ickel Chromium Wire Heat Resistance Alloy Wire Ni80cr20 (Nicr80/20) Description| Chemical Composition and Propertes: | | Propertes/Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | | Main Chemical Composition(%) | Ni | Bal. | Bal. | 55.0-61.0 | | Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | | Fe | ≤ 1.0 | ≤ 1.0 | Bal. | | Max Working Temperature(ºC) | 1200 | 1250 | 1150 | | Resistivity at 20ºC(μ Ω · m) | 1.09 | 1.18 | 1.12 | | Density(g/cm3) | 8.4 | 8.1 | 8.2 | | Thermal Conductivity(KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | | Coefficient of Thermal Expansion(α × 10-6/ºC) | 18 | 17 | 17 | | Melting Point(ºC) | 1400 | 1380 | 1390 | | Elongation(%) | > 20 | > 20 | > 20 | | Micrographic Structure | austenite | austenite | austenite | | Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic |
| Propertes/Grade | NiCr 35/20 | NiCr 30/20 | Karma | Evanohm | Main Chemical
Composition(%) | Ni | 34.0-37.0 | 30.0-34.0 | Bal | Bal | | Cr | 18.0-21.0 | 18.0-21.0 | 19.0-21.5 | 19.0-21.5 | | Fe | Bal. | Bal. | 2.0-3.0 | - | | Max Working Temperature(ºC) | 1100 | 1100 | 300 | 1400 | Resistivity at 20ºC
(μ Ω · m) | 1.04 | 1.04 | 1.33 | 1.33 | | Density(g/cm3) | 7.9 | 7.9 | 8.1 | 8.1 | Thermal Conductivity
(KJ/m· h· ºC) | 43.8 | 43.8 | 46 | 46 | Coefficient of Thermal
Expansion(α × 10-6/ºC) | 19 | 19 | - | - | | Melting Point(ºC) | 1390 | 1390 | 1400 | 1400 | | Elongation(%) | > 20 | > 20 | 10-20 | 10-20 | | Micrographic Structure | austenite | austenite | austenite | austenite | | Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic |
| Chemical Composition | Nickel 80%, Chrome 20% | | Condition | Bright/Acid white/Oxidied Color | | Diameter | 0.018mm~1.6mm in spool, 1.5mm-8mm packing in coil, 8~60mm in rod | | Nichrome Round Wire | Diameter 0.018mm~10mm | | Nichrome Ribbon | Width 5~0.5mm, thickness 0.01-2mm | | Nichrome Strip | Width 450mm~1mm, thickness 0.001m~7mm | | Diameter | 1.5mm-8mm packing in coil, 8~60mm in rod | | Grade | Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe,
Ni30Cr20 Ni80, Ni70,Ni60, Ni40, | | Advantage | The metallurgical structure of nichrome
confers them a very good plasticity when cold. | | Characteristics | Stable performance; Anti-oxidation; Corrosion resistance;
High temperature stability; Excellent coilforming ability;
Uniform and beautiful surface condition without spots. | | Usage | Resistance heating elements;Material in metallurgy,
Household appliances;Mechanical manufacturing and |
Material Specifications | Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
|---|
| Composition Ni | 90 | Rest | Rest | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 | | Composition Cr | 10 | 20.0~23.0 | 28.0~31.0 | 15.0~18.0 | 18.0~21.0 | 18.0~21.0 | | Composition Fe | | ≤1.0 | ≤1.0 | Rest | Rest | Rest | | Maximum temperature ºC | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | | Melting point ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | | Density g/cm³ | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
|
