Special Grades
SPECIAL RESISTANCE ALLOYS
We can offer the following special resistance alloys.
NiFe70 and NiFe52: These alloys have low resistivity and high temperature coefficient of resistance. They are used for applications that require a current regulation. They can be used for temperatures up to 600°C. Applications of these alloys include low temperature heating, voltage regulators, resistors sensitive to temperature and temperature compensating devices, to name a few.
NiMn4Si: This alloy is characterized by high melting point and good corrosion resistance. lt is used in special resistance applications.
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| NOMINAL CHEMICAL COMPOSITION (weight%) | ||||
|---|---|---|---|---|
| Alloy | Ni | Fe | Mn | Si |
| FeNi 70 | 70 | 30 | – | – |
| FeNi 52 | 52 | 48 | – | – |
| NiMn4Si | 95 | – | 4 | 1 |
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| PHYSICAL & MECHANICAL PROPERTIES | ||||||
|---|---|---|---|---|---|---|
| Alloy |
Density (g/cm³) |
Tensile Strength (N/mm²) |
Elongation (%) |
Maximum Operating Temp. of Element (°C) |
Specific Heat at 20°C (J/kg°C) |
Coefficient of Linear Expansion (x10-6/°C) |
| FeNi 70 | 8.45 | 650 | 30 | 20-600 | 520 | 15 (at 20-100°C) |
| FeNi 52 | 8.20 | 610 | 30 | 20-600 | 500 | 10 (at 20-100°C) |
| NiMn4Si | 8.72 | 610 | 30 | 20-400 | 203 | 15 (at 20-500°C) |
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| ELECTRICAL PROPERTIES | |||
|---|---|---|---|
| Alloy |
Specific Resistance at 20°C (µΩ.cm) |
Temperature Coefficient of Resistance (x10-6/°C) |
|
| Value | Temp. Range (°C) | ||
| FeNi 70 | 20 | 5500 | 20-500 |
| FeNi 52 | 37 | 3700 | 20-500 |
| NiMn4Si | 22 | 3000 | 20-250 |
Terminal Wire Alloys
We can also supply materials for terminal wire applications. These include:
- Ni200
- NiMn2
- Nickel Plated Steel
- Tin Plated Nickel
- Tin Plated Copper
- Tin Plated Copper-Clad Steel
These wires are available in single as well as stranded configurations. Please contact us with your requirements and for more information about these wires.