Jiangsu Zhonggongte Metallurgical Technology Co., Ltd.
                                                                                                           
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3J21 Alloy High Nickel Magnetic Material 8.4 g/cm3 With Excellent Permeability

Price Negotiable
Price: Price is negotiated based on the required specifications and quantity
MOQ: 100KG
Delivery Time: 5-8 working days, depending on the parameters required for negotiation
Brand: 3J21 alloy
Product Description
3J21 Alloy High Nickel Magnetic Material 8.4 g/cm³ With Excellent Permeability
Key Specifications
Attribute Value
Density 8.4 g/cm³
Thermal Conductivity ~13 W/(m·K)
Yield Strength ~600 MPa (approximate)
Elongation ~25% (approximate)
Hardness ~200 HB (Brinell)
Corrosion Resistance Excellent
Melting Point ~1450°C (2642°F)
Applications Transformers, Inductors, Magnetic shielding
Product Overview
3J21 alloy is a high-nickel, soft magnetic material with excellent magnetic permeability and low core loss characteristics. It is primarily used in applications where high magnetic performance and stability are crucial.
Material Composition
  • Nickel (Ni): 80%
  • Iron (Fe): Balance
  • Other Elements: Trace amounts of impurities and alloying elements
Physical Properties
  • Density: Approximately 8.4 g/cm³
  • Melting Point: Around 1450°C (2642°F)
  • Thermal Conductivity: ~13 W/(m·K)
  • Electrical Resistivity: ~1.2 μΩ·m
Mechanical Properties
  • Ultimate Tensile Strength: ~700 MPa (approximate)
  • Yield Strength: ~600 MPa (approximate)
  • Elongation: ~25% (approximate)
  • Hardness: ~200 HB (Brinell)
Magnetic Characteristics
  • Magnetic Permeability: High
  • Core Loss: Low
  • Saturation Flux Density: ~1.2 T (approximate)
  • Curie Temperature: ~500°C (932°F)
Performance Advantages
  • High magnetic permeability improves efficiency in magnetic circuits
  • Low core loss contributes to energy savings in electronic components
  • Good mechanical properties and corrosion resistance enhance durability
  • Excellent resistance to oxidation and corrosion in various environments
Industrial Applications
  • Transformers: Used in transformer cores due to its high magnetic permeability and low core loss
  • Inductors: Ideal for high-performance inductors requiring stable magnetic properties
  • Magnetic Shielding: Employed in applications needing effective magnetic shielding and containment
Fabrication & Processing
3J21 alloy can be processed using conventional methods such as stamping, machining, and heat treatment to achieve desired magnetic and mechanical properties. It is often used in thin-sheet form or as laminations to reduce eddy current losses.
Product Image
3J21 Alloy high nickel magnetic material sample

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Company Jiangsu Zhonggongte Metallurgical Technology Co., Ltd.
Location New South Stainless Steel Trading Market, Fangcheng Avenue, Wuxi City, Jiangsu Province, 12-101.
Contact Person John zhou

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