Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd
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Tungsten Material for Drilling tools for Aerospace Industry(Drill Blanks With Slot And Pointed Cone - 30°)
Our rods have different grade and right to use on different application; Specially we are produce the Nano Grain carbide (Grain＜0.2µm); Our rods are with high hardness and wear/corrosion resistance, all products with stable quality;
l Dimension: diameter from 2-42mm, length 310/330mm;
l Use for Finish milling
l Grind with h6/h5 tolerance
Grade Information
| Grade | Co% | Grain Size of WC | Hardness |
Hardness |
Density | Flexural Strength | Fracture Toughness |
Elastic Mod- ulus | Coefficient of Thermal Expansion |
| HRA | HV30 | g/cm³ | MPa | GPa | MNm-3/2 | 0-6/℃ | |||
| ST15D 9 Sub-Micron 91.2 1520 14.4 3500 13 500 5.3 |