30kg 0.45mm Alloy120 Wire Balco Alloy Used For Temperature Sensitive Resistors
Ni72Fe Alloy is a nickel-iron alloy with a thermal conductivity similar to nickel but twice the resistivity. It is used for making low cost resistance temperature sensors.
This alloy is characterized by very low resistivity and high temperature coefficient of resistance.
Its principal use is for resistance thermometers (resistance temperature detectors).
It is also mechanically strong and fairly corrosion resistant.
They are used in voltage regulators, timing devices, temperature sensitive resistors, temperature compensating devices and low temperature heating applications.
Ni72fe is a nickel-iron alloy for use at temperatures up to 600°C.
Typical applications for Ni72Fe:
1. Voltage regulators,
2. Timing devices,
3. Temperature sensitive resistors,
4. Temperature compensating devices
5. Low temperature heating applications.
Parameters
| Composition | nickel 70%, iron 30% |
| Resisivity ( 20℃) | 0.0000199ohm.cm |
| Max operating temp | 600℃ |
| Melting point | 1425℃ |
| Density | 8.45g/cm3 |
Other NiCr alloy :
NiCr 80:20 – Industrial furnaces (upto 1200°C), electric cooking equipment, precision resistors.
NiCr 70:30 – Industrial furnaces (upto 1230°C) with alternating oxidizing/reducing atmosphere, precision resistors.
NiCr 60:15 – Industrial furnaces (upto 1100°C), electrically heated equipment, high-resistance and potentiometer resistors.
NiCr 40:20 – Domestic heating appliances (upto 1050°C), furnaces in carburising or semi-reducing atmosphere.
NiCr 30:20/ NiCr 20:25 – Industrial furnaces (upto 1050°C), heating elements of cooking equipment.
Application:
1. Dynamic Braking Starting Resistor
2. Neutral Grounding Resistor
3. Resistor Box
4. Hot Cutting Wire
5. Industrial Furnace Ovens
6. Industry Heater
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