HY-MU 80 Round Bars are premium nickel-iron soft magnetic alloy bars manufactured from UNS N14080 material for applications requiring exceptionally high magnetic permeability, low coercive force, and minimal core losses. These precision-engineered bars provide excellent magnetic shielding, outstanding electrical performance, and superior dimensional stability. HY-MU 80 Round Bars are widely used in transformers, magnetic cores, MRI equipment, electronic devices, aerospace components, telecommunications, defense systems, and precision electrical instruments. Available in round, flat, square, hexagonal, rectangular, and hollow bar forms, our HY-MU 80 bars are manufactured with strict quality control to ensure consistent performance and reliable service life.
Grade: Hy Mu 80 Round Bar
Square bar size : 4 to 100mm
Hollow Bar : 32mm OD x 16mm ID to 250mm OD x 200mm ID)
Hex Bar size : 2-100mm A/F
Rectangles Size : 33 x 30mm to 295 x 1066mm
Flat bar size : Thickness: 2 -100mm, Width: 10 to 500mm
Round bar size : Diameter: 3-~800mm
Surface: Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Tolerance : H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Technique : Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
Condition : Hardened & tempered, annealed
Finish : Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
Processing : Bar cutting to 650mm
Hy Mu 80 Round Bars Equivalent Grades
STANDARD: HY-MU 80 Alloy
UNS: N14080
Advantages
- Manufactured from premium UNS N14080 nickel-iron alloy offering exceptionally high magnetic permeability with low hysteresis and core losses.
- Provides outstanding magnetic shielding, excellent electrical efficiency, superior dimensional accuracy, and long service life for demanding industrial applications.
- Every batch undergoes rigorous chemical analysis, magnetic property evaluation, dimensional inspection, mechanical testing, and surface quality checks, maintaining a defect rate below 1%.
- Available in customized diameters, lengths, surface finishes, machining options, and special tolerances according to customer specifications and engineering drawings.

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