Electric Bare Copper Nickle Resistance Wire 6j12
1. Introduction for spool resistance wire
Sometimes cupro-nickels, there exists a range of different cooper nickel alloys that possess different properties and hence are suited to a range of different applications.
Chemical Composition and Main Property of Cu-Ni Low Resistance Alloy |
Properties\Grade |
CuNi1 |
CuNi2 |
CuNi6 |
CuNi8 |
CuMn3 |
CuNi10 |
Main Chemical Composition |
Ni |
1 |
2 |
6 |
8 |
_ |
10 |
Mn |
_ |
_ |
_ |
_ |
3 |
_ |
Cu |
Bal |
Bal |
Bal |
Bal |
Bal |
Bal |
Max Continuous Service Temperature(ºC) |
200 |
200 |
200 |
250 |
200 |
250 |
Resisivity at 20ºC (Ω*mm²/m) |
0.03 |
0.05 |
0.1 |
0.12 |
0.12 |
0.15 |
Density(g/cm³) |
8.9 |
8.9 |
8.9 |
8.9 |
8.8 |
8.9 |
Thermal Conductivity(α×10-6ºC) |
<100 |
<120 |
<60 |
<57 |
<38 |
<50 |
Tensile Strength(Mpa) |
≥210 |
≥220 |
≥250 |
≥270 |
≥290 |
≥290 |
EMF vs Cu(μVºC)(0~1000ºC) |
-8 |
-12 |
-12 |
-22 |
_ |
-25 |
Approximate Melting Point(ºC) |
1085 |
1090 |
1095 |
1097 |
1050 |
1100 |
Micrographic Structure |
austenite |
austenite |
austenite |
austenite |
austenite |
austenite |
Magnetic Property |
non |
non |
non |
non |
non |
non |
|
Properties\Grade |
CuNi14 |
CuNi19 |
CuNi23 |
CuNi30 |
CuNi34 |
CuNi44 |
Main Chemical Composition |
Ni |
14 |
19 |
23 |
30 |
34 |
44 |
Mn |
0.3 |
0.5 |
0.5 |
1 |
1 |
1 |
Cu |
Bal |
Bal |
Bal |
Bal |
Bal |
Bal |
Max Continuous Service TemperatureºC) |
300 |
300 |
300 |
350 |
350 |
400 |
Resisivity at 20ºC (Ω*mm²/m) |
0.2 |
0.25 |
0.3 |
0.35 |
0.4 |
0.49 |
Density(g/cm³) |
8.9 |
8.9 |
8.9 |
8.9 |
8.9 |
8.9 |
Thermal Conductivity(α×10-6ºC) |
<30 |
<25 |
<16 |
<10 |
<0 |
<-6 |
Tensile Strength(Mpa) |
≥310 |
≥340 |
≥350 |
≥400 |
≥400 |
≥420 |
EMF vs Cu(μVºC)(0~1000ºC) |
-28 |
-32 |
-34 |
-37 |
-39 |
-43 |
Approximate Melting Point(ºC) |
1115 |
1135 |
1150 |
1170 |
1180 |
1280 |
Micrographic Structure |
austenite |
austenite |
austenite |
austenite |
austenite |
austenite |
Magnetic Property |
non |
non |
non |
non |
non |
non |