Nickel Chrome Alloy Nichrome Heating Resistance Seamless Tube and
Pipe
Hot sale China Made Cold Drawn Nichrome Ni80Cr20 Tube / Pipe
Grade:Ni80Cr20(Ohmalloy109)
Chemical Composition:Cr 20~23Rest% Ni Fe<1.0
Max.Continuous service temp.Of element(°C) :1200degrees
Resistivity at 20ºC(μΩ·m):1.09 ohm mm2/m
Density(g/cm3):8.4
NiCr series:Cr20Ni80,Cr30Ni70,Cr20Ni35,Cr20Ni30,Cr16Ni60
We also produce other kind of nickel chromium alloys, such as NiCr
60/15, NiCr 70/30, NiCr 30/20.They are also called Chromel A,
Nikrothal 80, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm
80, Cronix 80, Protoloy, Nikrothal 8, Alloy A, MWS-650, Stablohm
650, NCHW1
Nikrothal 70, Chromel 70/30, N7, Hytemco, HAI-NiCr 70, Balco,
Tophet 30,
Resistohm 70, Cronix 70, Stablohm 710
Chromel C, Nikrothal 60, N6, HAI-NiCr 60, Tophet C, Resistohm 60,
Cronifer II, Electroloy, Nichrome, Alloy C, Nikrothal 6, MWS-675,
Stablohm 675, NCHW2
Max Continuous Service:
Resisivity 20º C:
Density:
Thermal Conductivity:
Coefficient of Thermal Expansion:
Melting Point:
Elongation:
Micrographic Structure:
Magnetic Property: | 1200º C
1.09 ohm mm2/m
8.4 g/cm3
60.3 KJ/m@ h@ º C
18 α × 10-6/º C
1400º C
Min 20%
Austenite
nonmagnetic |
| Propertes/Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 |
Main Chemical
Composition(%) | Ni | Bal. | Bal. | 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 | Bal. | Bal. | Bal. |
Max Working
Temperature(ºC) | 1200 | 1250 | 1150 | 1100 | 1100 |
Resistivity
at 20ºC(μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 |
Density
(g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
Thermal Conductivity
(KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
Coefficient of Thermal
Expansion(α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 |
| Melting Point(ºC) | 1400 | 1380 | 1390 | 1390 | 1390 |
| Elongation(%) | > 20 | > 20 | > 20 | > 20 | > 20 |
| Micrographic Structure | austenite | austenite | austenite | austenite | austenite |
| Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmag |
