Home > Permalloy Round Bar
Aisha Nickel Alloys, located in Muscat, Oman, is a reputable manufacturer and supplier of **Permalloy round bars** designed for high-performance magnetic and electrical applications. By utilizing cutting-edge metallurgy and precise fabrication techniques, the company produces round bars that adhere to strict quality standards and consistently perform well in challenging environments. With a strong emphasis on durability, customization, and prompt delivery, Aisha Nickel Alloys caters to a variety of industries, including electronics, instrumentation, and power generation. Their expertise in specialty alloys has established them as a go-to supplier in Oman, offering Permalloy round bars that deliver exceptional magnetic performance, precise dimensions, and long-lasting reliability.
Permalloy Round Bar made primarily of 78% nickel and 21% iron, with small amounts of other elements such as copper and molybdenum. This unique design provides excellent magnetic permeability and low restrictions. Mechanical properties include high tensile strength, good ductility and corrosion resistance. Permalloy Round Bars offer advantages such as high magnetic saturation, low hysteresis losses, and excellent performance in magnetic applications. These strips are ideal for use in transformers, magnetic shield and sensors, providing efficient power conversion and minimal signal interference for electronic devices.
| Standards : | — |
| Thickness : | Range from .008″ to .0125″ |
| Hardness : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Form : | Round Bar, Wire |
| Tungsten Grades | HA 190 / HA 1925 / HA 195 / HE 390 / HE 3925 / HE 395 / HE 397 |
| C | P | S | Mn | Si | Ni | Cr | Co | Mo | Cu | Fe | |
| 1J46 | ≤0.03 | ≤0.02 | ≤0.02 | 0.6-1.1 | 0.15-0.30 | 45-46.5 | – | – | – | ≤0.2 | Balance |
| 1J50 | ≤0.03 | ≤0.02 | ≤0.02 | 0.3-0.6 | 0.15-0.30 | 49-50.5 | – | – | – | ≤0.2 | Balance |
| 1J79 | ≤0.03 | ≤0.02 | ≤0.02 | 0.6-1.1 | 0.30-0.50 | 78.5-81.5 | – | – | 3.8-4.1 | ≤0.2 | Balance |
| 1J85 | ≤0.03 | ≤0.02 | ≤0.02 | 0.3-0.6 | 0.15-0.30 | 79-81 | – | – | 4.8-5.2 | ≤0.2 | Balance |
| Grade | Resisitivity (μΩ•m) | Desinty (g/cm3) | CuriePoint℃ | HighSaturatedmagneto-strictioncoefficient λθ/10-6 | Brinellhardness HBS | σbTensile Strength MPa | σsYieldStrength MPa | Elongation (%)δ | ||||
| unan- nealed | an- nealed | unan- nealed | an- nealed | unan- nealed | an- nealed | unan- nealed | an- nealed | |||||
| 1J46 | 0.45 | 8.2 | 400 | 25 | 170 | 130 | 735 | 735 | 3 | |||
| 1J50 | 0.45 | 8.2 | 500 | 25 | 170 | 130 | 785 | 450 | 685 | 150 | 3 | 37 |
| 1J79 | 0.55 | 8.6 | 450 | 2 | 210 | 120 | 1030 | 560 | 980 | 150 | 3 | 50 |
| 1J85 | 0.56 | 8.75 | 400 | 0.5 | – | – | – | – | – | – | – | – |
These Permalloy round bars are crafted from **nickel-iron soft magnetic alloys**, typically containing nickel levels between 35% and 81%, often enhanced with elements like molybdenum or copper to improve properties such as resistivity and permeability. Known for their **remarkably high magnetic permeability, low coercivity, and minimal core loss**, these bars are perfect for applications involving magnetic cores, shielding, transformers, and inductors. While the alloy’s mechanical properties are well-balanced for easy processing, its true value lies in its outstanding magnetic characteristics, stable performance across temperature variations, and excellent formability for precision applications. ([Nickel Iron Alloy Core][1])
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Aisha Nickel Alloys’ Permalloy round bars find extensive use in the **electrical and electronic sectors, precision instrumentation, power transformers, magnetic shielding, and sensor systems**, where efficient magnetic flux conduction and minimal energy loss are essential. They are particularly suited for applications like magnetic cores in transformers and inductors, components for magnetic shielding that either block or direct magnetic fields, and specialized electromagnetic devices used in aerospace and communications technology. By merging high magnetic performance with dependable structural integrity, Permalloy round bars guarantee efficiency and reliability in various applications.
