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Material List
EF01
JIS standard: VF-10
Features
This is an ultra-fine cemented carbide grade with WC particle size of less than 1μ, and with excellent chipping resistance.
Its high hardness and transverse rupture strength provide excellent performance in applications where sharp edges are required.
This grade's wear resistance is higher than EF05 due to lower Co content, however fracture toughness is reduced by one rank.
Equipments using EF01
| Press working machine | Extrusion machine |
Applications of EF01
| Punch | Cutting blade |
| Dies |
Parts manufactured with EF01
| Switch, Connector | Filter |
| PCB |
Properties of EF01
| High wear resistance | Sharp edge |
| Stainless workability light load ≦ 0.1mm | Aluminum workability light load ≦0.1mm |
| Pure iron / Pure copper workability light load ≦0.1mm | High toughness |
Carbide products using EF01
Other characteristics
Physical Properties
| Our grades | Density [×10³ kg/m³] {g/cm³} | Hardness (HRA) | Hardness (HV) | Transverse rupture strength [GPa] |
|---|---|---|---|---|
| EF01 | 14.5 | 94.0 | 2000 | 3.7 |
| EF05 | 14.3 | 93.0 | 1900 | 3.7 |
| EF10 | 14.0 | 92.0 | 1750 | 4.0 |
| EF20 | 13.6 | 90.0 | 1480 | 4.0 |
*The values are representative and are not guaranteed.
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