Thank You for Your Attention on Beiye!
BYP29 (4J43) has a certain linear expansion coefficient in a range of temperature. Similar alloy's names in different trademark systems:
Beiye | China Standard | America | Japan |
BYP29 | 4J43 | ASTM F29 Dumet | Dumas No.1 |
Sealing alloys for glasses
Outgoing line of bulb and electronic valve
| Ni | 41.0~43.0 | Fe | bal. |
Mn | 0.75~1.25 |
| 25℃-400℃ | 6.3~7.2 |
