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Tungsten Carbide Rollers Properties
| Grade | Physical Properties | Mechanical Properties | |||||
| Density g/cm3 | Thermal Conductivity W/(m..k) | Average Thermal Expansion Coefficient 10-6/k | Hardness≥ HRA | Bending Strength≥ kN/mm2 | Compression Strength≥kN/mm2 | Young's Modulus kN/mm2 | |
| ZY27 | 12.70 | 60 | 5.8~7.0 | 78.0 | 2200 | 2.8 | 420 |
| ZY28 | 13.10 | 60 | 5.5~6.5 | 79.0 | 2370 | 3.0 | 430 |
| ZY29 | 13.30 | 70 | 5.5~6.5 | 80.0 | 2300 | 3.0 | 440 |
| ZY30 | 13.50 | 70 | 5.8~7.0 | 81.0 | 2300 | 3.2 | 450 |
| ZY31 | 13.60 | 90 | 5.0~5.8 | 82.0 | 2300 | 3.2 | 480 |
| ZY33 | 13.95 | 100 | 5.0~5.8 | 83.0 | 2350 | 3.2 | 530 |
| ZY34 | 14.10 | 100 | 4.8~5.6 | 83.0 | 2350 | 3.4 | 530 |
| ZY35 | 14.30 | 100 | 4.8~5.6 | 85.0 | 2400 | 3.5 | 550 |
| ZY27A | 12.70 | 60 | 5.5~6.5 | 80.0 | 2520 | 3.0 | 430 |
| ZY28A | 13.15 | 60 | 5.5~6.5 | 80.0 | 2520 | 3.0 | 460 |
| ZY29A | 13.35 | 70 | 5.5~6.5 | 81.0 | 2500 | 3.1 | 470 |
| ZY30A | 13.55 | 70 | 5.2~6.0 | 82.0 | 2500 | 3.1 | 480 |
| ZY31A | 13.65 | 90 | 5.0~5.8 | 83.0 | 2500 | 3.2 | 500 |
| ZY33A | 14.00 | 100 | 5.0~5.8 | 83.5 | 2450 | 3.3 | 540 |
| ZY34A | 14.15 | 100 | 4.8~5.6 | 84.0 | 2400 | 3.5 | 550 |
| ZY35A | 14.35 | 100 | 4.8~5.6 | 86.0 | 2450 | 3.6 | 560 |
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