Nickel Iron Mesh For Electrical Magnetic High Magnetic Permeability Excellent Corrosion Resistance

Nickel Iron Mesh For Electrical And Magnetic Applications High Magnetic Permeability And Excellent Corrosion Resistance

Nickel-iron mesh is a durable and versatile material made from a nickel-iron alloy, typically comprising around 48% nickel and 52% iron (known as Alloy 42 or NiFe42). This mesh is widely used in industrial and electronic applications due to its unique thermal expansion properties that match glass and ceramic materials. Nickel-iron mesh offers excellent strength, good electrical conductivity, and reliable corrosion resistance, especially in high-temperature or harsh environments. It’s used in sealing glass-to-metal, shielding against electromagnetic interference (EMI), and precision electronic components. With various mesh sizes and weave patterns available, it’s suitable for applications demanding high dimensional stability, precise tolerances, and resistance to mechanical wear.

Definition: 

Mesh count

The number of hole spacing per 25.4mm length along the direction of the hole spacing

Mesh Size- w

Distance between adjacent longitude and latitude wire

Wire diameter- d

The diameter of the wire in the nickel net

Pitch-row p

Distance between centerline of two adjacent wire.

Weaving Type

The way in which the longitude and latitude are interwoven with each other, the nickle network is a square hole network, including plain weave and twill weave two ways

Technical data: 

1 Technical requirements for weaved nickel mesh

    1.1 Technical requirements for nickel wire

         a. Chemical composition Nickel content >99.5%.

         b. Diameter tolerance of nickel wire ±0.005mm

         c. Nickel wire tensile strength >400Mpa, elongation >25%

    1.2 Mesh size and mesh uniformity of nickel mesh conform to GB/T 17492

    1.3 The allowable number of major defects of nickel mesh (holes, cracks, half weft, thin and dense channels, skip wire, loose weft/warp wire, warp loose channels) zero defect.

    1.4 The maximum deviation of the overall size of the nickel mesh is ±0.5%

    1.5 The flatness of the nickel mesh is less than 5mm/2.5m

Dimensions and tolerance

Key Features of Nickel-Iron Mesh:

• High Permeability – Offers excellent magnetic permeability, essential in shielding and magnetic applications.
• Magnetic Properties – Known for good magnetic saturation, useful in transformers and inductors.
• Corrosion Resistance – Provides moderate corrosion resistance in various environments.
• High Strength and Durability – Strong mechanical properties, suitable for industrial and electrical uses.
• Thermal Stability – Maintains performance at elevated temperatures.
• Electrical Conductivity – Good electrical conductivity, beneficial for electronic components.
• Machinability – Can be easily cut, welded, and formed for specific applications.
• Non-Decorative – Typically used for functional purposes rather than aesthetic value.
• Customizable – Available in various mesh sizes and thicknesses to suit specific needs.

Here are common applications of Nickel-Iron Mesh:

• Electromagnetic Shielding — Offers excellent shielding effectiveness in electrical and electronic devices.
• Transformers and Inductors — Used in magnetic cores to enhance magnetic performance and efficiency.
• Magnetic Field Sensing — Integral to sensors and measurement devices for magnetic field detection.
• Aerospace and Defense — Applied in sensitive instrumentation requiring magnetic shielding.
• Precision Instruments — Used in high-precision equipment that requires minimal magnetic interference.
• Medical Imaging (MRI) — Provides shielding for MRI rooms to reduce magnetic field interference.
• Telecommunications — Helps in reducing signal interference in communication devices and equipment.