| Customization: | Available |
|---|---|
| Product Type: | Wire |
| Material: | Ni70Cr30 |
|
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Whole Sale Price Ni70cr30 Wire Nicr70/30 Wire for Band Heaters
Common Name: Ni70Cr30, N7, HAI-NiCr70, Chromel70/30, Resistohm70, Balco, Tophet 30, Cronix 70, Alloy 710, Stablohm 710
Ni70Cr30 is a nickel-chromium alloy (NiCr alloy) characterized byHigh resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1250°C.
Typical applications for Ni70Cr30 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres
| 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 |
nonmagnetic |
|
Product Description
Grade: Ni80Cr20 ,also called MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,N8,Resistohm 80, Stablohm 650,Nichorme V etc.
Chemical Content(%)
|
C |
P |
S |
Mn |
Si |
Cr |
Ni |
Al |
Fe |
Other |
|
Max |
|||||||||
|
0.03 |
0.02 |
0.015 |
0.60 |
0.75~1.60 |
20.0~23.0 |
Bal. |
Max 0.50 |
Max 1.0 |
- |
Mechanical Properties of nichrome wire
|
Max Continuous Service Temperature: |
1200ºC |
|
Resisivity 20ºC: |
1.09 ohm mm2/m |
|
Density: |
8.4 g/cm3 |
|
Thermal Conductivity: |
60.3 KJ/m·h·ºC |
|
Coefficient of Thermal Expansion: |
18 α×10-6/ºC |
|
Melting Point: |
1400ºC |
|
Elongation: |
Min 20% |
|
Micrographic Structure: |
Austenite |
|
Magnetic Property: |
nonmagnetic |
Temperature Factors Of Electrical Resistivity
|
20ºC |
100ºC |
200ºC |
300ºC |
400ºC |
500ºC |
600ºC |
|
1 |
1.006 |
1.012 |
1.018 |
1.025 |
1.026 |
1.018 |
|
700ºC |
800ºC |
900ºC |
1000ºC |
1100ºC |
1200ºC |
1300ºC |
|
1.01 |
1.008 |
1.01 |
1.014 |
1.021 |
1.025 |
- |
Regular size of Nickel alloy wire :
We supply products in the shape of wire,flat wire,strip.We can also make customized material according to useris requests.
Bright and white wire--0.025mm~3mm
Pickling wire:1.8mm~10mm
Oxidized wire:0.6mm~10mm
Flat wire:thickness 0.05mm~1.0mm,width 0.5mm~5.0mm
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