Cut to Your Specifications - Premium Magnetic Shielding Stock

For decades, MuShield has supported manufacturers, OEMs, and engineering teams with high-quality magnetic shielding stock. Whether you are fabricating shields in-house or require specialty alloys for precision components, MuShield provides a reliable supply chain, expert technical support, and the industry’s most trusted shielding materials.

We offer high, medium, and low permeability magnetic alloys in multiple forms — ready for stamping, punching, bending, machining, and welding. Once your components are fabricated, MuShield can perform final annealing to fully restore magnetic properties, ensuring top-tier performance.

Contact us today at info@mushield.com or 603-666-4433 and let’s work together to find your magnetic shielding solution!

Material + Alloys

Magnetic Shielding Alloys
(Including ASTM A753 MuMetal Alloys 1–4):

  • mumetal® IAW ASTM A753
  • Cryoperm, Cryophy and other equivalent Cryogenic magnetic shielding alloys
  • Hiperco® 50
  • Low-carbon steels
  • Nickel-iron alloys
  • Silicon irons

Other Industry-Standard Alloys:

  • Aluminum & aluminum alloys
  • Brass
  • Copper
  • Hastelloy®
  • High-temperature alloys
  • Inconel
  • Stainless steel
  • Tantalum

Materials Per Spec

MATERIALS PER SPEC ASTM A753

Can Be Offered in the Following Forms
SHEET Thicknesses Available .010”, .014”, .020”, .025”, .030”, .040”, .050”, .062”, .125” Custom thicknesses available upon request
COIL Thicknesses In Stock .002”, .004”, .006”, .010”, .014” Custom thicknesses available upon request
Round Bar Standard Diameters Available .250”, .500”, 1.00”, 1.50”, 1.88” Custom diameters available upon request
Flat Bar Custom diameters available upon request
Wire Custom diameters available upon request

Why Source Your Materials from MuShield?

✔ Engineering-grade magnetic alloys
Certified to the ASTM A753 standard and trusted across mission-critical industries.

✔ Cut-to-size manufacturing stock
Custom blanks, coils, rod, wire, and bar sizing based on application needs.

✔ Pre- and Post-Fabrication Expertise
Consume stock for fabrication, then return shields to MuShield for annealing.

✔ Six decades of shielding experience
With over 60 years behind us, MuShield understands how shielding metals behave, how they form, and how to maintain permeability performance during manufacturing.

Engineering-Grade Magnetic Alloys

Certified to the ASTM A753 standard and trusted across mission-critical industries.

Our raw materials support manufacturers in:
  • Electromagnetic shielding
  • Cryogenic systems
  • Scientific and laboratory instrumentation
  • Aerospace and Defense electronics
  • Medical imaging and diagnostics
  • Sensitive sensor housing
  • Magnetic field remediation

Whether you need engineered coil thickness, precision-cut blanks, custom tube diameters, or alloy consultation, our team is ready to help.