Carbide Materials

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  • 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))

Comparison of Corrosion Resistance image

■Results after 50 hours of immersion in WEDM process(water)

  • WD20 image


  • KD20 image


  • KD20 image