- 硬度: 58.0
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell R | 58 | 58 | ASTM D785 |
| Hardness, Shore A | 98 | 98 | ASTM D2240 |
| Poissons Ratio | 0.46 | 0.46 | approaches a limit of 0.50 at higher temperature |
| Coefficient of Friction, Dynamic | 0.10 | 0.10 | V = 10 fpm; P= 800 - 1000 psi |
| 0.13 | 0.13 | V = 100 fpm; P= 80 - 100 psi | |
| Coefficient of Friction, Static | 0.050 - 0.080 | 0.050 - 0.080 | 500 psi |
| K (wear) Factor | 5040 x 10-8 mm3/N-M | 2500 x 10-10 in3-min/ft-lb-hr | unlubricated vs. soft carbon steel |
| Limiting Pressure Velocity | 0.0420 MPa-m/sec @Temperature 21.0 - 27.0 °C | 1200 psi-ft/min @Temperature 69.8 - 80.6 °F | at 10 fpm |
| 0.0631 MPa-m/sec @Temperature 21.0 - 27.0 °C | 1800 psi-ft/min @Temperature 69.8 - 80.6 °F | at 100 fpm | |
| 0.0876 MPa-m/sec @Temperature 21.0 - 27.0 °C | 2500 psi-ft/min @Temperature 69.8 - 80.6 °F | at 1000 fpm | |
| Taber Abrasion, mg/1000 Cycles | 8.9 | 8.9 | 1000 cycles; CS-17F wheel |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 112 μm/m-°C @Temperature -100 - 25.0 °C | 62.2 μin/in-°F @Temperature -148 - 77.0 °F | |
| 124 μm/m-°C @Temperature 25.0 - 100 °C | 68.9 μin/in-°F @Temperature 77.0 - 212 °F | ||
| 220 μm/m-°C @Temperature 25.0 - 300 °C | 122 μin/in-°F @Temperature 77.0 - 572 °F | ||
| 790 μm/m-°C @Temperature 20.0 - 25.0 °C | 439 μin/in-°F @Temperature 68.0 - 77.0 °F | Large volume change in the 18-25°C transition range | |
| Specific Heat Capacity | 1.20 J/g-°C @Temperature 40.0 °C | 0.287 BTU/lb-°F @Temperature 104 °F | |
| 1.30 J/g-°C @Temperature 150 °C | 0.311 BTU/lb-°F @Temperature 302 °F | ||
| 1.40 J/g-°C @Temperature 260 °C | 0.335 BTU/lb-°F @Temperature 500 °F | ||
| 1.50 J/g-°C @Temperature 20.0 °C | 0.359 BTU/lb-°F @Temperature 68.0 °F | ||
| Thermal Conductivity | 0.300 W/m-K @Temperature 20.0 - 260 °C | 2.08 BTU-in/hr-ft2-°F @Temperature 68.0 - 500 °F | |
| Maximum Service Temperature, Air | 260 °C | 500 °F | retains useful mechanical properties |
| Minimum Service Temperature, Air | -268 °C | -450 °F | retains useful mechanical properties |
| -79.0 °C | -110 °F | remains highly flexible | |