Ni70Cr30

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Chemical Content, %

C P S Mn Si Cr Ni Al Fe Other
Max 0.08 Max 0.02 Max 0.015 Max 0.60 0.75~1.60 28.0~31.0 Bal. Max 0.50 Max 1.0 -

Mechanical Properties

Property Name Value
Max Continuous Service Temperature 1250℃
Resistivity ( 20℃)/Ω·m 1.18 +/-0.05 (Dia: <0.5mm)
1.20+/-0.05 (Dia: ≥0.50 mm)
Density 8.1 g/cm3
Thermal Conductivity 45.2 KJ/m·h·℃
Coefficient of Thermal Expansion 17×10-6/℃ (20℃~1000℃)
Melting Point 1380℃
Elongation Min 20%
Micrographic Structure Austenite
Magnetic Property nonmagnetic

Temperature Factor of Electrical Resistivity

20℃ 100℃ 200℃ 300℃ 400℃ 500℃ 600℃ 700℃ 800℃ 900℃ 1000℃ 1100℃ 1200℃ 1300℃
1 1.007 1.016 1.028 1.038 1.044 1.036 1.03 1.028 1.029 1.033 1.037 1.043 -