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Nikrothal 70/Cr30ni70 Nichrome Ribbon/Flat Wire for Heating
Cr30Ni70 Electric Heating Resistance Nichrome Ribbon/Flat Wire
Description
| Model NO. | Ni70Cr30 | Specification | Ribbon |
| Trademark | HUONA | Origin | China |
| Transport Package | in Roll, Wooden Case Outside | HS Code | 7505220000 |
| Chemical Composition and Propertes: | ||||||
| Propertes/Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Main Chemical Composition (%) |
Ni | Bal. | Bal. | 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 | Bal. | Bal. | Bal. | |
| Max Working Temperature (ºC) |
1200 | 1250 | 1150 | 1100 | 1100 | |
| Resistivity at 20ºC (μ Ω · m) |
1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Density(g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Thermal Conductivity (KJ/m· h· ºC) |
60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Coefficient of Thermal Expansion (α × 10-6/ºC) |
18 | 17 | 17 | 19 | 19 | |
| Melting Point(ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Elongation(%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Micrographic Structure |
austenite | austenite | austenite | austenite | austenite | |
| Magnetic Property |
nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic | |
Details
| 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 coil-forming ability; Uniform and beautiful surface condition without spots. |
| Usage | Resistance heating elements;Material in metallurgy;Household appliances;Mechanical manufacturing and other industries. |
| Resistance Wires | ||
| RW30 | W.Nr 1.4864 | Nickel 37%, Chrome 18%, Iron 45% |
| RW41 | UNS N07041 | Nickel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3% |
| RW45 | W.Nr 2.0842 | Nickel 45%, Copper 55% |
| RW60 | W.Nr 2.4867 | Nickel 60%, Chrome 16%, Iron 24% |
| RW60 | UNS NO6004 | Nickel 60%, Chrome 16%, Iron 24% |
| RW80 | W.Nr 2.4869 | Nickel 80%, Chrome 20% |
| RW80 | UNS NO6003 | Nickel 80%, Chrome 20% |
| RW125 | W.Nr 1.4725 | Iron BAL, Chrome 19%, Aluminium 3% |
| RW145 | W.Nr 1.4767 | Iron BAL, Chrome 20%, Aluminium 5% |
| RW155 | Iron BAL, Chrome 27%, Aluminium 7%, Molybdenum 2% | |
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