Nickel Chromium Wire

Specifications electric heating wire Ni80Cr20

heating wire(Nickel wire)

Diameter: 0.01-16mm

  wire rolled in spool(under 1mm) diameter more than 1mm   in carton box   Finally in wooden box   chemical Composition: Cr: 20-23 Fe less than 1.0 Ni balance   Melting point: about 1400 C Resistiiuity: 1.09 Density:8.4g/cm3  

Main performance of Ni-Cr and Ni-Cr-Fe electric heating alloys
Grade                                          property performance		Cr20Ni80	Cr30Ni70	Cr15Ni60	Cr20Ni35	Cr20Ni30
% Main Chemical Composition	Ni	Balance	Balance	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	Balance	Balance	Balance
°C Max contimnous service Temp. of element		1200	1200	1150	1100	1100
Resistiuity		1.09	1.09	1.12	1	1.04
g/cm3 Density		8.4	8.4	8.2	7.9	7.9
KJ/M.h°C    Thermal conductivity		60.3	60.3	45.2	43.8	43.8
Coefficient of linear expansion		18	18	17	19	19
Melting point≈ °C (approxi)		1400	1400	1390	1390	1390
% Elongation		720	720	720	720	720
Micrograhic structure		austenite	austenite	austenite	austenite	austenite
Magnetic property		nonmagnetic	nonmagnetic	nonmagnetic	nonmagnetic	nonmagnetic