Home > Permalloy Sheets and Plates
Okoye Nickel Alloys, located in Kinshasa, Congo, stands out as a top manufacturer and supplier of high-quality Permalloy sheets and plates. Known for their precision engineering and outstanding material performance, this company serves industries that rely on advanced magnetic and electronic components. With cutting-edge production facilities and rigorous quality control measures, Okoye Nickel Alloys guarantees that every sheet and plate adheres to international standards. Their dedication to innovation, durability, and reliability has made them a trusted partner for clients throughout Africa and beyond, providing materials that support state-of-the-art applications in electronics, telecommunications, and magnetic shielding technologies.
Permalloy sheets and plates are mainly composed of nickel (about 80%) and iron (20%), with small amounts of other elements such as chromium and molybdenum for high strength They exhibit good magnetic permeability, electricity high resistance and low binding properties, leading to applications in the power and electrical industries Models are excellent in mechanical Properties including tensile effort, . ductility, and hardness. The advantages of permalloy sheets and plates include improved magnetic strength, reduced power losses in transformers, greater corrosion resistance and better performance in sensitive devices requiring precise magnetic control.
| Standard Specification : | |
| Dimensions : | – |
| Sheets Thickness : | Range from .008″ to .0125″ |
| Plates Thickness : | Ranges from .0125″ to 5.00″ |
| Sheets/Plates Width : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Sheets/Plates Length : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Tempers : | Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard |
| Hardness : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Value Added Service : | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo | Fe |
| 1J50 | 0.010 | 0.17 | 0.35 | 0.006 | 0.005 | 49.80 | 0.02 | —— | Bal |
| 1J79 | 0.010 | 0.38 | 0.85 | 0.005 | 0.003 | 79.50 | 0.02 | 3.95 | Bal |
| 1J85 | 0.010 | 0.18 | 0.35 | 0.005 | 0.003 | 80.30 | 0.02 | 4.95 | Bal |
The Permalloy sheets and plates from Okoye Nickel Alloys are primarily made up of 80% nickel and 20% iron, with carefully controlled trace elements added to boost magnetic permeability. This alloy showcases remarkable soft magnetic properties, low coercivity, and high magnetic saturation. On the mechanical side, the sheets and plates are both ductile and strong, allowing for precise forming and machining without sacrificing performance. They also boast excellent corrosion resistance, dimensional stability, and fatigue strength, making them perfect for long-term use in demanding industrial and electronic settings, all while maintaining consistent magnetic performance across various operating conditions.
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The Permalloy sheets and plates produced by Okoye Nickel Alloys find extensive use in applications that demand exceptional magnetic performance. They’re commonly found in transformers, magnetic shielding, inductors, and sensors, where they enhance electromagnetic compatibility and efficiency. Thanks to their high permeability and low coercivity, Permalloy is perfect for electronic devices, precision instruments, and audio equipment. Moreover, these sheets and plates are crucial in research laboratories and telecommunications systems, where reliability is key.