Cr30Ni70 Nichrome Alloy Wire,
Hydrogen Annealing Nichrome Alloy Wire,
High Resistivity Nichrome Alloy Wire
High Resistivity Hydrogen Annealing Cr30Ni70 Nichrome Alloy Wire
Nickel Chromium alloys are medium to low resistance materials typically used in applications with maximum operating temperatures up to 1,200°C .
Nickel Chromium wire has high resistivity, good surface oxidation resistance, high temperature level, and high strength at high temperatures, good processing performance and weldability. Can be widely used in metallurgy, household appliances, machinery manufacturing and other heating components and electrical industry as resistance materials. Long service life.
|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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