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Cr20Ni80

 

Chemical Composition:

 

Performance\ material  nichrome 90
Composition Ni Rest
Cr 20.0~23.0
Fe ¡Ü1.0
Maximum temperature¡æ 1200
Meltiing point ¡æ 1400
Density g/cm3 8.4
Resistivity 1.09¡À0.05
¦Ì¦¸¡¤m,20¡æ
Elongation at rupture ¡Ý20
Specific heat 0.44
J/g.¡æ
Thermal conductivity 60.3
KJ/m.h¡æ
Coefficient of lines expansion 18
a¡Á10-6/¡æ
(20~1000¡æ)
Micrographic structure Austenite
Magnetic properties Nonmagnetic

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