FeNi54 Iron Nickel Alloy Wire 53.5-54.5% Ni Content for Glass Sealing with 8.28 g/cm³ Density
Price:
negotiable
MOQ:
200 KG
Delivery Time:
7-20 days
Brand:
TANKII
Product Description
FeNi54 Iron Nickel Alloy Constant Expansion Glass Sealed Alloy
FeNi54 iron nickel constant expansion alloy is engineered to match the thermal expansion coefficients of various soft glasses and ceramics within specific temperature ranges. By precisely controlling nickel content, this alloy achieves optimal expansion characteristics for reliable glass-to-metal sealing applications.
Chemical Composition (%)
| Brand | Ni | Fe | C | P | Si | Co | Mn | Al | S |
|---|---|---|---|---|---|---|---|---|---|
| 4j42 | 41.5~42.5 | Bal | 0.05 | 0.02 | 0.3 | - | 0.80 | 0.10 | 0.02 |
| 4j45 | 44.5~45.5 | Bal | 0.05 | 0.02 | 0.3 | - | 0.80 | 0.10 | 0.02 |
| 4j50 | 49.5~50.5 | Bal | 0.05 | 0.02 | 0.3 | 1.0 | 0.80 | 0.10 | 0.02 |
| 4j52 | 51.5~52.5 | Bal | 0.05 | 0.02 | 0.3 | - | 0.60 | - | 0.02 |
| 4j54 | 53.5~54.5 | Bal | 0.05 | 0.02 | 0.3 | - | 0.60 | - | 0.02 |
4j54 Physical Properties
| Thermal Conductivity | Specific Heat Capacity | Density | Electric Resistivity | Curie Point |
|---|---|---|---|---|
| 18.8 W/m·K | 502 J/kg·K | 8.28 g/cm³ | 0.42 μΩ·m | 530°C |
Thermal Expansion Characteristics (10⁻⁶/°C)
| Temperature Range | 20~100 | 20~200 | 20~300 | 20~350 | 20~400 | 20~450 | 20~500 | 20~600 |
|---|---|---|---|---|---|---|---|---|
| Expansion Coefficient | 10.7 | 12.7 | 10.7 | 10.7 | 10.8 | 10.3 | 10.8 | 11.2 |
Primary Applications
4j54 alloy is primarily used for mica and soft glass sealing applications in the electric vacuum industry. Typical applications include:
- Transformers for moderate magnetic fields
- Relays and electromagnetic clutches
- Chokes and pole pieces
- Earphone capsules and gas safety valves
- Magnetic shields and gyroscopes
- Selsyn motors and micro motors for electronic watches
- Earth leakage circuit breakers and relay components
- Magnetic circuit cores and precision components
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Company
Shanghai Tankii Alloy Material Co.,Ltd
Location
1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
Contact Person
Martin Lee