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Ni35Cr20
(Common Name:Ni35Cr20,Chromel D, Nikrothal 40, N4, HAI-NiCr 40, Tophet D, Resistohm 40, Cronifer ,Chromex,35-20 Ni-Cr,Alloy D,NiCr-DAlloy 600,Nikrothal 4,MWS-610,Stablohm 610.)
Ni35Cr20 is a nickel-chromium alloy (NiCr alloy) characterized by High resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1100°C.
Typical applications for Ni35Cr20 are used in night-storage heaters,convection heaters,heavy duty rheostats and fan heaters.And also used for heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads,car seats,baseboard heaters and floor heaters,resistors.
Normal composition%
|
C |
P |
S |
Mn |
Si |
Cr |
Ni |
Al |
Fe |
Other |
|
Max |
|||||||||
|
0.08 |
0.02 |
0.015 |
1.00 |
1.0~3.0 |
18.0~21.0 |
34.0~37.0 |
- |
Bal. |
- |
Typical Mechanical properties（1.0mm）
|
Yield strength |
Tensile Strength |
Elongation |
|
Mpa |
Mpa |
% |
|
340 |
675 |
35 |
Typical Physical properties
|
Density (g/cm3) |
7.9 |
|
Electrical resistivity at 20℃(Ωmm2/m) |
1.04 |
|
Conductivity coefficient at 20℃ (WmK) |
13 |
|
Coefficient of thermal expansion |
|
|
Temperature |
Coefficient of Thermal Expansion x10-6/℃ |
|
20 ℃- 1000℃ |
19 |
|
Specific heat capacity |
|
|
Temperature |
20℃ |
|
J/gK |
0.50 |
|
Melting point (℃) |
1390 |
|
Max continuous operating temperature in air (℃) |
1100 |
|
Magnetic properties |
non-magnetic |
Temperature Factors Of Electrical Resistivity
|
20℃ |
100℃ |
200℃ |
300℃ |
400℃ |
500℃ |
600℃ |
|
1 |
1.029 |
1.061 |
1.09 |
1.115 |
1.139 |
1.157 |
|
700℃ |
800℃ |
900℃ |
1000℃ |
1100℃ |
1200℃ |
1300℃ |
|
1.173 |
1.188 |
1.208 |
1.219 |
1.228 |
- |
- |
Style of supply
|
Alloys Name |
Type |
Dimension |
||
|
Ni35Cr20W |
Wire |
D=0.03mm~8mm |
||
|
Ni35Cr20R |
Ribbon |
W=0.4~40 |
T=0.03~2.9mm |
|
|
Ni35Cr20S |
Strip |
W=8~250mm |
T=0.1~3.0 |
|
|
Ni35Cr20F |
Foil |
W=6~120mm |
T=0.003~0.1 |
|
|
Ni35Cr20B |
Bar |
Dia=8~100mm |
L=50~1000 |
|
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