China Low Expansion Alloy Wire 4j50 Nickel Iron Alloy 52 / Feni52 Coils Wire Manufacture and Factory

Low Expansion Alloy Wire 4j50 Nickel Iron Alloy 52 / Feni52 Coils Wire

Short Description:

Model NO.: FeNi52

Curie Point: 520

State: Soft

Chemical Composition: FeNi52

Surface: Bright

Origin: Shanghai China

HS Code: 75052200

Production Capacity: 50 Ton/Month

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Iron nickel alloy is obtained at a given temperature range by adjusting the content of nickel internal energy and the expansion coefficient of different soft glass and ceramic matching a series of expansion alloy, its expansion coefficient and the Curie temperature increases with the increase of nickel content.The assembly is widely used in electric vacuum industry the sealing structure of the material

Chemical Composition in %, Invar

brand	Chemical composition
	Ni	Fe	C	P	Si	Co	Mn	Al	S
	Ni	Fe	≤
4j42	41.5~42.5	Bal	0.05	0.02	0.3	-	0.80	0.10	0.02
4j45	44.5~45.5	Bal	0.05	0.02	0.3	-	0.80	0.10	0.02
4j50	49.5~50.5	Bal	0.05	0.02	0.3	1.0	0.80	0.10	0.02
4j52	51.5~52.5	Bal	0.05	0.02	0.3	-	0.60	-	0.02
4j54	53.5~54.5	Bal	0.05	0.02	0.3	-	0.60	-	0.02

Basic physical constants and mechanical properties of the alloy:

brand	Thermal conductivity	Specific heat capacity	Density	Electric resistivity	Curie point
4j52	16.7	502J	8.25	0.43	520

Typical expansion character(10 -6 / ºC )
Temperature range	20~100	20~200	20~300	20~350	20~400	20~450	20~500	20~600
Expansion coefficient	10.3	10.4	10.2	10.3	10.3	10.3	10.8	11.2