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HSChapter 85
U.S. imports of industrial & laboratory induction or dielectric heating equipment (HS 851440) totaled $3.5M in June 2026, traded with 30 countries.
Importers of Industrial & Laboratory Induction or Dielectric Heating Equipment paid $259K in duties in June 2026 — an effective duty rate of 11% on $2.4M in dutiable value, based on actual customs collections rather than the published tariff schedule. Industrial & Laboratory Induction or Dielectric Heating Equipment imports of $3.5M in June 2026 ran 29% below the year-to-date monthly average of $4.9M.
Induction heating equipment — used for metal hardening, brazing, forging preheat, and crystal growth — and dielectric heating equipment for processing plastics, wood composites, and food packaging materials both fall under this heading, classified together at the 10-digit level under 8514400000. Germany and France are the leading US suppliers, reflecting European dominance in precision induction power supply and coil technology. Canada, also a top supplier, benefits from integrated North American manufacturing supply chains. Unlike furnace-type equipment, induction and dielectric systems are often sold as modular power-supply-plus-applicator packages, which can raise classification questions about whether the complete system or its components are being imported.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
If the power supply and coil are imported together as a functional system, the complete unit is classified under 851440. When imported separately, each component must be classified on its own merits: the power supply may fall under a different heading for electronic power conversion equipment, while the coil or applicator could be classified as a part under 851490. Importers should assess whether GRI 2(a) incomplete-article rules or parts provisions apply, and consult a licensed customs broker for complex split shipments.
Dielectric heating equipment under 851440 operates at radio frequencies (typically 1–100 MHz) to heat non-conductive materials such as plastics or wood through molecular friction, and is designed for industrial continuous or batch processing. Microwave ovens, which operate at microwave frequencies (typically 2.45 GHz), are classified separately under heading 8516. The operating frequency band and industrial design intent are the key distinguishing factors.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| TAIWAN | $33K | $4.8M | +$4.7M |
| CHINA | $70K | $1.6M | +$1.5M |
| NETHERLANDS | $563K | $809K | +$246K |
| CANADA | $490K | $723K | +$232K |
| MEXICO | $359K | $848K | +$489K |
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 |
|---|---|---|---|---|---|
| 8514400000 | INDUCTION OR DIELECTRIC HEATING EQUIPMENT, NESOI | $3.5M | 7.51% | 70.18% | $259K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8514400000 | INDUCTION OR DIELECTRIC HEATING EQUIPMENT, NESOI | $13.7M |
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
Monthly import values over time
| State | Imports | Exports | Balance |
|---|---|---|---|
| Minnesota | $21K | $6.7M | +$6.7M |
| North Carolina | $105K | $2.2M | +$2.1M |
| New York | $206K | $1.0M | +$833K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHICAGO, IL | $240K | $7.2M | +$7.0M |
| JFK INTERNATIONAL AIRPORT, NY | $413K | $777K | +$364K |
| CHARLOTTE, NC | $96K | $1.0M | +$948K |