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Ni80Cr20 Nichrome electrical resistance Wire
Material: Cr20Ni80
Description:
Ni80Cr20 is a nickel-chromium alloy (NiCr alloy) for use at temperatures up to 1200°C (2190°F). The alloy is characterized by high resistivity, good oxidation resistance and very good form stability. It has good ductility after use and excellent weldability.
Ni80Cr20 is used for making electric heating elements in home appliances and industrial furnaces. Typical applications are flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
Chemical Composition & Property:
|
Properties |
Grade |
|
|
Ni80Cr20 |
||
|
Chemical composition % |
Ni |
Balance |
|
Cr |
20.0~23.0 |
|
|
Fe |
≤1.0 |
|
|
Highest service temperature °C |
1200 |
|
|
Melting point °C |
1400 |
|
|
Density g/cm3 |
8.40 |
|
|
Resistivity μΩ.m,20°C |
1.09 |
|
|
Elongation % |
≥20 |
|
|
Specific heat J/g.°C |
0.440 |
|
|
Thermal conductivity KJ/m.h.°C |
60.3 |
|
|
Coefficient of linear extensibility α×10-6/°C |
18.0 |
|
|
Microstructure |
Austenite |
|
|
Magnetic property |
nonmagnetic |
|
Size:
wires: dia 0.06-10mm Ribbons:0.05*0.2-2.0*6.0mm
Strips:0.5*5.0-5.0*250mm Bars:D10-100mm
Application: Nichrome, a non-magnetic alloy of nickel and chromium, is commonly used to make resistance wire because it has a high resistivity and resistance to oxidation at high temperatures. When used as a heating element, resistance wire is usually wound into coils.
Nichrome wire is commonly used in ceramics as an internal support structure to help some elements of clay sculptures hold their shape while they are still soft. Nichrome wire is used because of its ability to withstand the high temperatures that occur when a clay work is fired in a kiln.
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Main Product:
Nickel alloy,
High heating alloy,
High temperature alloy ,
Precise alloy,
Corrosion-resistance alloy,
Heat-resistance steel
