WD20
- Special Grade
- For WEDM (water cutting)
Improving corrosion resistance for WEDM (water cutting).
This material has specific improved performance compared to ordinary materials, and it has the ability to solve many problems today.
With its long lifespan, you can lower your material costs. Give this material a try.
| Application | Cemented carbide as a mold material for dielectric water immersed WEDM process requiring long hours of operation. |
|---|---|
| Characteristic | Improved corrosion resistance over ordinary KD20 material immersed WEDM process for a long period of time. |
Physical Properties
| Our grades | Hardness (HRA) | Transverse rupture strength (GPa) | Fracture toughness value(MP・m1/2) |
|---|---|---|---|
| WD20 | 90.5 | 3.7 | 15.9 |
| Reference：KD20 | 90.0 | 3.7 | 15.5 |
| Reference：G4 | 89.0 | 2.9 | 22.4 |
Comparison of Corrosion Resistance
(Immersion of 8x10x20mm test sample in wire cutting solution (water))
■Results after 50 hours of immersion in WEDM process(water)
WD20
KD20
G4