Lane profile
Import duty on HS 84 from South Korea to United States
HS chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances (Section XVI). The stack below reflects the MFN base plus every US or destination overlay currently on file for goods originating in South Korea.
3.3%
MFN median (31 lines sampled)
602 $
Duty + tax + fees on $10,000 goods
Landed cost
10.602 $
All-in delivered value (FOB $10,000)
Applicable US overlays for South Korea origin
| Overlay | Rate | Notes |
|---|---|---|
| section 122 | 15.0% | Trade Act Section 122 reciprocal tariff. Replaced IEEPA (Supreme Court ruling Feb 20, 2026). Sunsets July 24, 2026 absent Congressional action. |
$10,000 sample stack (South Korea to United States)
| Line | Rate | Amount |
|---|---|---|
| MFN dutyMFN | 3.3% | 330 $ |
| Merchandise Processing FeeMPF | 0.3% | 35 $ |
| Harbor Maintenance FeeHMF | 0.1% | 13 $ |
| ISF filing fee (10+2)ISF_FILING | - | 50 $ |
| Customs bond premium (single-transaction)CUSTOMS_BOND | - | 50 $ |
| Broker entry fee (CBP 7501)BROKER_FEE | - | 125 $ |
Related HS codes in chapter 84
8401.10.00.00
Nuclear reactors
8401.20.00.00
Machinery and apparatus for isotopic separation, and parts thereof
8401.30.00.00
Fuel elements (cartridges), non-irradiated, and parts thereof
8401.40.00.00
Parts of nuclear reactors
8402.11.00.00
Watertube boilers with a steam production exceeding 45 t per hour
8402.12.00.00
Watertube boilers with a steam production not exceeding 45 t per hour
8402.19.00.00
Other vapor generating boilers, including hybrid boilers
8402.20.00.00
Super-heated water boilers
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