Our resistance wire(heating wire) used at operating temperatures up to 1200. Its chemical composition gives good oxidation resistance especially under conditions of frequent switching or wide temperature fluctuations.

Applications include heating elements in both domestic and industrial appliances and in control resistors.

Purposes: Ni-Cr materials are widely used in industrial electric furnaces, household appliances and far-infrared devices because of their high temperature strength and strong plasticity.

Alloy Nomenclature/Performance		NiCr8.20	NiCr70 30	NiCr60 15	NiCr35 20	NiCr30 20
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		1200	1250	1150	1100	1100
Resistivity at 20oC (μ Ω · m)		1.09	1.18	1.12	1	1.04
Density (g/cm 3 )		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 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
Micrographic structure		austenite	austenite	austenite	austenite	austenite
Magnetic properties		nonmagnetic	nonmagnetic	nonmagnetic	Weak magnetic	Weak magnetic