Ni35Cr20
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.
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 | Thermal Expansion x10-6/K |
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 | 1.023 | 1.052 | 1.079 | 1.103 | 1.125 | 1.141 |
700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
1.158 | 1.173 | 1.187 | 1.201 | 1.214 | 1.226 | - |
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