Active Member
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[China]
Address: Boyun Innovation Industrial Zone, 346# Leifeng Ave,Yuelu Distric,Changsha,Hunan,China
Contact name:Lyu
Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd |
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Tungsten Carbide Strips for Special tools Grade ST25F
| Grade | Co% | WC Grain size | Hardness | Density | Flexural Strength | Fracture Toughness | Elastic Modulus | Coefficient of Thermal Expansion | ||
| HRA | HV30 | g/cm3 | MPa | MNm-3/2 | GPa | 10-6/℃ | ||||
| 1 | ST01F | 4 | Sub-Micron | 94.0 | 2010 | 15.1 | 2800 | 9 | 550 | 4.6 |
| 2 | ST03F | 5 | Sub-Micron | 93.4 | 1910 | 14.9 | 3000 | 10 | 540 | 4.8 |
| 3 | ST10F | 6 | Sub-Micron | 92.9 | 1830 | 14.8 | 3500 | 10 | 530 | 4.9 |
| 4 | ST10UF | 6 | Ultra-fine | 93.8 | 1980 | 14.7 | 3000 | 9 | 530 | 4.9 |
| 5 | ST05F | 6 | Sub-Micron | 92.9 | 1830 | 14.8 | 3400 | 10 | 530 | 4.9 |
| 6 | ST03B | 6 | Sub-Micron | 91.6 | 1640 | 14.9 | 2800 | 11 | 530 | 4.9 |
| 7 | ST05B | 6.5 | fine | 91.4 | 1620 | 14.8 | 3100 | 12 | 525 | 4.9 |
| 8 | ST10C | 7 | fine | 90.7 | 1510 | 14.7 | 3500 | 12 | 520 | 5.0 |
| 9 | ST11F | 8 | Sub-Micron | 92.3 | 1750 | 14.6 | 3800 | 10 | 510 | 5.1 |
| 10 | ST11UF | 8 | Ultra-fine | 93.5 | 1920 | 14.5 | 3200 | 9 | 510 | 5.1 |
| 11 | ST10B | 8 | Sub-Micron | 90.5 | 1500 | 14.6 | 3200 | 11 | 510 | 5.1 |
| 12 | ST12F | 9 | Ultra-fine | 93.5 | 1920 | 14.4 | 4500 | 10 | 500 | 5.3 |
| 13 | ST12NF | 9 | Nano | 94.2 | 2050 | 14.3 | 4800 | 9 | 500 | 5.3 |
| 14 | ST15F | 10 | Sub-Micron | 92.0 | 1700 | 14.3 | 3600 | 11 | 490 | 5.4 |
| 15 | ST20F | 10 | Sub-Micron | 91.7 | 1660 | 14.4 | 4300 | 11 | 490 | 5.4 |
| 16 | ST37F | 15 | Sub-Micron | 89.6 | 1390 | 13.8 | 4100 | 16 | 430 | 6.3 |
| 17 | ST37NF | 15 | Nano | 92.0 | 1700 | 13.8 | 4800 | 10 | 430 | 6.3 |
| 18 | ST37UF | 15 | Ultra-fine | 91.5 | 1630 | 13.8 | 4200 | 11 | 430 | 6.3 |
