Nickel Chrome Wire (NCHW-1) for Resistor Ni80Cr20
ASTM b603, DIN 17470, JIS c2520, GB/t1234.
Our advantage: High quality, short delivery time, small MOQ.
Characteristics: Stable performance; Anti-oxidation; Corrosion resistance; High temperature stability; Excellent coil-forming ability; Uniform and beautiful surface condition without spots.
Usage: Resistance heating elements; Material in metallurgy; Household appliances; Mechanical manufacturing and other industries.
Packing detail: Spool, coil, wooden case(as per client's requiryment).
Properties/Grade |
Cr20Ni80 |
Cr30Ni70 |
Cr15Ni60 |
Cr20Ni35 |
Cr20Ni30 |
Main Chemical composition |
Ni |
Rest |
Rest |
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 |
Rest |
Rest |
Rest |
Max. continuous service temp. of element |
1200 |
1250 |
1150 |
1100 |
1100 |
Resistivity at 20oC (μ Ω @ m) |
1.09 |
1.18 |
1.12 |
1.04 |
1.04 |
Density (g/cm3) |
8.40 |
8.10 |
8.20 |
7.90 |
7.90 |
Thermal conductivity(KJ/m@ h@ oC) |
60.3 |
45.2 |
45.2 |
43.8 |
43.8 |
Coefficient of lines expansion(α × 10-6/oC) |
18.0 |
17.0 |
17.0 |
19.0 |
19.0 |
Melting point (approx. )( oC) |
1400 |
1380 |
1390 |
1390 |
1390 |
Elongation at rupture (%) |
> 20 |
> 20 |
> 20 |
> 20 |
> 20 |
Micrographic structure |
austenite |
austenite |
austenite |
austenite |
austenite |
Magnetic properties |
nonmagnetic |
nonmagnetic |
nonmagnetic |
nonmagnetic |
nonmagnetic |