nickel chrome steel alloy

1.Pass: ISO9001 certification 2.fine after-sale services 3.small order accepted 4.samples available 5.short delivery time

We are one of the greatest professional manufacturers of resistance heating alloy in China for many years, specializing in Ferro-Chrome(Fe-Cr-Al) wire, Nickel-Chrome(Nichrome) wires, Copper Nickel (Constantan) wires, different heaters and related products in alloys tailored to meet specific customer requirements.

Specifications:

Round wire from SWG 0 TO SWG 50 (Dia 0.0254mm-10.973mm).

Ribbon/strip: Thickness 0.04mm-0.75mm; Width 0.08mm-6.0mm

Different heaters: coil heater,sun-like heaters,radiant heaters, ceramic heaters

 

Nickel-chromium, nickel-chromium alloy with high and stable resistance, corrosion resistance, surface oxidation resistance is good, a better under high temperature and seismic strength, good ductility, good workability and weldability, is widely used in industrial electric furnace, metallurgy, household appliances, machinery manufacturing, heating element and resistor varistor other material

Main characteristics of electric heating alloys (GB/T1234-95)

Alloy Nomenclature		Cr20Ni80	Cr30Ni70	Cr15Ni60	Cr20Ni35	Cr20Ni30
Performance
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 (μΩ·m)		1.09	1.18	1.12	1	1.04
Densit  (g/cm3)		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 ( ºC) (approx.)		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

 

nickel chrome steel alloy