Permendur 49 (HIPERCO 50A): The High-Magnetic-Permeability Alloy for Advanced Electrical Systems

In the world of electrical engineering, magnetic materials play a crucial role in the performance of motors, generators, transformers, and other electromagnetic devices. Permendur 49, also known as HIPERCO 50A, is a cobalt-iron alloy renowned for its exceptional magnetic permeability, high saturation flux density, and low core loss—making it the preferred choice for high-efficiency electrical systems.

 
Permendur 49 is composed of 49% cobalt, 49% iron, and 2% vanadium, a formulation that optimizes its magnetic properties. With a saturation flux density of up to 2.45 Tesla, this alloy can generate strong magnetic fields with minimal energy input, making it ideal for high-power applications such as aerospace motors, industrial generators, and magnetic resonance imaging (MRI) machines. Its high magnetic permeability ensures efficient energy transfer, reducing power loss and improving the overall efficiency of electrical systems.
 
Another key advantage of Permendur 49 is its excellent mechanical strength and ductility. Unlike many magnetic alloys that are brittle and difficult to fabricate, Permendur 49 can be easily rolled, stamped, and welded into complex shapes, allowing for the design of compact, lightweight electrical components. Its resistance to corrosion and thermal aging further enhances its durability, ensuring long-term performance even in harsh operating environments.
 
Permendur 49’s versatility extends to the renewable energy sector, where it is used in wind turbine generators and solar power systems. As the demand for clean, sustainable energy grows, the need for high-efficiency magnetic materials has become increasingly important. Permendur 49 helps maximize the output of renewable energy systems, reducing reliance on fossil fuels and lowering carbon emissions.
 
At Changzhou Brilliance Special Steel Co., Ltd., we offer high-quality Permendur 49 in strip, sheet, and coil forms, all manufactured to meet the highest industry standards. Our products are rigorously tested to ensure consistent magnetic performance and mechanical properties, helping our customers develop advanced electrical systems that are efficient, reliable, and sustainable. Whether you’re designing a next-generation electric vehicle motor or a high-power transformer, Permendur 49 is the alloy that delivers the magnetic performance you need to stay ahead of the curve.

Post time: Dec-01-2025