|Type:||Nickel Wire||Application:||Heating Element And Resistor|
|Resistance (μΩ.m):||1.09+/-0.05||Treatment:||Hydrogen Annealing|
Heating Resistance Nichrome Alloy Wire,
Cr20Ni80 Nickel Chromium Wire,
Cr20Ni30 nickel chrome Wire
Nichrome (NiCr, nickel-chrome, chrome-nickel, etc) is the oldest form of resistance heating alloy. It’s one of the various alloys of nickel, chromium, and often iron or possibly other elements.
Classification: Nichrome alloy, as resistance wire, as heating elements, can be classified as nichrome resistance heating wire, resistance heating flat and resistance heating strip according to the section shape.
|Alloy Nomenclature Performance||Cr20Ni80||Cr30Ni70||Cr15Ni60||Cr20Ni35||Cr20Ni30|
|Main Chemical composition||Ni||Rest||Rest||55.0-61.0||34.0-37.0||30.0-34.0|
|Max continuous service temp(ºC)||1200||1250||1150||1100||1100|
|Resistivity at 20ºC (μΩ·m)||1.09||1.18||1.12||1||1.04|
|Thermal conductivity (KJ/m·h·ºC)||60.3||45.2||45.2||43.8||43.8|
|Coefficient of lines expansion(α×10-6/ºC)||18||17||17||19||19|
|Melting point approx.( ºC)||1400||1380||1390||1390||1390|
|Elongation at rupture(%)||>20||>20||>20||>20||>20|
|Magnetic properties||nonmagnetic||nonmagnetic||Weak magnetic||Weak magnetic||Weak magnetic|
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