Project Description
Nichrome 80 (UNS N06003 / W.Nr. 2.4869) is a nickel-chromium resistance alloy for operating temperatures up to 1200℃. It has highly corrosion resistance and lower coefficient of resistance than other heater element alloys. Nichrome 80 is the most ideal resistance heating alloy.
Equivalent Grades
Trademark | GB | GOST | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
Nikrothal 80 Resistohm 80 | Cr20Ni80 | Х20Н80 Х20Н80-Н | 80Ni-20Cr | N06003 | NiCr80 20 | 2.4869 | – | – | NCHW1 NCHRW1 | – |
Chemical Composition, %
Alloy | C | Si | Mn | P | S | Cr | Ni | Al | Fe |
Nichrome 80 | ≤0.08 | 0.75-1.60 | ≤0.60 | ≤0.020 | ≤0.015 | 20.0-23.0 | Bal | ≤0.50 | ≤1.00 |
Mechanical Properties (RT, Annealed)
Tensile Strength, Rm/MPa | Elongation, A/% | |
Dia. >3.00mm (Wire) Thk. >0.20mm (Strip) | Dia. 0.10-3.00mm (Wire) Thk. ≤0.20mm (Strip) | |
≥650 | ≥25 | ≥20 |
Physical Properties
Max Working Temp., ℃ | Melting Point, ℃ | Density, g/cm3 | Resistivity, μΩ·m 20℃ | Specific Heat, J/(g•K) | Thermal Conductivity, W/(m•K) 20℃ | Average Coefficient of Thermal Expansion,α×10-6/℃ 20-1000℃ | Micrographic Structure | Magnetic Properties |
1200 | 1400 | 8.4 | 1.09 | 0.46 | 15 | 18.0 | Austenitie | Non-Magnetic |
Life Test
Test Temperature, ℃ | Continuous Service Time Hours, ℃ |
1200 | ≥80 |
Temperature Factor of Resistivity
20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
1.000 | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 | 1.010 | 1.008 | 1.010 | 1.014 | 1.021 | 1.025 | – |
Available Products and Specifications
Rod, Bar, Wire and Forgings | GB/T 1234-2012, ASTM B344-01, DIN 17470-1984, GOST 12766.1-1990, GOST 12766.3-1990, GOST 12766.4-1990, GOST 12766.5-1990, JIS C2520-1999, |
Plate, Sheet and Strip | GB/T 1234-2012, ASTM B344-01, DIN 17470-1984, GOST 12766.2-1990, JIS C2520-1999 |
Pipe and Tube | – |
Welding Product | – |
Others | GOST 10994 |
Features
- Great ductility
- Excellent workability and weldability under high temperature
- High and stable resistivity
- Surface oxidation resistance
- Sufficient high temperature strength
- Working temperature up 1200℃
Applications
Nichrome 80 is used for electric heating elements in home appliances and industrial furnaces.
- Electrical parts and electronic components
- Electric heating elements (home & industrial use)
- Industrial furnaces up to 1200℃
- Heating cables, mats and cords
- Flat irons
- Ironing machines
- Water heaters
- Plastic moulding dies
- Soldering irons
- Metal sheathed tubular elements and cartridge elements
- Braking resistors