Soft Magnetic Alloy Ni79mo4 E11c Malloy Permalloy 1j79 Strip/Sheet

Model NO.
1J79
Usage
Pulse Transformers, Relays, Transformer
Coerciveforce
Max.2.0A/M
Curie Point
450oc
Thermal Conductivity
13.4W/M. Oc
Volume Resistivity (20oc)
55ohm.M
Density
8.6 g/cm3
Main Chemical Content
Ni,Fe,Mn,Mo
Transport Package
in Coil, Carton, Wooden Case
Specification
RoHS, SGS
Trademark
Ualloy
Origin
Zhejiang, China
HS Code
72269920
Production Capacity
300tons/Year
Reference Price
$ 28.80 - 31.50

Product Description

Soft magnetic alloy Ni79Mo4 E11c malloy Permalloy 1J79 Strip/sheet

1J79  Common Name: Ni79Mo4, E11c, malloy, permalloy, 79HM
 
Soft magnetic alloy with high initial permeability
Grade 1J79,1J80,1J85,1J86
Size Strip:(0.03-0.1)mm*(180-250)mm
(0.1-1.0)mm*(10-250)mm
(1.0-2.5)mm*(100-250)mm
Wire:0.1-6.0mm
Bar:20-100mm
Features High or very high initial permeability
large permeability, extremely low coercive force, and low saturation magnetic induction.
Application High sensitivity and small power transformers
used in weak magnetic fields, small power magnetic amplifiers, relays, chokes, magnetic heads for magnetic recording devices, magnetic shields, various tape wound cores, cut cores and laminated cores.

Normal composition%

Ni 78.5~80.0 Fe Bal. Mn 0.6~1.1 Si 0.3~0.5
Mo 3.8~4.1 Cu ≤0.2        
C ≤0.03 P ≤0.02 S ≤0.02    
   Typical Mechanical properties
Yield strength Tensile Strength Elongation
Mpa Mpa %
980 1030 3~50
   Typical Physical properties
Density (g/cm3) 8.6
Electrical resistivity at 20 ºC (ohm.mm 2 /m) 0.55
Coefficient of linear expansion ( 20 ºC ~200 ºC ) X10 -6 / ºC 10.3~11.5
Saturation magnetostriction coefficient λ θ / 10 -6 2.0
Curie point    T c / ºC 450
 

The magnetic properties of alloys with high permeability in weak fields
1J79 Initial permeability Maximum permeability Coercivity Saturation magnetic induction intensity
Сold-rolled strip/ sheet.
Thickness, mm
μ 0.08 / (mH/m) μ m / (mH/m) Hc/ (A/m) B S / 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 1100~1150 ºC
Holding time 3~6
Cooling rate With 100 ~ 200 ºC / h cooled to 600 ºC , rapidly cooled to 300 ºC
Soft Magnetic Alloy Ni79mo4 E11c Malloy Permalloy 1j79 Strip/Sheet
Soft Magnetic Alloy Ni79mo4 E11c Malloy Permalloy 1j79 Strip/Sheet
Soft Magnetic Alloy Ni79mo4 E11c Malloy Permalloy 1j79 Strip/Sheet