Nickel chromium wire and nickel chromium iron wire are
the most widely used for high resistance wires，they have
advantages as follow:
1.
Nickel chrome wire is not easy to be deformed at high
temperature and the layout of element is selective well
2.
Nichrome wire will not be brittle after cooling,
therefore the relatively reliable to use and repair easily
3.
The emissivity of nickel chromium wire is higher than
iron chromium aluminum with fully oxidized,so its temperature is lower when the
surface load is the same
4.
The nickel chrome wire is not magnetic which is more
suitable for some appliances at low temperature, the iron chromium aluminum is
not magnetic above 600C
The nichrome wire has better corrosion resistance (except for sulfur-containing atmospheres and certain
controlled atmospheres)
Physical parameters of nickel chrome wire
|
Specification
|
Cr
|
Ni
|
Fe
|
Al
|
Si
|
C
|
P
|
S
|
Mn
|
|
Cr20Ni80
|
20.0-23.0
|
BAL.
|
≤1.0
|
≤0.50
|
0.75-1.60
|
≤0.08
|
≤0.02
|
≤0.015
|
≤0.60
|
|
Cr15Ni60
|
15.0- 18.0
|
55.0-61.0
|
BAL.
|
≤0.50
|
0.75- 1.60
|
≤0.08
|
≤0.02
|
≤0.015
|
≤0.60
|
|
Cr20Ni30
|
18.0- 21.0
|
30.0-34.0
|
BAL.
|
-----
|
1.00-2.00
|
≤0.08
|
≤0.02
|
≤0.015
|
≤1.00
|
Nichrome composition
|
Resistivity of nichrome (20℃μΩ.m)
|
CE (α×10-6/ºC)
|
MP(ºC)
|
TCR(ppm/ºC)
|
Max of T(ºC)
|
|
1.09 ± 0.05
|
14
|
1400
|
85
|
1000
|
|
1.10±0.05
|
17
|
1390
|
140
|
950
|
|
1.05±0.05
|
19
|
1390
|
280
|
950
|
We supply the top quality nickel chrome wire 100% through
QA program superivised by the Chief Quality Officer. Continuously doing the job
of raw materials purchase management, manufacturing processes optimization,
staff training,etc. Our sales prices can always keep competitve all over the
world.
Pls contact us for a completed quote and we will be waiting here at 7*24.
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