Magnetic Permeability
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://alloyfyi.com/iframe/glossary/magnetic-permeability/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://alloyfyi.com/glossary/magnetic-permeability/Add a dynamic SVG badge to your README or docs.
[](https://alloyfyi.com/glossary/magnetic-permeability/)Use the native HTML custom element.
Add one script tag to your page:
<div data-alloyfyi="glossary" data-slug="magnetic-permeability"></div>
<script src="https://cdn.jsdelivr.net/npm/alloyfyi-embed@1/dist/embed.min.js" defer></script>
Embed as an iframe:
<iframe src="https://alloyfyi.com/iframe/glossary/magnetic-permeability/?style=modern&theme=light" width="420" height="400" frameborder="0" loading="lazy" style="border:0;border-radius:10px;max-width:100%"></iframe>
Paste the URL in WordPress, Medium, or Ghost:
https://alloyfyi.com/zh-hans/glossary/magnetic-permeability/
Web Component:
<alloyfyi-glossary slug="magnetic-permeability"></alloyfyi-glossary>
<script src="https://cdn.jsdelivr.net/npm/alloyfyi-embed@1/dist/embed.min.js" defer></script>
Physical Properties
Definition
A measure of a material's ability to support the formation of a magnetic field within itself, indicating how strongly it responds to an applied magnetic field. Ferromagnetic metals like iron and nickel have high permeability.
Detailed Explanation
Austenitic stainless steels (e.g., 304, 316) are generally non-magnetic in the annealed state due to their face-centered cubic structure, whereas ferritic and martensitic grades are magnetic. Magnetic permeability is important in transformer cores, electric motor laminations, and electromagnetic shielding applications. Cold working can induce martensite in austenitic steels, increasing their magnetic response.