China China Manufacturer for Evanohm - Soft Magnetic Alloy Wire Ni77mo4cu5 – TANKII Manufacture and Factory

China Manufacturer for Evanohm - Soft Magnetic Alloy Wire Ni77mo4cu5 – TANKII

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China Manufacturer for Evanohm - Soft Magnetic Alloy Wire Ni77mo4cu5 – TANKII Detail:

Normal composition%

Ni	75.5~78	Fe	Bal.	Mn	0.3~0.6	Si	0.15~0.3
Mo	3.9~4.5	Cu	4.8~6.0
C	≤0.03	P	≤0.02	S	≤0.02

Typical Mechanical properties

Yield strength	Tensile Strength	Elongation
Mpa	Mpa	%
980	980	2~40

Typical Physical properties

Density (g/cm3)	8.6
Electrical resistivity at 20ºC(Om*mm2/m)	0.55
Coefficient of linear expansion(20ºC~200ºC)X10-6/ºC	10.3~11.5
Saturation magnetostriction coefficient λθ/ 10-6	2.4
Curie point Tc/ ºC	350

The magnetic properties of alloys with high permeability in weak fields
1J77	Initial permeability	Maximum permeability			Coercivity	Saturation magnetic induction intensity
Сold-rolled strip/ sheet. Thickness, mm	μ0.08/ (mH/m)		μm/ (mH/m)	Hc/ (A/m)			BS/ T
	≥			≤
0.01 mm	17.5		87.5	5.6			0.75
0.1~0.19 mm	25.0		162.5	2.4
0.2~0.34 mm	28.0		225.0	1.6
0.35~1.0 mm	30.0		250.0	1.6
1.1~2.5 mm	27.5		225.0	1.6
2.6~3.0 mm	26.3		187.5	2.0
cold drawn wire
0.1 mm	6.3		50	6.4
Bar
8-100 mm	25		100	3.2

Mode of heat treatment
Annealing media	Vacuum with a residual pressure not higher than 0.1Pa, hydrogen with a dew point of not higher than minus 40 ºC.
The heating temperature and rate	1100~1150ºC
Holding time	3~6
Cooling rate	With 100 ~ 200 ºC/ h cooled to 600 ºC, rapidly cooled to 300ºC

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Alloy 230