Xiamen Un Magnet Co.,Ltd.
                                                                                                           
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High Hcj Alnico Permanent Magnet Strong Block Magnets For Measuring Instrument

Price Negotiable
Price: As negotiation
MOQ: 100pcs
Delivery Time: 20-25days
Brand: UNMAG
Product Description
High Hcj Alnico Permanent Magnet Strong Block Magnets For Measuring Instrument
Product Specifications
Attribute Value
Magnetization Direction Axial, Radial, Multi-poles
Material Cast Alnico
BHmax 1.13-9 MGOe
Tolerance ±0.05mm
Grade Alnico 5,8 Is Normally Used
Hcj ≥30 KA/m
Max Operating Temperature 550℃
Application Generator, Microphone, Measuring Instrument
Product Overview
Alnico permanent magnets are high-performance magnets made from cast Alnico alloy, offering superior magnetic properties including a high BHmax of 1.13-9 MGOe and precise tolerance of ±0.05mm. These magnets are available in various magnetization directions (axial, radial, and multi-poles) and are ideal for demanding applications in generators, microphones, and measuring instruments.
Key Features
  • High coercive force (Hcj ≥30 KA/m)
  • Excellent temperature stability (up to 550℃)
  • High residual induction and energy product
  • Available in standard grades Alnico 5 and 8
  • Multiple magnetization directions available
  • Precision tolerance (±0.05mm)
Technical Parameters
Parameter Name Value
Curie Temperature 760 ~ 890℃
Max. Operating Temperature 450 ~ 550℃
Resistivity 47 ~ 54 μ Ω.cm
Hardness 520 ~ 630 HV
Density 6.9 ~ 7.3 g/cm³
Relative Recoil Permeability 1.7 ~ 4.7 μrec
Saturation Field Strength 2.7 ~ 6.3 kOe / 215~500 kA/m
Temperature Coefficient of Br -0.025 ~ -0.02%/℃
Temperature Coefficient of iHc +0.01 ~ +0.03 %/℃
Applications
Our Alnico permanent magnets are widely used in aerospace, automotive, medical, and telecommunication industries. They are also implemented in consumer electronics, instrumentation, robotics, and various industrial applications requiring reliable magnetic performance in demanding environments.
Customization Options
We offer custom Alnico magnet solutions tailored to your specific requirements. Our manufacturing capabilities include various shapes, sizes, and grades (including Alnico 5 and 8) with magnetization directions to match your application needs.
Packaging & Shipping
Magnets are securely packed in steel drums, cardboard boxes, or wooden cases. We offer flexible shipping options via air, land, or sea to meet your logistics requirements. Standard delivery time is 25-30 days.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Xiamen Un Magnet Co.,Ltd.
Location Room 503,Building C,No.319,Hubin East Road,Xiamen,China
Contact Person Sales Department

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