Nickel
Chrome Alloy Electric Heating Wire
1. Material composition: Cr20Ni80, Cr15Ni60, Cr30Ni70, Cr20Ni35, Cr20Ni30
2. Size: 10mm-0.03mm
FEATURES
nickel chrome alloy wire posses high resistance, antioxidant, high tensile strength under high temperature, good formability and weldability, this material can be used for making heating element and resistor in metallurgy, household electrical appliance and machinery.
Main physical property and chemical composition
Property |
Type |
Cr20NI80 |
CR30NI70 |
Cr15Ni60 |
Cr20Ni35 |
Cr20Ni30 |
main chemical composition |
Ni |
rest |
rest |
55-61 |
34-37 |
30-34 |
Cr |
20-23 |
28-31 |
15-18 |
18-21 |
18-21 |
|
Fe |
<1 |
<1 |
rest |
rest |
rest |
|
max working temperature °c |
1200 |
1250 |
1150 |
1100 |
1100 |
|
melting temperature °c |
1400 |
1380 |
1390 |
1390 |
1390 |
|
density g/cm3 |
8.40 |
8.10 |
8.20 |
7.90 |
7.90 |
|
resistivity |
1.09±0.05 |
1.18 ±0.05 |
1.11 ±0.05 |
1.04 ±0.05 |
1.04 ±0.05 |
|
elongation% |
>20 |
>20 |
>20 |
>20 |
>20 |
|
thermal conductivity |
60.3 |
45.2 |
45.2 |
43.8 |
43.8 |