Complaint
| Max Continuous Service Temperature: | 1200ºC |
| Resisivity 20ºC: | 1.09 ohm mm2/m |
| Density: | 8.4 g/cm3 |
| Thermal Conductivity: | 60.3 KJ/m·h·ºC |
| Coefficient of Thermal Expansion: | 18 α×10-6/ºC |
| Melting Point: | 1400ºC |
| Elongation: | Min 20% |
| Micrographic Structure: | Austenite |
| Magnetic Property: | nonmagnetic |
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | 1.025 | - |
| Alloys Name | Type | Dimension | |
| Ni80Cr20W | Wire | D=0.016mm~10mm | |
| Ni80Cr20R | Ribbon | W=0.3~5mm | T=0.01~2mm |
| Ni80Cr20S | Strip | W=1~450mm | T=0.005~5.0mm |
| Ni80Cr20B | Bar | Dia=3~100mm | L=50~3000mm |
| Chemical Composition and Main Properties of Nichrome wire | ||||||
| Properties \ Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Main Chemical Composition | Ni | Balance | Balance | 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 | Balance | Balance | Balance | |
| Max Continuous Service Temperature(oC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Resisivity 20oC (Ω mm2/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 | Weak magnetic | Weak magnetic | |
| Chemical Composition | Nickel Chrome (Iron) Alloy |
| Surface | Bright,Acid white,Oxidized Color |
| Diameter | 0.016mm~2.0mm in spool, 1.0mm-8.0mm packing in coil, 3.0~100.0mm in rod |
| Nichrome Round Wire | Diameter 0.016mm~10.00mm |
| Nichrome Ribbon | Width: 5.00~0.30mm, thickness: 0.01-2.00mm |
| Nichrome Strip | Width: 1mm~450mm, thickness: 0.005mm~5mm |
| Grade | Ni80Cr20, Ni70Cr30, Ni60Cr15, Ni60Cr23, Ni35Cr20,Ni40Cr20,Ni30Cr20, NiCr20AlSi, Karma |
| 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 | |
| other industries. |
| Resistance Wires | ||
| RW30 | W.Nr 1.4864 | Iron 45%, Nickel 37%, Chrome 18% |
| RW41 | UNS N07041 | Nickel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3% |
| RW45 | W.Nr 2.0842 | Copper 55%,Nickel 45% |
| RW60 | W.Nr 2.4867/UNS NO6004 | Nickel 60%, Chrome 16%, Iron 24% |
| RW80 | W.Nr 2.4869/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% | |
2. Nickel wire:
It has good mechanical strength,corrosion-resistant and heat-resistance strength.
It is widely used in electric apparatus,chemical machinery,good processing equipment,rechargeable batteriesomputers, cellular Phone, power tools, camcorders and so on.
Chemical Composition
| Grade | Element Composition/% | |||||||
| Ni+Co | Mn | Cu | Fe | C | Si | Cr | S | |
| Ni201 | ≥99.0 | ≤0.35 | ≤0.25 | ≤0.30 | ≤0.02 | ≤0.3 | ≤0.2 | ≤0.01 |
| Ni200 | ≥99.0 | /≤0.35 | ≤0.25 | ≤0.30 | ≤0.15 | ≤0.3 | ≤0.2 | ≤0.01 |
Propertis
| Density | Melting point | Coefficient of expansion | Modulus of rigidity | Modulus of elasticity | Electrical resistivity | |
| Ni200 | 8.9g/cm3 | 1446°C | 13.3 µm/m °C (20-100°C) | 81kN/mm2 | 204kN/mm2 | 9.6μW• cm |
| Ni201 | 1446°C | 13.1µm/m °C(20-100°C) | 82kN/mm2 | 207kN/mm2 | 8.5μW• cm |
Diameter(mm) | Tolerance(mm) | Diameter(mm) | Tolerance(mm) |
0.03-0.05 | ±0.005 | >0.50-1.00 | ±0.02 |
>0.05-0.10 | ±0.006 | >1.00-3.00 | ±0.03 |
>0.10-0.20 | ±0.008 | >3.00-6.00 | ±0.04 |
>0.20-0.30 | ±0.010 | >6.00-8.00 | ±0.05 |
>0.30-0.50 | ±0.015 | >8.00-12.0 | ±0.4 |
