Product Details
3J21 Alloy: High-Nickel Magnetic Material With Excellent
Permeability, Low Core Loss.
3J21 Alloy Product Description
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, such as in transformers, inductors, and
other electronic components.
Chemical 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 Properties:
- Magnetic Permeability: High
- Core Loss: Low
- Saturation Flux Density: ~1.2 T (approximate)
- Curie Temperature: ~500°C (932°F)
Corrosion Resistance:
- Exhibits good resistance to oxidation and corrosion in various
environments, making it suitable for use in harsh conditions.
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 and 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.
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 and performance.
Packaging and Delivery: 3J21 alloy is available in various forms including sheets, strips,
and laminations, and can be customized based on specific
application requirements. It is packaged to prevent damage during
transport and storage.
Company Profile
Main Products
- Stainless Steel
Series304,304L,321,316L,317L,309s,310s,904L,410,420,430,441,409,436,441,439,630
etc.
- Duplex stainless steel series 2205,2507 etc.
- Hastelloy C-276, B-2, C-2000, etc.
- Nickel-based alloy series Inconel625,718,Incoloy825,800H,Monel400,
etc.
- High temperature alloy series GH4169, GH3625, GH3030, GH3044,
GH2747, GH3128, GH4145, GH230, GH163, etc.
- Soft magnetic alloy series 1J85, 4J36, 4J29, 4J33, 1J50, 1J22,
1J85, etc.
- Copper-nickel alloy series NCu40-2-1 plates, tubes, bars, profiles
and forgings.
The company's business philosophy is "integrity, innovation,
service, win-win".
Service commitment: support spectrum detection, attached material
list, product detailed list.
Service tenet: strong strength, high-quality products, low prices,
high-quality services.
Quality policy: stand out with a brand new attitude. Honesty is
more precious than jewelry, and keeping promises is the treasure of
the people.
Based on product quality, we adhere to the eternal principle of
honoring contracts and keeping promises.
All employees of Jiangsu Zhonggong Special Metallurgical Technology
Co., Ltd. are full of confidence. The company will pay more
attention to talent introduction and technological innovation,
always adhere to technological innovation and quality first, serve
domestic and foreign users, keep pace with the times, and create
brilliance together!