Resistance Wire Bright Nichrome 80 NiCr 80/20 Flat Wire / Strips
Max Width 200-250mm
description:
Resistance wire made from Nichrome alloy is a versatile and widely
used material in various industries due to its unique electrical
and thermal properties. Below are the primary applications of
resistance wire made from Nichrome alloy:
1 Heating Elements: Nichrome resistance wire is extensively
employed in heating elements for appliances such as electric ovens,
toasters, furnaces, and industrial heating systems. Its high
electrical resistance and excellent heat generation capabilities
make it an ideal choice for converting electrical energy into heat.
2 Industrial Processes: Nichrome resistance wire plays a crucial
role in industrial processes that require controlled heating, such
as heat sealing, plastic molding, soldering, and industrial
furnaces. It provides consistent and uniform heat distribution,
ensuring efficient and reliable operation.
3 Electrical Appliances: Nichrome resistance wire is commonly
utilized in electrical appliances where heating is required,
including hairdryers, heating pads, electric blankets, and
soldering irons. Its ability to generate heat quickly and withstand
high temperatures makes it an essential component in such devices.
Cr20Ni80 is an ideal material with good ductility under high
temperature and seismic strength. It is not easy to deform under
high temperature use, its structure is not easy to change, and it
has good processability and weldability. Nickel-chromium and
nickel-chromium iron alloys are the most widely used
high-resistance electric heating alloys. They have high and stable
resistance, corrosion resistance, high temperature resistance and
oxidation resistance, good flexibility, good plasticity after
long-term use, and easy repair. The same type of The permanent
elongation is very small, its emissivity is high, it is
non-magnetic, and it has excellent comprehensive properties. It is
the first choice for producing high-quality electrical components.
It is a high-resistance nickel-chromium alloy used in resistance
heating elements. It forms an attached layer of chromium oxide when
heated for the first time. The material under the wire will not
oxidize, preventing the wire from breaking or burning out.
These components are often used in precision heating fields such as
medical diagnostics, satellites and aerospace, electrical appliance
industry, ironing machines, water heaters, plastic molding molds,
soldering irons, metal sleeve components, cartridge components.
How about the nichrome strip working performance in furnace heating
project?
Nichrome strips are widely used in furnace heating applications due
to their excellent performance and advantages. Here are some key
points about the working performance of nichrome strips in furnace
heating projects:
1. High-Temperature Resistance:
Nichrome has a high melting point (around 1400°C) and can withstand
prolonged exposure to high temperatures inside furnaces without
degrading or losing its properties.
2. Oxidation Resistance:
The chromium content in nichrome makes it highly resistant to
oxidation, which is crucial in furnace environments where the
heating elements are exposed to high temperatures and oxygen.
3. Durability and Long Lifespan:
Nichrome strips have a long service life and can operate reliably
for extended periods in furnace heating applications, minimizing
the need for frequent replacements.
4. Efficient Heat Generation:
The high electrical resistance of nichrome allows it to generate
heat efficiently when an electric current is passed through the
strips, making it an effective heating element.
5. Precise Temperature Control:
The consistent and predictable heating characteristics of nichrome
strips enable precise temperature control in furnace heating
systems, which is crucial for many industrial and manufacturing
processes.
6. Easy Integration:
Nichrome strips can be easily integrated into various furnace
designs and heating systems, providing flexibility in the design
and installation of the heating elements.
7. Cost-Effectiveness:
Compared to some other high-temperature heating materials, nichrome
is relatively cost-effective, making it a popular choice for
furnace heating applications.
| Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
| Composición | Ni | 90 | Rest | Rest | 55.0～61.0 | 34.0～37.0 | 30.0～34.0 |
| Cr | 10 | 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. temperature( °C ) | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 |
| Melting Point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 |
| Density(g/cm3) | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
| Resistivity at 20ºC(μΩ@m) | 0.76±0.05 | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 |
| Elongation at rupture(%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 |
| Specific Heat J/g.℃ | － | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 |
| Thermal conductivity KJ/m.h℃ | － | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
| Coefficient of lines expansion a×10-6/(20～1000℃) | － | 18 | 17 | 17 | 19 | 19 |
| Micrographic structure | － | Austenite | Austenite | Austenite | Austenite | Austenite |
| Magnetic properties | － | Nonmagnetic | Nonmagnetic | Nonmagnetic | Weak magnetic | Weak magnetic |
