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MuMETAL® Manufacturers and Companies

IQS Directory is a top industrial directory listing of leading industrial MuMETAL® manufacturers and suppliers. Utilize our website to review and source MuMETAL® manufacturers with preview ads and detailed product descriptions. These MuMETAL® companies can design, engineer and manufacture MuMETAL® to your specifications and application need. A quick and easy to use request for quote form is provided for you to contact these MuMETAL® manufacturers and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. Read customer reviews and product specific news articles. We are the right resource for your information requirement whether its for a manufacturer of MuMETAL® sheet or MuMETAL® tape.

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Magnetic Shield Corp.

Our MuMETAL® alloy recognized as the "industry standard" provides very high magnetic permeability and the highest possible attenuation available in sheet and foil forms. Co-NETIC® and NETIC® specialty alloys are also widely specified by OEM, Design, and Electrical Engineers because each of these material types are all field proven scientifically to be the materials of choice for low-frequency magnetic shielding. Our proprietary brand, MuMETAL® meets MILSPEC 14411C, composition 1.

MuMETAL® is generally available for custom shield fabrication and our "Perfection Annealing" process is required after welding, forming or bending.

We offer additional MuMETAL® products: NEW MuMETAL® Shielding Cans, NEW MuMETAL® Toroidal Cores, MuMETAL® Zero Gauss Chambers, and our NEW "MuRoom®" wall shielding capabilities, supplied to worldwide markets. Recently in 2016, we began offering MuMETAL® Deep Draw Annealed Coil, and MuMETAL® Round Bar. NEW: All three lab kit options in our catalog now contain MuMETAL® samples; our highest permeable alloy. View our website for more details.

http://www.magnetic-shield.com | shields@magnetic-shield.com | Phone: 888-766-7800

740 N. Thomas Drive    Bensenville, IL 60106



NEW MuMETAL® Shielding Cans

 

mumetal cans

NEW MuMETAL® Toroidal Cores

 

mumetal cores

NEW “MuRoom®” Wall Shielding –

Magnetic Shielding For a Low Field Work Space

mumetal room

MuMETAL® Deep-Drawn Cans are stamped or formed in either round or rectangular shapes. Our standard stock range and custom sizes of magnetic Shielding Cans are available in a range of thicknesses and made from various MuMETAL®, Co-NETIC® or NETIC®  shielding alloys depending on your exact shielding requirements.

Learn more…

Magnetic Shield Corporation supplies tape-wound MuMETAL® Toroidal Cores to industries requiring High Metering Accuracy (HMA) current transformer cores.  We offer wound cores with a range of inside and outside diameters using MuMETAL® foil thicknesses.

Ask our engineering department for exacting specifications of our high permeability (µ) 80% nickel-iron MuMETAL® Cores.  Our technical expertise and drawing review input can help expedite your design process.

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We design and build both modular “MuRooms®” and Custom MuRooms® based upon each customer’s unique application to create a low field environment.  One of our specialty high permeability and high attenuation alloy materials may be specified and employed for construction; either MuMETAL® Sheet with Perfection Annealing applied or our stock Co-NETIC® AA Perfection Annealed Sheet. 

Our Engineer will provide an efficient solution to mitigate the electro-magnetic interference that is occurring in your critical application.

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NEW MuMETAL® Alloy Samples Added to Evaluation Lab Kits

 

mumetal evaluation lab kits

NEW MuMETAL® Deep Draw Annealed Coil

 

mumetal deep draw annealed coil

NEW MuMETAL® Round Bar

 

mumetal round bar

Our Lab Kits contain a variety of MuMETAL®, Co-NETIC®, and NETIC® alloy samples for testing and evaluation. Layers of material from a Lab Kit can be added until the unwanted field is reduced (attenuated) to the desired level. Use our Lab Kits, Meters & Probes to prototype shielding with everyday common hand-tools, or bench- top and model-shop equipment. A Gaussmeter is included in our combo lab kit LK-110-IS. Three Lab Kit options are available. Learn more…

MuMETAL® is used primarily in low intensity fields where high attenuation is desired (high initial permeability & high shielding efficiency). MuMETAL® Deep Draw Coil is available for stamping and forming of shielding cans. Typically, atmospherically controlled Perfection Annealing is required after stamping, deep drawing, machining, bending, rolling or welding to provide maximum shielding performance.

MuMETAL® Deep Draw Coil supply is stocked in gauges from 0.014" to 0.025" thickness [0,36mm to 0,64mm] and 12” wide. Coil can be slit to your tooling width at a minimum width of 1/4" (6,35mm).

