 1150°C. It is especially useful in industries like hot work tools, rail repair, and forging dies, where reliability and performance are paramount.
Key Features of ESAB OK 68.81 VP
- High-Strength Duplex Weld Metal: Delivers a duplex structure with FN 30-50, thus provides superior toughness and resistance to stress corrosion.
- VacPac™ Technology: Keeps electrodes moisture-free, eliminating the need for re-baking and ensuring optimal weld quality.
- Wide Application Range: Ideal for dissimilar steel joints, surfacing of rails, forging dies, and high-temperature components.
- High Scaling Resistance: Maintains weld integrity and performance up to 1150°C, making it suitable for extreme temperature environments.
- Excellent Toughness and Strength: Achieves tensile strength up to 790 MPa and yield strength of 610 MPa, with 25% elongation in addition.
Applications
- Dissimilar Steel Joints: Ideal for joining stainless steel to carbon or alloy steels, thus ensuring strong and durable welds.
- Hot Work Tools and Dies: Excellent for welding and surfacing dies, forging tools, and molds used in high-temperature environments.
- Rail and Track Repair: Used for surfacing rails and other high-wear components, such as those that demand high toughness and corrosion resistance.
- Forging and Plastic Molding Dies: Provides excellent resistance to wear and deformation, extending the life of high-temperature tools.
Specifications
| Feature | Details |
|---|---|
| AWS Classification | E312-17 |
| Alloy Type | Duplex Stainless Steel |
| Ferrite Content | FN 30-50 |
| Yield Strength | 610 MPa |
| Tensile Strength | 790 MPa |
| Elongation | 25% |
| Impact Toughness (at 20°C) | 30 J |
| Scaling Resistance | Up to 1150°C |
| Coating Type | Acid Rutile |
For top performance in demanding applications, choose ESAB OK 68.81 VP. Its superior weld strength, resistance to stress corrosion, and high scaling resistance make it an essential choice for industrial welding, including dissimilar steels, hot work tools, and forging dies.
Reference: manufacturer’s page.
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