Ni80Cr20 Nichrome Wire NCHW-1 for Heating with 1200°C Max Temperature Low Carbon Content and Corrosion Resistance
Ni80Cr20 nichrome wire heating elements
Nichrome Alloy wire(NiCr 80/20)
Chemical Composition: 80% nickel, 20% chrome
Resisvity: 1.09 ohm mm2/m,
Hardness: Soft, hard or semi-hard
Characteristics: Stable performance; Anti-oxidation; Corrosion resistance; High temperature stability; Excellent coil-forming ability; Uniform and beautiful surface condition without spots.
Usage: Resistance heating elements; Material in metallurgy; Household appliances; Mechanical manufacturing and other industries.
We professionally produce nickel-base alloy tape, include Ni80Cr20, Ni60Cr23, Ni60Cr16, Ni35Cr20, Ni20Cr25, NiMn, Ni200, Karma, Evanohm, NCHW, etc.
Shanghai Tankii Alloy Material Co., Ltd.
| Properties/Grade | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Main Chemical composition | Ni | Rest | Rest | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
| Fe | ≤ 1.0 | ≤ 1.0 | Rest | Rest | Rest | |
| Max. continuous service temp. of element | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Resistivity at 20oC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Density (g/cm3) | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
| Thermal conductivity(KJ/m· h· oC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Coefficient of lines expansion(α × 10-6/oC) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
| Melting point (approx. )( oC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Elongation at rupture (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Micrographic structure | austenite | austenite | austenite | austenite | austenite | |
| Magnetic properties | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | |
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