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4J50 Controlled Expansion Iron Nickel Alloy , Forging Ceramics Glass Sealing Alloy
| Place of Origin | China |
|---|---|
| Brand Name | XUNSHI |
| Certification | ISO9001 |
| Model Number | 4J50 |
| Minimum Order Quantity | 50kg |
| Price | Negotiable |
| Packaging Details | Plywood case |
| Delivery Time | 30-35 days |
| Payment Terms | T/T |
| Supply Ability | 500kg per week |
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xProduct Details
| Equal Grades | FeNi50, Nilo51, N50 | Spec | YB/T 5235-1993 |
|---|---|---|---|
| Density | 8.21g/cm3 | Resistance Rate | 0.44μΩ·m |
| Forms Of Supply | Wire, Strip, Tube, Capillary, Rod, Round Bar, Forging | Product Name | Controlled Expansion Alloys |
| High Light | thermal expansion nickel,corrosion resistant alloys |
||
Product Description
4J50 Iron Nickel Controlled Expansion Alloy for Glass and Ceramics Sealing
4J50 is used in glass-to-metal seals for some of the soft glasses and some ceramics. Produced with good machining properties, it’s manufactured in a controlled environment under controlled conditions.
Specification
YB/T 5235-1993 Sealed Iron-Nickel-Chromium, Iron-Nickel Alloys Technical Requirements
Chemical composition
| Element | C | Mn | Si | P | S | Al | Co | Ni | Fe |
| Weight(%) | 0.05 max | 0.80 max | 0.30 max | 0.020 max | 0.020 max | 0.10 max | 1.0 max | 49.5~50.5 | Rem |
Application
4J50 is mainly used to make precision impedance diaphragm, wet spring relay, dry spring relay, and the corresponding soft glass sealing for precision length measurement.
Liner expansion rate(10-6/°C)
20~300°C 9.2~10.0
20~400°C 9.2~9.9
Density
8.21g/cm3
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