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Material List
KD05
JIS standard: VF-20
Features
This grade's wear resistance is higher than KD10 due to lower Co content, however fracture toughness is reduced by one rank.
Equipments using KD05
| Powder forming machine | Press working machine |
| Cutter machine | Grinder |
| Extrusion machine |
Applications of KD05
| Die, Punch, Core | Bending punch, Bending die |
| Staking punch | Guide |
| Shank for Grindstone | Burnishing Tool |
Parts manufactured with KD05
| Ceramic Condenser, Tantal Condenser | Spring |
| Battery for EV/HV | Whetstone |
Properties of KD05
| Abrasion resistance | Chipping resistance |
| Aluminum workability ≦ 0.5mm | Pure iron / Pure copper workability ≦ 0.5mm |
Carbide products using KD05
Other characteristics
Physical Properties
| Our grades | Hardness (HRA) | Transverse rupture strength [GPa] | Co amount [％] |
|---|---|---|---|
| KD05 | 92.0 | 3.2 | 8 |
| KD10 | 91.0 | 3.4 | 10 |
| KD20 | 90.0 | 3.7 | 13 |
| KD30 | 89.0 | 3.7 | 16 |
| KD40 | 88.0 | 3.7 | 19 |
| KD50 | 84.5 | 3.0 | 28 |
| Reference: G3 | 90.0 | 2.7 | 8 |
| Reference: G2 | 91.0 | 2.5 | 6 |
Relation between wear-resistance and machining property for KD grade
Chipping-resistance characteristics
Comparison result of profile grinding test
Hardness and TRS
Fracture toughness value
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