FeNi Glass Sealing Alloys
- SG
- Jiangsu
- 15-30days
- 1200 Kilogram/Kilograms per Month
FeNi Glass Sealing Alloy is the nickel-iron controlled expansion alloy.It mainly used for glass-to-metal sealing of components.
FeNi Glass Sealing Alloys
1.Alloy:4J42、4J45、4J50、4J52、4J54
2.Characteristics: The certain linear expansion coefficient of FeNi Glass Sealing Alloys is within a certain range of temperature .
3.Applications:FeNi Glass Sealing Alloy is used for the glass-to-metal seals in transformer,lamps, electronic tubes and other soft glasses or ceramics in the electro-vacuum industry .
4.Chemical compositions(%)
Alloy | Ni | Fe |
4J42 | 41.5~42.5 | rest |
4J45 | 44.5~45.5 | rest |
4J50 | 49.5~50.5 | rest |
4J52 | 51.5~52.5 | rest |
4J54 | 53.5~54.5 | rest |
Average linear expansion coefficient
Alloy | Heat treatment | Average linear expansion coefficient a/10-6·K-1 | ||
20~300℃ | 20~400℃ | 20~450℃ | ||
4J42 | Heating to(900±20)℃ in hydrogen holding for one hour ,cooling at a rate less than 5℃ per minutes to 200℃,then air cooling. | 4.0~5.0 | - | 6.5~7.5 |
4J45 | 6.5~7.2 | 6.5~7.2 | - | |
4J50 | 9.2~10.0 | 9.2~9.9 | - | |
4J52 | 9.8~11.0 | 9.8~11.0 | - | |
4J54 | 10.2~11.4 | 10.2~11.4 | - | |
5.Packaging & Delivery
Packaging Details:Standard export seaworthy package. Wooden case of customized.
Delivery: EMS, DHL, TNT, UPS, container shipping.
FAQ:
1. Do you provide free samples?
Yes, we could offer the sample for free charge.But clients should bear all the shipping costs. Meanwhile, custom-made sample is available.
2.How do you guarantee the quality?
We will track and monitor whole production process, as well as test to each process.Besides,we are willing to accept customer testing.
3. What's the minimum quantity customer can order?
If we have the size in stock, we can provide any quantity.
If we do not have in stock,generally,the minimum quantity depends on different products.Please contact with us to confirm.
4. What's our payment terms?
We can accept T/T and LC payment terms, it also depending on delivery and total amount.
5.What is the lead time?
Usually sample lead time is 5-7days after payment has been confirmed.
Normal order is 15-30days,it depends on customers' quantity.
6. What's our working time?
We will give you reply through email/phone Online chat tool within 24 hours.
Important Notice
All the information above is only for reference. We can adjust chemical composition, physical and mechanical properties according to customers’ requirements. The specific details need to consult the sales staff.
