Ni25Cr20/Ni30Cr20/Ni35Cr20/APM Heating Tube/Pipe for Heat exchanger
FurnaceProduct Description
1. Performance: High resistivity, good oxidation resistance, very
good form stability, good ductility and excellent weldability.
2. Application: It is widely used for electric heating elements in
home appliances and industrial furnaces. And the typical
applications are flat irons, ironing machines, water heaters,
plastic moulding dies, soldering irons, metal sheathed tubular
elements and cartridge elements.
3. Dimension
Round Wire: 0.05mm-10mm
Flat Wire(Ribbon): Thickness 0.1mm-1.0mm, width 0.5mm-5.0mm
Other sizes are available upon your request.
Nichrome Alloy: Ni80Cr20, Ni70Cr30, Ni60Cr15, Ni35Cr20, Ni30Cr20
etc
Other products: Heating Resistance Alloy, FeCrAl Alloy, CuNi Alloy,
Pure Nickel, Thermocouple Wire etc
Please email us for more information, you will get the most
competitive price from here.
NiCr 80:20 - Industrial furnaces (upto 1200°C), electric cooking
equipment, precision resistors.
NiCr 70:30 - Industrial furnaces (upto 1250°C) with alternating
oxidizing/reducing atmosphere, precision resistors.
NiCr 60:15 - Industrial furnaces (upto 1150°C), electrically heated
equipment, high-resistance and potentiometer resistors.
NiCr 40:20 - Domestic heating appliances (upto 1100°C), furnaces in
carburising or semi-reducing atmosphere.
NiCr 30:20/ NiCr 20:25 - Industrial furnaces (upto 1100°C), heating
elements of cooking equipment.
Properties Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 |
Main Chemical Composition% | Ni | Balance | Balance | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 |
Fe | ≤1.0 | ≤1.0 | Balance | Balance | Balance |
Max Continuous Service Temperature(°C) | 1200 | 1250 | 1150 | 1100 | 1100 |
Resisivity (uΩ.m,20°C) | 1.09 | 1.18 | 1.11 | 1.04 | 1.04 |
Density (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
Thermal Conductivity(KJ/m·h·°C) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
Coefficient of Thermal Expansion(α×10-6/°C) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 |
Melting Point( °C) | 1400 | 1380 | 1390 | 1390 | 1390 |
Elongation(%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 |
Micrographic Structure | austenite | austenite | austenite | austenite | austenite |
Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic |
