Nickel-Iron Mesh Versatile Resilient Choice For Corrosive High-Temperature Environments In Industry

Nickel-Iron Mesh Versatile And Resilient Choice For Corrosive And High-Temperature Environments In Industry

Nickel-Iron mesh, also known as Ni-Fe or permalloy mesh, is a wire mesh made primarily from an alloy of nickel and iron. Known for its high magnetic permeability and excellent corrosion resistance, it’s widely used in electrical and magnetic applications, including shielding and transformers. This mesh can also be used in filtration, battery components, and aerospace applications where both strength and conductivity are crucial. Nickel-Iron mesh’s properties include good ductility, high strength, and stable performance under varying temperatures. Available in different weaves and thicknesses, it can be tailored to specific industrial needs. Overall, Nickel-Iron mesh combines durability, magnetic properties, and corrosion resistance, making it a versatile choice for both technical and engineering uses.

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 Strength and Durability — Provides excellent mechanical strength and long service life.
• Magnetic Properties — Highly magnetic, ideal for electromagnetic shielding and transformer cores.
• Corrosion Resistance — Resists oxidation and corrosion in many industrial environments.
• Thermal Stability — Maintains its mechanical properties over a wide temperature range.
• Electrical Conductivity — Conducts electricity well, making it suitable for electrical applications.
• Workability — Can be easily formed, welded, and fabricated into various shapes and sizes.
• Controlled Permeability — Suitable for applications requiring controlled magnetic flux.
• Customizable Mesh Sizes — Available in different wire diameters and weave patterns for diverse needs.
• Non-Toxic and Safe — Suitable for use in sensitive industrial and research environments.

Here are common applications of Nickel-Iron Mesh:

• Electromagnetic Shielding — Effectively blocks electromagnetic interference (EMI) in sensitive electronic equipment.
• Battery Components — Used as a current collector and support structure in batteries, especially nickel-iron (NiFe) batteries.
• Fuel Cells — Acts as a porous electrode or support structure in alkaline and other types of fuel cells.
• Filtration — Utilized for filtering corrosive liquids and gases in chemical processing.
• Aerospace Applications — Employed in shielding and high-strength structures where magnetic properties are advantageous.
• Magnetic Shielding — Provides protection against magnetic fields, useful in scientific instruments and medical equipment.
• Electronics — Incorporated in certain components where controlled magnetic permeability is needed.
• Vacuum Tubes — Utilized in specialized electronics where nickel-iron’s magnetic and thermal properties are beneficial.