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HSChapter 85
U.S. imports of electromagnets, magnetic holding devices & parts (HS 850590) totaled $42.6M in April 2026, traded with 53 countries.
Importers of Electromagnets, Magnetic Holding Devices & Parts paid $4.9M in duties in April 2026 — an effective duty rate of 13% on $36.5M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 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.
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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| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $8.9M | $5.8M | -$3.1M |
| CHINA | $5.6M | $7.4M | +$1.8M |
| GERMANY | $5.1M | $808K | -$4.3M |
| KOREA, SOUTH | $3.2M | $168K | -$3.1M |
| THAILAND | $3.1M | $23K | -$3.0M |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8505907501 | ELECTROMAGNETIC ARTICLES, AND PARTS, NESOI | $38.6M | 13.79% | $4.5M |
| 8505907000 | ELECTROMAGNETS FOR MRI APPARATUS, OTHER THAN 9018 | $1.8M | 10.00% | $182K |
| 8505903000 | ELECTROMAGNETIC LIFTING HEADS | $1.6M | 10.85% | $124K |
| 8505904000 | ELECTROMAGNETIC WORK HOLDERS AND PARTS THEREOF | $676K | 10.65% | $72K |
ELECTROMAGNETIC ARTICLES, AND PARTS, NESOI
ELECTROMAGNETS FOR MRI APPARATUS, OTHER THAN 9018
ELECTROMAGNETIC LIFTING HEADS
ELECTROMAGNETIC WORK HOLDERS AND PARTS THEREOF
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8505908000 | ELECTROMAGNETIC ARTICLES, AND PARTS, NESOI | $23.7M |
| 8505903000 | ELECTROMAGNETIC LIFTING HEADS | $697K |
| 8505904000 | ELECTROMAGNETIC WORK HOLDERS AND PARTS THEREOF | $211K |
ELECTROMAGNETIC ARTICLES, AND PARTS, NESOI
346.1K kg
ELECTROMAGNETIC LIFTING HEADS
267.2K no
ELECTROMAGNETIC WORK HOLDERS AND PARTS THEREOF
9.5K kg
MACH FOR RECP/CONVR/TRANS/REGN OF VOICE/IMAGE/DATA
HS 851762
SOLID-STATE NON-VOL SEMICONDUCTOR STORAGE DEVICES
HS 852351
SMARTPHONES
HS 851713
PROCESSORS AND CONTROLLERS, ELECTRONIC INTEG CIRCT
HS 854231
CONTROLS ETC W ELECT APPR F ELECT CONT NOV 1000 V
HS 853710
STATIC CONVERTERS; ADP POWER SUPPLIES
HS 850440
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $6.7M | $1.9M | -$4.8M |
| Michigan | $5.0M | $1.9M | -$3.2M |
| California | $3.7M | $1.6M | -$2.0M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $4.9M | $2.1M | -$2.8M |
| LAREDO, TX | $5.0M | $1.9M | -$3.0M |
| CHICAGO, IL | $2.6M | $1.3M | -$1.3M |