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HSChapter 85
U.S. imports of electromagnets, magnetic holding devices & parts (HS 850590) totaled $45.0M in July 2026, traded with 58 countries.
Importers of Electromagnets, Magnetic Holding Devices & Parts paid $5.1M in duties in July 2026 — an effective duty rate of 14% on $36.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataElectromagnets for MRI apparatus (8505907000) represent the highest-value segment of this heading, serving the medical imaging sector with superconducting coil assemblies that require specialized handling and regulatory awareness distinct from industrial lifting or workholding applications. Electromagnetic lifting heads (8505903000) and workholders (8505904000) serve heavy manufacturing and metalworking operations. Mexico leads US import supply across the heading, with China and Germany also significant sources. Importers of MRI electromagnets should note that while the magnets themselves are classified here rather than under heading 9018, the broader MRI system may trigger FDA device registration requirements depending on how the shipment is presented.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
2.6K shipments/mo
The HTS schedule specifically provides for electromagnets for MRI apparatus under 8505907000, with the parenthetical 'other than 9018' confirming that these components are excluded from the medical instruments heading. The classification reflects that the electromagnet is an electromechanical component rather than a complete medical instrument. Importers should ensure the commercial invoice and entry documents describe the article as an MRI electromagnet component to avoid misclassification under 9018.
Both electromagnetic and permanent magnet chucks and workholders fall within heading 850590, but at the 10-digit level, 8505904000 specifically covers electromagnetic workholders and their parts. Permanent magnet chucks and clamps are also within the heading's scope but classified under the NESOI lines. The actuation method — electromagnetic coil versus fixed permanent magnet — is the distinguishing criterion, and technical specifications should be retained to support the claimed line.
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Subheading 1 of 4 in heading 8505
Subheading 850590 · $45.0M of $109.7M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8505907501 | Electromagnetic Articles, And Parts, NESOI | $41.6M | 11.41% | 80.47% | $4.7M |
| 8505903000 | Electromagnetic Lifting Heads | $1.4M | 7.98% | 57.58% | $112K |
| 8505904000 | Electromagnetic Work Holders and Parts Thereof | $1.1M | 14.02% | 99.95% | $153K |
| 8505907000 | Electromagnets for Mri Apparatus, Other Than 9018 | $829K | 10.36% | 95.76% | $86K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8505908000 | Electromagnetic Articles, And Parts, NESOI | $28.3M |
| 8505903000 | Electromagnetic Lifting Heads | $1.6M |
| 8505904000 | Electromagnetic Work Holders and Parts Thereof | $384K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$45.0MYoY · Pro
Exports
$30.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
16.9% enters free of duty; the effective duty rate is 11.34%.