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Nickel Chrome Alloy Karma Flat Wire 0.1*2.0mm

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Nickel Chrome Alloy Karma

Heating conductor alloys nichrome alloy round and flat wire 0.1*5mm

Definition:
Resistance wire is a type of wire that has a high electrical resistance, meaning it resists the flow of electric current.
It is typically made from alloys such as nichrome (nickel-chromium) or (iron-chromium-aluminum), which have specific electrical properties that make them suitable for applications where heat is generated.
Resistance wire is commonly used in heating elements, electrical appliances, industrial furnaces, and other devices that require controlled heating or temperature regulation.
Resistance wire is chosen for its ability to generate heat efficiently and withstand high temperatures without melting or deforming.

Grade: Ni80Cr20 ,MWS-650,NiCrA,Tophet A,HAI-NiCr 80,Chromel A,Alloy A,N8,Resistohm 80, Stablohm 650,Nichorme V etc.

Resistance wire is a type of wire made from a material with high electrical resistance, such as nichrome.
It is commonly used in heating elements, such as those found in toasters, ovens, and hair dryers, as well as in industrial applications like furnace heating and thermocouples.
The high resistance of the wire allows it to generate heat when an electric current is passed through it, making it an effective heating element.

Product Parameters

Parameters of nickel chromium alloy product:

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

 

Mechanical Properties of nichrome wire

Max Continuous Service Temperature: 1250ºC
Resisivity 20ºC: 1.18 ohm mm2/m
Density: 8.1 g/cm3
Thermal Conductivity: 45.3KJ/m·h·ºC
Coefficient of Thermal Expansion: 17 α×10-6/ºC
Melting Point: 1380ºC
Elongation: Min 20%
Micrographic Structure: Austenite
Magnetic Property: nonmagnetic

Temperature Factors Of Electrical Resistivity

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 -

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