1.conductor material:Cr20Ni80 2.conductor type:solid 3.size:0.3-8mm 4.temperature:1200C 5.certification:ISO9001-2008

Waved nickle chrome  electric furnace heating wire

detail products description

1.conductor material:Cr20Ni80 2.conductor type:solid 3.size:0.3-8mm4.temperature:1200C5.certification:ISO9001-2008

feather & application

*  Chrome material have high temperature strength, high plasticity

* Widely used in industrial furnace, household appliances, far-infrared device

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
	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	Rest	Rest	Rest
Max. continuous service temp. of element(º C)		1200	1250	1150	1100	1100
Resistivity at 20º C (μ Ω · m)		1.09	1.18	1.12	1.0	1.04
Density(g/cm3)		8.40	8.10	8.20	7.90	7.90
Thermal conductivity (KJ/m· h· º C)		60.3	45.2	45.2	43.8	43.8
Coefficient of lines expansion(α × 10-6/º C)		18.0	17.0	17.0	19.0	19.0
Melting point approx. ( º C)		1400	1380	1390	1390	1390
Elongation at rupture(%)		> 20	> 20	> 20	> 20	> 20
Micrographic structure		austenite	austenite	austenite	austenite	austenite
Magnetic properties		nonmagnetic	nonmagnetic	Weak magnetic	Weak magnetic	Weak magne

picture

Waved nickle chrome electric furnace heating wire