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Ceramic Silicon Nitride Outer Ring With V Groove Pulley
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| TECHNICAL SPECS | ||
| Material | Silicon Nitride (Si3N4) | |
| Color | Black | |
| Size | 5x30x15mm | |
| Accuracy | 0.008mm | |
| Maximum Temperature | 800℃(1472F） | |
| Circular Runout | 12um | |
| Perpendicularity | 12um | |
| Circularity | 10um | |
| Parallelism | 12um | |
| Applications | Wire and cable production industry, wire drawing machine. Strong wear resistance, high hardness, long life. Pulled copper wire is smoother | |
| RoHS | Compliant | |
| MATERIAL PROPERTIES | ||
| Ingredients | Aluninum (Al) | 2.0~3.5% |
| Yttrium (Y) | 4.0~5.0% | |
| Titanium (Ti) | 1.0~1.5% | |
| Oxygan (O) | 4.5~6.0% | |
| Carbon(C) | 0.3~0.8% | |
| Other impurities less than 0.1% | ||
| The rest is silicon nitride | ||
| Density(g/cm3) | ≥3.20 | |
| Hardness(Hv) | 1400~1600 | |
| Bending strength(Mpa) | >800 | |
| Compressive strength(Mpa) | >4000 | |
| Elastic Modulus(Gpa) | 300~315 | |
| Fracture toughness(Mpa.m1/2) | 6~8 | |
| Cofficient of thermal expansion(10-6/℃) | 2.2~3.0 | |
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