1j79 Soft Strip for Magnetic Head

Product Details
Customization: Available
Classification: 80%
Density: 8.6 g/cm3

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ISO 9001, ISO 9000, ISO 14001, ISO 14000, QC 080000
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Yes
  • 1j79 Soft Strip for Magnetic Head
  • 1j79 Soft Strip for Magnetic Head
  • 1j79 Soft Strip for Magnetic Head
  • 1j79 Soft Strip for Magnetic Head
  • 1j79 Soft Strip for Magnetic Head
  • 1j79 Soft Strip for Magnetic Head
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Basic Info.

Model NO.
1J79
Resisivity
0.92
Curie Point
450 C
State
Soft
Brand
4j6
Saturation Magnetostriction Coefficient
2
Hardness
120~210 Hv
Tensile Strength
560~1030 MPa
Yield Strength
150~980 MPa
Elongation
3~50 %
Use
High Frequency Inductive Components
OEM
Yes
Stock
Seyn
Sample
Free
Transport Package
Export Packing
Specification
Can discuss
Trademark
HUONA
Origin
Shanghai
HS Code
75052200
Production Capacity
50 Ton/Month

Product Description

1J79 Soft Strip for Magnetic Head

Product Description

1J79  (Soft magnetic alloy)
(Common Name: Ni79Mo4, E11c, malloy, permalloy, 79HM) 

High permeability soft magnetic alloy

High permeability soft magnetic alloy mainly nickel base alloy, nickel content is over 75%, this kind of alloy has the very high initial permeability and permeability.Often referred to as permalloy, also known as the early high magnetic conductivity alloy.They all have good processing performance, can be rolled into thin strip.

Soft Magnetic Alloy is suitable for application in the ac weak magnetic field.Such as TV and instrumentation in various audio transformer, the high accuracy bridge transformer, transformer, magnetic shielding, magnetic amplifier, magnetic modulator, audio head, choke, precision electric meter of the piece and piece, etc

1J79 widely used in radio-electronic industry, precision instruments, remote control and automatic control system.

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 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 2.0
Curie point   Tc/ 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
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  1J79
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

Style of supply
Alloys Name Type Dimension  
1J79 Wire D= 0.1~8mm  
1J79 Strip W= 8~390mm   T= 0.3mm
1J79 Foil W= 10~100mm T= 0.01~0.1
1J79 Bar Dia= 8~100mm L= 50~1000

1j79 Soft Strip for Magnetic Head
Soft magnetic alloy are in weak magnetic field with high permeability and low coercive force of alloys.This kind of alloy are widely used in radio electronics, precision instruments and meters, remote control and automatic control system, the combination is mainly used for energy conversion and information processing, the two aspects of is an important material in the national economy.

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