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MuMETAL® Round Bar is primarily used for machined or forged components like current sensors, high precision current transformer cores, ground fault circuit breaker (relay parts), or any other applications requiring precision machined, high permeability soft magnetic alloy, with a low coercive force and low losses, in the range from 0-100 kHz. Typically, atmospherically controlled Perfection Annealing is required after machining, forming, forging, or welding to provide maximum shielding performance.

Our MuMETAL® Round Bar is stocked in diameters from 0.250" to 8.17" [6,35mm to 207,5mm]. Custom diameters and lengths are available upon request.

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MuMETAL® Stress Annealed Sheet
MuMETAL® Foil
MuMETAL® Cylindrical Cans | Rectangular Cans
MuMETAL® Toroidal Cores
MuMETAL® Zero Gauss Chambers
MuMETAL® MuRoom®



Magnetic Shield Corporation – MuMETAL®
Magnetic Shield Corporation
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MuMETAL® vs. A/C Power Panel with Gaussmeter
EF-401 - EMI Shielding Solutions (low frequency)

 
Industry Information

MuMETAL®

MuMETAL® is used primarily in low intensity fields where high attenuation, high initial permeability and high shielding efficiency are desired. Available as stress annealed (partially annealed for ease of machinability) sheet stock is used for fabricated shields such as enclosures, cylinders, cans, channels or 3D boxes. Typically, atmospherically controlled annealing is required after stamping, machining, bending, rolling or welding to provide maximum shielding performance. MuMETAL® Stress Annealed alloy is available in many forms, but most shields are fabricated from our sheet stock in gauges from .014" to .062" thickness [0,36mm to 1,57mm]. MuMETAL® Foil is fully annealed and available in stock guages from .002" to .010" thickness [0,05mm to 0,25mm].

MuMETAL® is typically stocked in a stress annealed state to allow further fabrication, stamping, severe forming or welding. During fabrication, a material’s grain structure is weakened. After final fabrication processes are completed, grain structure is then modified by controlled atmospheric annealing to relieve stress in the material, resulting in larger grain structure, softer temper, and ultimate shielding performance. Although MuMETAL® is available in many forms, most shields are fabricated from foil or sheet stock.

When your shield design requires severe forming, stamping and/or welding, specifying MuMETAL® on your drawings insures you will receive the highest level of initial permeability and shielding efficiency available. And, MuMETAL® is formulated and manufactured to exacting standards which allow consistent fabrication and final anneal. Not only does Magnetic Shield Corporation offer MuMETAL® alloy, we can provide a full range of manufacturing services. From your drawing or sketch, we can waterjet, laser, EDM, shear, slit, punch, blank, stamp, chemical etch, form, bend, roll, spot-weld, heliarc weld, and/or laser weld. Using MuMETAL® alloy, we can produce complete magnetic shields, to your drawings or specifications.

Chemical Composition:

MuMETAL® Chemical Composition % In Weight*

Nickel (Ni) 80-81% 
  
Molybdenum (Mo) 4.5-6%   

Silicon (Si) 0.05-0.4%

Manganese (Mn) 0-0.5%

Carbon (C) 0.01%

Iron (Fe) Balance

*Composition may vary by production lot.

Material Properties:

TYPICAL ANNEALED PROPERTIES

0.2% Yield Strength 49ksi (338 MPa)
  
Density 0.316 lb/in³ (8.7 g/cm³)  

Tensile Strength 99 ksi (682 MPa)

Electrical Resistivity 60 micro-ohm cm

Elongation 32% in 2" (51 mm)

Grain Size ASTM 7 or finer

Hardness 15T 85

 

TYPICAL MAGNETIC PROPERTIES*

DC µ @ 40 gauss 80,000

DC µ @ 100 gauss 105,000

DC µ maximum 350,000

DC Hc 0.0005 Oe

DC Br (gauss) 4,000

AC 60Hz @ 40 gauss 65,000

*Data are typical of .014" [0.36mm] annealed sample and should be not be construed as maximum or minimum values for specification or final design. Data for each material thickness and/or lot may vary.


MuMetal® Foil
MuMETAL® Shielding Cans
MuMETAL® Toroidal Cores
MuMETAL® Foil – Magnetic Shield Corporation
MuMETAL® Shielding Cans – Magnetic Shield Corporation
MuMETAL® Toroidal Cores – Magnetic Shield Corporation
MuMETAL® Stress Annealed Sheet
MuMETAL® Zero Gauss Chambers
MuRoom®
MuMETAL® Stress Annealed Sheet – Magnetic Shield Corporation
MuMETAL® Zero Gauss Chambers – Magnetic Shield Corporation
MuRoom® – Magnetic Shield Corporation

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