Date Published:May. 10. 2020
Screws that retain high strength even in high-temperature environments are required 【Productivity increase】
Screws with excellent heat resistance are in stock
Screws made from various heat-resistant materials are available. Select according to the operating environment.
| Material | Tensile Strength（N/mm2） | |||
|---|---|---|---|---|
| 200℃ | 500℃ | 800℃ | 1000℃ | |
| SUS316L |
560 |
500 | 250 | - |
| SUS310S |
580 | 500 | 200 | - |
| Inconel 600 |
560 | 530 | 200 | 70 |
| Molybdenum |
590 | 450 | 290 | 210 |
| Carbon Steel |
450 | 230 | 40 | - |
| SUS304 |
500 | 420 | 160 | - |
| Material | Continuous operating temperature（℃） |
|---|---|
| Ceramic | 1500 |
| VESPEL🄬 | 288・350 |
| PTFE（Polytetrafluoroethylene） | 260 |
Super Invar has a small coefficient of linear expansion and is effective for preventing distortion or damage due to thermal expansion.
| Super Invar |
SUS304 | |
|---|---|---|
| Specific Gravity | 8.15 |
7.93 |
| Longitudinal Elastic Modulus（GPa） |
132 |
193 |
| Electric Resistance（μΩ・m） |
0.77 |
0.7 |
| Thermal Conductivity（W/（m・K） |
10.47 |
17 |
| Linear Expansion Coefficient（K-1） |
0.69×10-6 |
17.3×10-6 |
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