Hemi Metals, a reliable manufacturer and supplier located in Hamilton, New Zealand, specializes in high-quality Mu Metal Bars and Rods that are crafted for outstanding magnetic shielding performance. With a strong focus on precision engineering and rigorous quality control, the company provides products that meet the high standards of the electronics, power distribution, and scientific sectors. Hemi Metals is dedicated to ensuring consistency, reliability, and exceptional material purity, making their Mu Metal solutions perfect for sensitive environments. Their expertise, combined with a customer-centric approach, allows them to offer customized Mu Metal Bars and Rods that cater to advanced technological needs both in New Zealand and around the globe.
Mu Metal Bars and Rods are primarily made from a high-nickel alloy, usually containing about 75–80% nickel, along with iron and trace amounts of copper, chromium, or molybdenum to improve stability. This unique alloy composition provides remarkable magnetic permeability and low coercivity, which allows for efficient magnetic flux absorption. On the mechanical side, Mu Metal boasts moderate strength, good ductility, and ease of shaping when properly annealed. These characteristics ensure excellent shielding effectiveness, making Mu Metal an ideal choice for precision components that require minimal magnetic interference and consistent material performance.
| Standards : | — |
| Size Range : | 0.015″ Thk up to 2″ Thk |
| Thickness : | Range from .008″ to .0125″ |
| Length : | 2m, 2.44m, 3m, or as required |
| Width : | 10-2500mm |
| Grade | C | Ni | Mo | I | Si | Mn |
| MU Metal | 0.02 max | 80.0-80.0 | 4.20 max | Balance | 0.35 max | 0.50 max |
| Grade | Density | Electrical Resistivity | Specific Heat | Tensile Strength | Specific Heat |
| MU Metal | 8.74 g/cm3 | 0.0000580 ohm-cm | 0.494 J/g-°C | 620 MPa (Ultimate) / 228 MPa (Yield) | 0.494 J/g-°C |
Yes, Mu Metal bars are recyclable. They are made of a high-purity nickel-iron alloy, which can be melted down and reused in various industrial applications, reducing waste and environmental impact.
Mu Metal bars can be welded, but it is challenging due to their high magnetic permeability and low melting point. Special techniques and care are needed to prevent distortion or loss of properties.
Mu Metal rods are typically available in sizes ranging from 0.125 inches to 4 inches in diameter. Finishes include annealed, cold worked, and polished, depending on the specific requirements.
Mu Metal Bars and Rods find extensive use in applications that demand superior magnetic shielding, especially in environments sensitive to low-frequency magnetic fields. They play a crucial role in transformer cores, MRI machines, audio equipment, precision instruments, and shielding enclosures for electronic circuits. In laboratories and research settings, Mu Metal components help reduce magnetic distortion, ensuring accurate measurements. They are also utilized in aerospace navigation systems, power generation equipment, and telecommunications devices. Thanks to their high permeability and stability, Mu Metal Bars and Rods are essential for protecting sensitive technologies.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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