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Tanvir Nickel Alloy is a leading manufacturer of high quality nickel alloy in Cairo, Egypt. We specialize in a wide range of products, providing durable and reliable solutions for projects requiring exceptional raw materials. Our product line includes Permalloy Round Bars, which are known for their excellent magnetic properties and versatility. We are committed to providing high quality, accuracy and customer satisfaction to meet technical requirements, ensuring timely delivery and competitive pricing for all our customers.
Tanvir Nickel Alloys stands out as a top **Permalloy Round Bar Manufacturer in Cairo, Egypt**, recognized for delivering high-quality magnetic alloy bars specifically designed for precision electronic and industrial uses. These round bars are crafted from Permalloy, a nickel-iron alloy celebrated for its remarkable magnetic permeability and low coercivity, making it perfect for environments where magnetic fields are a concern. Tanvir Nickel Alloys guarantees tight dimensional tolerances, a superb surface finish, and consistent material properties in every batch. Their Permalloy round bars find applications in **electromagnetic shielding**, **transformers**, **sensor systems**, and other specialized areas that require stable magnetic performance.
| 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 | – | – | – | – | – | – | – | – |
The Permalloy round bars from Tanvir Nickel Alloys typically contain **about 80% nickel and 20% iron**, a blend that provides excellent magnetic softness and minimal energy loss in alternating magnetic fields. These bars boast **high initial permeability**, **low core loss**, and **low coercive force**, making them perfect for high-frequency and low-signal applications. They also exhibit good ductility and workability, which makes machining and forming a breeze. Offered in various sizes and finishes, these round bars can be supplied in either annealed or cold-drawn conditions, depending on the specific application needs and magnetic requirements.
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Industries that require dependable magnetic performance extensively use Permalloy round bars from Tanvir Nickel Alloys. In the **electronics and telecommunications sector**, they play a crucial role in magnetic shielding, inductors, transformers, and relay components. The **medical industry** incorporates Permalloy in devices like MRI systems, where magnetic precision is vital. In **aerospace and defense**, these bars are utilized in navigation instruments and magnetic field sensors. Additionally, **research labs and scientific equipment manufacturers** depend on Permalloy for experiments that necessitate controlled magnetic environments. Tanvir Nickel Alloys ensures that their products meet the highest standards for performance and reliability.
