Cr20Ni80 Cr15Ni60 Nickel Chromium Alloys Wire

FOB Price:	45.00 - 58.00 USD/Kilogram
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Quick Details

Nichrome Alloy Wire Introduction

Cr15Ni60 is An ideal material, it has good ductility,workability and weldability under high temperature and seismic strength.

Nickel-chromium alloy with high and stable resistance, corrosion resistance, surface oxidation resistance, eXcellent coil-forming ability.

Property:

Not becoming brittle after long-term use and cooling down;
Resistance to oxidation: most metals oxidize quickly and become brittle and break when heated in air. however, when heated to red-hot temperatures, nichrome wire, develops an outer layer of chromium oxide, which is thermodynamically stable in air, is mostly impervious to oxygen, and protects the heating element from further oxidation.
Good Ductility: remaining ductile, even after long-term usage;
Excellent weldability and etc.

Grades:

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(C)		1200	1250	1150	1100	1100
Resistivity at 20C (μΩm)		1.09	1.18	1.12	1	1.04
Density(g/cm3)		8.4	8.1	8.2	7.9	7.9
Thermal conductivity (KJ/mhC)		60.3	45.2	45.2	43.8	43.8
Coefficient of lines expansion(α10-6/C)		18	17	17	19	19
Melting point approx.( 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 magnetic

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