Base tariff columnsBase tariff columns
Column rates from the USITC HTS export. The column that applies depends on origin and trade-program eligibility.
| General (MFN) | Free |
|---|---|
| Special | — |
| Other (Column 2) | — |
Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD watch signals are surfaced, but cash deposit rates and product-specific exclusions still require separate review.
Chapter 99 overlaysChapter 99 overlays
No Chapter 99 overlays are currently linked to this HS code.
§ DUTY BREAKDOWNDuty breakdown
Duty ledger below is calculated on a $10,000 customs value. Fees, AD/CVD, and exclusions are not included here.
| Duty breakdown | Rate | Amount | Source |
|---|---|---|---|
| Base dutyBase | 0% | $0.00 | HTS General rate |
§ CLASSIFICATION WATCH-OUTSClassification watch-outs
These sibling HTS entries share the same parent but differ in duty rate or Chapter 99 coverage. They are review prompts, not classification recommendations.
-
Of an output exceeding 37.5 W but not exceeding 74.6 W
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Of an output exceeding 74.6 W but not exceeding 735 W
-
Of an output exceeding 735 W but under 746 W
-
Other
-
Of an output not exceeding 75 kVA
Sample duty by originSample duty by origin
Illustrative calculation at USD 10,000 customs value, standard (non-preferential) claim. Chapter 99 additional duties applied where status is active.
| Origin | Base rate | Chapter 99 | Total rate | Duty (USD) |
|---|---|---|---|---|
| China (CN) | 0% | 0% | 0% | $0.00 |
| Vietnam (VN) | 0% | 0% | 0% | $0.00 |
| Mexico (MX) | 0% | 0% | 0% | $0.00 |
| India (IN) | 0% | 0% | 0% | $0.00 |
| South Korea (KR) | 0% | 0% | 0% | $0.00 |
§ RELATED ENTRIESAll tariff lines under HTS 8501.51
All 8-digit tariff lines and deeper statistical suffixes under subheading 8501.51.
§ RECENT CHANGESRecent US tariff policy notices
The 3 most recent Federal Register tariff notices in the Duty database. See the Changes timeline for the full list.
- Apr 27, 2026Certain Chassis and Subassemblies Thereof From the People's Republic of China: Final Determination of Covered Merchandise Inquiry2026-08130
- Apr 27, 2026Oil Country Tubular Goods From the People's Republic of China: Final Determination of Covered Merchandise Inquiry2026-08129
- Apr 27, 2026Circular Welded Carbon Steel Pipes and Tubes From Thailand: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-20252026-08128
§ FAQFrequently asked
- What is the general MFN duty rate for HTS 8501.51?
- The MFN general duty rate for HTS 8501.51 (Of an output not exceeding 750 W:) is not listed. This applies to imports from countries with normal trade relations status. For origins like China, additional Section 301, IEEPA, and reciprocal duties may stack on top of this base rate. Final duty is determined at CBP entry.
- Are there active Chapter 99 tariff overlays on HTS 8501.51?
- Yes. There are 2 active Chapter 99 rule(s) potentially applicable to HTS 8501.51, covering section301. These overlays correspond to policy tools such as Section 301 (China), IEEPA emergency tariffs, and reciprocal duties — they stack on top of the MFN base rate based on country of origin and effective dates. A single shipment can be subject to multiple overlays simultaneously.
- When was HTS 8501.51 last updated on Duty?
- The base HTS data on this page was last refreshed on April 27, 2026 (USITC release 2026HTSRev6). Chapter 99 overlays, AD/CVD case status, and Federal Register notices are synced daily; effective dates follow the source feeds. If you spot stale data, please report via the contact link in the footer.