|
Electric
resistance alloys are used in making resistors in meters,
instruments, electronic application and industrial equipment. Our
company Cu-Mn series, CuNi series and Ni-Cr series products are
supplied in the forms of wire, flat wire, strip, sheet and rod.
Main
Property Of Electric Resistance Alloy
|
Type
Properties
|
Cu-Mn
Series Alloys
|
Cu-Ni
Series Alloys
|
Ni-Cr
Series Alloys
|
|
Manganin
(6J12)
|
Manganin
for shunt
(6J13)
|
Constantan
(6J40)
|
CuNi44
|
Ni80Cr20
(6J20)
|
Karma
(6J22)
|
|
main
composition （%）
|
Cu
|
bal.
|
bal.
|
bal.
|
bal.
|
--
|
--
|
|
Mn
|
11
~ 13
|
11
~ 13
|
1
~ 2
|
1
|
--
|
--
|
|
Ni
|
2
~ 3
|
2
~ 3
|
39
~ 41
|
44.5
|
bal.
|
bal.
|
|
Fe
|
<
0.5
|
<
0.5
|
--
|
|
<
1.0
|
2
~ 3
|
|
other
|
--
|
--
|
--
|
|
Cr:
19 ~ 23
|
Cr
19 ~ 23
Al
2.5 ~ 3.2
|
|
Max.
Working Temp. 0C
|
5
~ 45
|
10
~ 80
|
0
~ 450
|
0
~ 600
|
0
~ 800
|
-60
~ 300
|
|
Resistivity
(20 0C) μΩ.m
|
0.47±0.03
|
0.44±0.04
|
0.48±0.03
|
0.49±0.03
|
1.05±0.05
|
1.33±0.07
|
|
TCR
x 10-6/0C
|
-10
~ +20
|
-5
~ +40
|
-40
~ +40
|
-80
~ +40
|
-50
~ +50
|
-20
~ +20
|
|
EMF
vs Cu (0~100 0C) μV / 0C
|
≤
1
|
≤
2
|
≤
45
|
-
40
|
3.5
~ 4.0
|
≤
2
|
|
Density
g/cm3
|
8.4
|
8.4
|
8.9
|
8.9
|
8.4
|
8.1
|
|
Melting
point
0C
|
960
|
960
|
1280
|
1210
|
1400
|
1400
|
|
Tensile
Strength Mpa
|
490
~ 539
|
490
~ 539
|
>390
|
>420
|
686
~ 736
|
950
|
|
Elongation
%
|
10
~ 30
|
10
~ 30
|
15
~ 30
|
12
~ 25
|
30
|
10
~ 20
|
|
U.
K. ANHING CO. LTD
