• 1j79 Sheet/ Permalloy Sheet/ E11c Sheet
  • 1j79 Sheet/ Permalloy Sheet/ E11c Sheet
  • 1j79 Sheet/ Permalloy Sheet/ E11c Sheet

1j79 Sheet/ Permalloy Sheet/ E11c Sheet

Product Type: Sheet
Material: Ni-Fe Alloy
Carbon Content: Low Carbon
Width: 50~1000mm
Thickness: 1~5mm
Condition: Bright or Dark
Customization:

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Basic Info.

Model NO.
Ni-Fe Alloy
Transport Package
Waterproof Paper, Wooden Case
Specification
RoHS, SGS
Trademark
Permalloy sheet
Origin
China
HS Code
750620000
Production Capacity
3000 Tons/Year

Product Description

1J79/ Permalloy strip/ E11c Strip

Classification: precision soft magnetic alloy
Supplement: Alloy with high permeability in weak fields at saturation induction 0.65-0.75 T. Alloy 1J79/ permally high squareness of the hysteresis loop and a low coefficient of magnetization reversal
Application: For small cores of transformers, chokes and relays operating in weak fields, magnetic shields. In the small thickness (0.05 ± 0.02 mm) - cores for pulse transformers, magnetic amplifiers and solid state relays

Basic physical constants and mechanical properties of the alloy:
Density: γ = 8,6 g / cm3;
Electric resistivity: ρ = 0,55 ohm mm2 ? / m;
The temperature of the Curie point: Θs = 430 ° C;
Saturation magnetostriction: λS = 2 ? 106;
Brinell hardness of 210/120 HB;
Ultimate: RM = 1030/490 MPa;
Yield strength: σ0,2 = 980 145 MPa;
Modulus of elasticity E = 210 kN / mm2;
Elongation: δ5 = 3/50%;
Relative compression: φ = -%.


Chemical Composition,%:
 

 Ni
78.5 - 80%

Fe
13.73 - 16.8%

C
0.03%

Si
0.3 - 0.5%

Mn
0.6 - 1.1%

S
o 0.02%

P
0.02%

Mo
3.8 - 4.1%

Ti
0.15%

Al
0.15%

Cu
0.2%
 



Heat treatment of the alloy
Annealing Temperature and heating rate Holding time, h Cooling mode
Vacuum with a residual pressure not higher than 10-3 Torr. Art. or pure hydrogen with a dew point of not higher than minus 40 ° C. (1125 ± 25) ° C not higher than 500 ° C / h 3-6 to 600 ° C at a rate not exceeding 200 ° C / h from 600 to 200 ° C at a rate of at least 400 ° C / h


The magnetic properties of the alloy

Type
Class Thickness or diameter, mm Initial permeability Max. permittivity Coercive force Technical saturation induction
mH / m G / E mH / m G / E A/m E (10-4 G)
no less no more no less

cold-rolled strips



1
0,005 8,8 7000 38 30000 8,0 0,10 0,75
0,01 17,5 14000 75 60000 5,6 0,07
0,02 20 16000 88 70000 4,0 0,05
0,05
0,08
20 16000 110 90000 3,2 0,04
  0,10
0,15
25 20000 150 120000 2,4 0,03
Cold rolled sheets and strips 0,20
0,25
28 22000 160 130000 1,6 0,02
0,35
0,50
0,8
1,0
31 25000 190 150000 1,6 0,02
1,5
2,0
2,5
28 22000 160 130000 1,6 0,02
cold drawn wire
hot rolled sheets
0,05
0,10
6,3 5000 50 40000 6,4 0,08
3-22 25 20000 100 80000 3,2 0,04
Bar 8-100 25 20000 100 80000 3,2 0,04
cold-rolled strips 2 0,005 12,5 10000 44 35000 6,4 0,08 0,73
0,01 20 16000 110 90000 3,2 0,04
0,02 25 20000 125 100000 2,4 0,03
0,05
0,08
25 20000 150 120000 1,6 0,02
0,10
0,15
28 22000 190 150000 1,2 0,015
0,20
0,25
31 25000 230 18000 1,2 0,015
0,35
0,5
0,8
1,0

38

30000

280

220000

1,0

0,012
1,5; 2,0 31 25000 230 180000 1,2 0,015
cold-rolled strips 3 0,01 25 20000 150 12000 2,4 0,03 0,73
0,02 31 25000 190 150000 1,6 0,02
0,05 38 30000 250 200000 1,2 0,015
0,10 38 30000 250 200000 1,2 0,015
0,20
0,25
38 30000 280 220000 1,0 0,012
0,35 44 35000 310 250000 1,0 0,012

1j79 Sheet/ Permalloy Sheet/ E11c Sheet
1j79 Sheet/ Permalloy Sheet/ E11c Sheet
1j79 Sheet/ Permalloy Sheet/ E11c Sheet
 

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