• Huona (Shanghai) New Material Co., Ltd.
    Alfred***
    We received the goods, everything went fine. Perfect packaging, good product quality, good price - we are satisfied.
  • Huona (Shanghai) New Material Co., Ltd.
    May***
    The product quality is very good, beyond my expectations, the actual use of fully meet my needs, we will buy again.
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    I bought low expansion alloy from Joy, She is a very responsible lady, Huona's products quality is pretty good.
Contact Person : Roy
Phone Number : +86 18930254719
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1J79 Permalloy Sheet Plate Ni79Mo4 Soft Magnetic Nickel Iron Alloy Plate High Permeability Precision Alloy Sheet for Magnetic Shielding & Transformer Core

Place of Origin Shanghai
Brand Name Huona
Certification ISO9001, SGS, and so on
Model Number 1J79
Minimum Order Quantity negotiation
Price negotiation
Packaging Details Spool + Carton + Wooden Case
Delivery Time 7-20days
Payment Terms T/T
Supply Ability 100 Tons per year
Product Details
Max Continuous Operating Temperature(℃) ≤450 Resisivity(μΩ/cmf,20℃) 60
Density(g/m³) 8.6-8.7 Thermal Conductivity(W/m·K, 20°C) 13.4
Tensile Strength(N/m㎡) 520-690mpa Melting Point(℃) 1400-1435℃
Hardness(Hv) 150-220Hv Elongation(%) ≥30%
Highlight

High Magnetic Permeability

,

Soft Magnetic Alloy

,

Excellent Magnetic Shielding

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Product Description

1J79 Permalloy Sheet/Plate is a high-performance soft magnetic nickel-iron alloy containing approximately 79% nickel, offering excellent magnetic permeability, low coercive force, and low core loss. It is widely used in applications requiring superior magnetic shielding and high magnetic sensitivity. After proper heat treatment, 1J79 exhibits outstanding magnetic properties, making it an ideal material for precision electronic components and electromagnetic devices.

Our 1J79 alloy sheets are manufactured with strict quality control to ensure uniform composition, stable mechanical properties, and excellent processing performance. They are available in a wide range of thicknesses, widths, and customized dimensions to meet different industrial requirements. Surface finishes include cold rolled, hot rolled, bright, polished, and pickled.


1. Chemical Composition:

Ni

78.5-80.0

Mo

3.8-4.1

Fe

Bal

Mn

≤0.5

Si

≤0.3

C

≤0.03


2. Technical  Specifications:

Parameter

Specification

Max continuous Operating Temperature(℃)

≤450

Resisivity(μΩ/cmf,20℃)

60

Density(g/m³)

8.6-8.7

Thermal Conductivity(W/m·K, 20°C)

13.4

Tensile strength(N/m㎡)

520-690mpa

Melting point(℃)

1400-1435℃

Hardness(Hv)

150-220Hv

Elongation(%)

≥30%

 

3. Production Attributes

Product Form

1J79 Plate

Diameter

customization

Surface Finish

Bright, Polished

Packaging Type

Coil, Bundle, Straight Rods

Certification

ISO9001, SGS, and so on

Application Environment

Chemical, Industrial,Home



4.Application

  • Magnetic shielding enclosures and shields
  • Transformer cores and current transformer (CT) cores
  • Precision instrument components
  • Electronic relays and electromagnetic switches
  • Inductors, chokes, and magnetic amplifiers
  • Magnetic sensors and Hall sensor components
  • Pulse transformers and communication equipment
  • Aerospace and defense electronic systems
  • Medical equipment and diagnostic instruments
  • Precision measuring instruments
  • Audio equipment and electromagnetic devices
  • Scientific research and laboratory instruments

5.Key feature

  • High initial and maximum magnetic permeability
  • Low coercive force for excellent soft magnetic performance
  • Low core loss and low hysteresis loss
  • Excellent magnetic shielding capability
  • High magnetic sensitivity and stable magnetic properties
  • Good mechanical strength and ductility
  • Excellent cold forming, stamping, and machining performance
  • Suitable for vacuum annealing to achieve optimum magnetic properties
  • Available in hot rolled, cold rolled, and precision-rolled conditions
  • Custom thicknesses, widths, lengths, and surface finishes available
  • Consistent chemical composition and reliable quality
  • Manufactured according to GB, ASTM, JIS, DIN, or customer specifications

1J79 Permalloy Sheet Plate Ni79Mo4 Soft Magnetic Nickel Iron Alloy Plate  High Permeability Precision Alloy Sheet for Magnetic Shielding & Transformer Core 0