Tpye of Insulation:
1) Polyester resistance wire , class 130
2) Modified polyester resistance wire , class 155
3) Polyesterimide resistance wire , class 180
4) Polyester (imide) coated with polyamide-imide resistance wire , class 200
5) Polyimide resistance wire , class 220
Constantan 6J40 | New Constantan | Manganin | Manganin | Manganin | ||
6J11 | 6J12 | 6J8 | 6J13 | |||
Main Chemical Elements % | Mn | 1~2 | 10.5~12.5 | 11~13 | 8~10 | 11~13 |
Ni | 39~41 | - | 2~3 | - | 2~5 | |
Cu | REST | REST | REST | REST | REST | |
Al2.5~4.5 Fe1.0~1.6 | Si1~2 | |||||
Temperature Range for Components | 5~500 | 5~500 | 5~45 | 10~80 | 10~80 | |
Density | 8.88 | 8 | 8.44 | 8.7 | 8.4 | |
g/cm3 | ||||||
Resistivity | 0.48 | 0.49 | 0.47 | 0.35 | 0.44 | |
μΩ.m,20 | ±0.03 | ±0.03 | ±0.03 | ±0.05 | ±0.04 | |
Extensibility | ≥15 | ≥15 | ≥15 | ≥15 | ≥15 | |
%Φ0.5 | ||||||
Resistance | -40~+40 | -80~+80 | -3~+20 | -5~+10 | 0~+40 | |
Temperature | ||||||
Quotiety | ||||||
α,10 -6 / | ||||||
Thermoelectromotive | 45 | 2 | 1 | 2 | 2 | |
force to Copper | ||||||
μv/(0~100) |
Tpye of Bare Wire
main
property type |
Cuni1 | CuNI2 | CuNI6 | CuNI10 | CuNi19 | CuNi23 | CuNi30 | CuNi34 | CuNI44 | |
main
chemical composition |
Ni | 1 | 2 | 6 | 10 | 19 | 23 | 30 | 34 | 44 |
MN | / | / | / | / | 0.5 | 0.5 | 1.0 | 1.0 | 1.0 | |
CU | rest | rest | rest | rest | rest | rest | rest | rest | rest | |
max
working temperature |
/ | 200 | 220 | 250 | 300 | 300 | 350 | 350 | 400 | |
density
g/cm3 |
8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | |
resistivity
at 20 °c |
0.03 ± 10% |
0.05 ±10% |
0.1 ±10% |
0.15 ±10% |
0.25 ±5% |
0.3 ±5% |
0.35 ±5% |
0.40 ±5% |
0.49 ±5% |
|
temperature
coefficient of resistance |
<100 | <120 | <60 | <50 | <25 | <16 | <10 | -0 | <-6 | |
tensile
strength mpa |
>210 | >220 | >250 | >290 | >340 | >350 | >400 | >400 | >420 | |
elongation | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | |
melting
point °c |
1085 | 1090 | 1095 | 1100 | 1135 | 1150 | 1170 | 1180 | 1280 | |
coefficient of
conductivity |
145 | 130 | 92 | 59 | 38 | 33 | 27 | 25 | 23 |