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0.02m Thickness 1J79 Soft Magnetic Alloys Strip Super Permalloy

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0.02m Thickness 1J79 Soft Magnetic Alloys Strip Super Permalloy

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Model Number : 1J79

Place of Origin : China(Shanghai)

MOQ : 5kg

Price : negotiable

Supply Ability : 100kg/month

Packaging Details : in coil

Brand Name : OHMALLOY

Certification : ISO,SGS

Material : soft magnetic alloy

Thickness : 0.02mm

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Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy.

Ohmalloy Material Co.,Ltd have a full production line from melting, surface cleaning, rolling and slitting, full set of testing machine and can meet all kinds of technical requirement from customer. Our product is widely used in heating equipment, big steel mill, mineral, electrical equipment, food machinery, auto industry, aerospace industry. Our product not only is popular in domestic market, but also been exported to all over the world.

0.02m Thickness 1J79 Soft Magnetic Alloys Strip Super Permalloy

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 propertie

Density (g/cm3) 8.6
Electrical resistivity at 20℃(Ωmm2/m) 0.55
Coefficient of linear expansion(20℃~200℃)X10-6/℃ 10.3~11.5
Saturation magnetostriction coefficient λθ/ 10-6 2.0
Curie point Tc/ ℃ 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 ℃.
The heating temperature and rate 1100~1150℃
Holding time 3~6
Cooling rate With 100 ~ 200 ℃/ h cooled to 600 ℃, rapidly cooled to 300℃

Style of supply

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

Product Tags:

super permalloy

      

magnetic steel alloys

      
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