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Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co.,Ltd
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Sheet of Soft Magnetic Alloy 1J79 / Permalloy for Transformer Core and Electromagnetic clutch

Product Details

Place of Origin: China

Brand Name: China - Permalloy

Certification: ISO 9001 and RoHS

Model Number: 1J79 / Ni79Mo4 / 79НМ / Permalloy

Payment & Shipping Terms

Minimum Order Quantity: 25KG

Price: USD 31~60/ KG

Packaging Details: Waterproof paper and Wooden Case

Delivery Time: 4-8 weeks

Payment Terms: T/T, Western Union, L/C, Paypal

Supply Ability: 10000KG per month

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Specifications
Highlight:

soft magnetic alloy

,

precision tubing

Shape:
Sheet
Condition:
Soft Or Hard
Standard:
GBn198-88 / ГОСТ 10994-74
Weight:
15~40 KG
Machining:
For Stamping
Feature:
Small Magnetostrictive Coefficient
Shape:
Sheet
Condition:
Soft Or Hard
Standard:
GBn198-88 / ГОСТ 10994-74
Weight:
15~40 KG
Machining:
For Stamping
Feature:
Small Magnetostrictive Coefficient
Description
Sheet of Soft Magnetic Alloy 1J79 / Permalloy for Transformer Core and Electromagnetic clutch

Sheet of Soft Magnetic Alloy 1J79 for Transformer Core

 

 

Specifications

Grade

1J79- Strip

Thickness

0.1~10mm

Width

20~500mm

Weight of coil

2-50 kgs

Condition

Soft or Hard

 

Chemical composition(%)

 

Grade

C

Si

Mn

P

S

Ni

Cr

Mo

Fe

1J79

≤0.03

0.3~0.5

0.6~1.1

≤0.02

≤0.02

78.5~80

-

3.8~4.1

Bal.

 

Physical properties

  • Density (g/cm3): 8.6
  • Curie point (℃): 450
  • Electrical resistivity (μΩ*cm): 55 (20℃)
  • Thermal conductivity ( W/m. ℃): 13.4

 

Magnetic properties

  • Initial permeability μ0 (mH/m): ≥40
  • Maximum permeability μm (mH/m): ≥310
  • Coercivity Hc (A/m): ≤2.0
  • Saturation magnetic induction Bs (T): 0.73

1J79 alloy saturation magnetic induction Bs≥0.75T, Curie point ℃ = 450, Resistivity (μΩ • m) = 0.55; having small Magnetostrictive coefficient, Easy permeability, Fast demagnetization, small Coercive force, Low eddy loss, be used covering frequency, medium to high frequencies over the entire frequency range, Products include: strip, sheet, bar, wire and foil.  Mainly used for switching power transformers, Precision transformer, Leakage switch transformer, Magnetic shielding, Yoke and weak magnetic field applied high sensitivity small power transformer zero-sequence power transformer, Low-power magnetic amplifiers, high frequency power.

 

Application: Pulse transformer, Relays, Transformers, Magnetic amplifier, Electromagnetic clutch, Choke core and magnetic shielding, Automotive sensors.

 

 

 

We can control the temperature of the heat treatment in order to achieve customer requirements permeability.

 

 

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