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| Strip Grades and Specifications | |||||||||
| Grade | Co | Grain Size of WC | Hardness | Density | Flexural Strength | Fracture Toughness | Elastic Modulus | Coefficient of Thermal Expansion | |
| Co% | HRA | HV30 | g/cm³ | MPa | MNm-3/2 | GPa | 10-6/°c | ||
| ST10F | 4 | Sub-Micron | 94.0 | 2060 | 15.1 | 2800 | 9 | 550 | 4.6 |
| ST03F | 5 | Sub-Micron | 93.4 | 1930 | 14.9 | 3000 | 10 | 540 | 4.8 |
| ST10F | 6 | Sub-Micron | 92.9 | 1840 | 14.8 | 3500 | 10 | 530 | 4.9 |
| ST10UF | 6 | Ultra-fine | 93.8 | 2040 | 14.7 | 2900 | 9 | 530 | 4.9 |
| ST05F | 6 | Sub-Micron | 92.9 | 1840 | 14.8 | 3400 | 10 | 530 | 4.9 |
| ST03B | 6 | Sub-Micron | 91.6 | 1600 | 14.9 | 2800 | 11 | 530 | 4.9 |
| ST05B | 6.5 | Fine | 91.4 | 1550 | 14.8 | 3000 | 12 | 525 | 4.9 |
| ST10C | 7 | Fine | 90.7 | 1480 | 14.7 | 3200 | 12 | 520 | 5.0 |
| ST11F | 8 | Sub-Micron | 92.3 | 1720 | 14.6 | 3800 | 10 | 510 | 5.1 |
| ST11UF | 8 | Ultra-fine | 93.5 | 1960 | 14.5 | 3000 | 9 | 510 | 5.1 |
| ST10B | 8 | Sub-Micron | 90.5 | 1460 | 14.6 | 3200 | 11 | 510 | 5.1 |
| ST12F | 9 | Ultra-fine | 93.5 | 1960 | 14.4 | 4500 | 10 | 500 | 5.3 |
| ST12NF | 9 | Nano | 94.2 | 2100 | 14.3 | 4800 | 9 | 500 | 5.3 |
| ST15F | 10 | Sub-Micron | 92.0 | 1670 | 14.3 | 3600 | 11 | 490 | 5.4 |
| ST20F | 10 | Sub-Micron | 91.7 | 1620 | 14.4 | 4300 | 11 | 490 | 5.4 |
| ST37F | 15 | Sub-Micron | 89.6 | 1350 | 13.8 | 4100 | 16 | 430 | 6.3 |
| ST37NF | 15 | Nano | 92.0 | 1670 | 13.8 | 4800 | 10 | 430 | 6.3 |
| ST37UF | 15 | Ultra-fine | 91.5 | 1570 | 13.8 | 4000 | 11 | 430 | 6.3 |
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Address : 5# Jinqiao Ave,Changsha,Hunan,China
Tel：+86-193 1160 8460
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