【 Weak current College 】 Nickel-chromium-and Nickel-chromium-iron resistance alloy specifications 】

Brand performance Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30 main chemical composition NiRestRest55.0-61.034.0-37.030.0-34.0Cr20.0-23.028.0-31.015.0-18.018.0-21.018.0-21.0Fe ≤ 1.0 ≤ 1.0RestRestRest symbols maximum use temperature (º C) 20 º C 12001250115011001100 resistivity (Ω · μ m) 1.091.181.121.01.04 density (g/cm3) 8.408.108.207.907.90 thermal conductivity (KJ/m · h · º C) 60.345.245.243.843.8 linear expansion coefficient (α × 10-6/º C) 18.017.017.019.019.0 melting point of about value (º C) 14001380139013901390 elongation (%) > > > 20 20 20 20 20 > > austeniteausteniteausteniteausteniteaustenite magnetic microstructure nonmagneticnonmagneticnonmagneticWeak magneticWeak magnetic