Thank You for Your Attention on Beiye!
4J6 has the similar linear expansion coefficent with glass in a range of temperature. Similar alloy's names in different trademark systems:
Beiye | China Standard | America | Germany | France | Japan |
4J6 | Class6 Sylvania 4 Sealmet 4 Carpanter 426 ASTM F31 | Vacovit Nicr 426 | ASV NF A54-301 Fe-Ni 426Cr | NRS1 SNC NCK 426 EMAS-1002 |
Sealing alloys for soft glass or ceramics
Electron-beam tube
Receiving tube
Ni | 41.5~42.5 | Fe | bal. |
Cr | 5.5~6.3 |
25℃-300℃ | 7.6~8.3 |
25℃-400℃ | 9.5~10.2 (α, 10-6℃-1) |
Tensile Strength | Soft | Hard |
<590 MPa (85.6 ksi) | >720 Mpa (104.4 ksi) | |
Gain Size | Deep-drawing State: ≥Level 7 |
Density | 8.15 g/cm3 (0.294 lb/in3) |
Resistivity | 92 µΩ•cm |
Thermal conduction | 13 W/K |
Elastic modulus | 150 Gpa |