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 |
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 subheadings under HTS 3917
Direct children of HTS heading 3917. Drill in to see actual column rates.
- 3917.10Artificial guts (sausage casings) of hardened protein or of cellulosic plastics materials
- 3917.21.00.00Of polymers of ethylene
- 3917.22.00.00Of polymers of propylene
- 3917.23.00.00Of polymers of vinyl chloride
- 3917.29.00Of other plastics
- 3917.31.00.00Flexible tubes, pipes and hoses, having a minimum burst pressure of 27.6 MPa
- 3917.32.00Other, not reinforced or otherwise combined with other materials, without fittings
- 3917.33.00.00Other, not reinforced or otherwise combined with other materials, with fittings
- 3917.39.00Other
- 3917.40.00Fittings
§ 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 3917?
- The MFN general duty rate for HTS 3917 (Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics) 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 3917?
- Yes. There are 3 active Chapter 99 rule(s) potentially applicable to HTS 3917, covering section301, other. 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.
- Is HTS 3917 subject to active AD/CVD orders?
- Yes. 4 active anti-dumping / countervailing duty case(s) reference HTS 3917 or its sub-codes, with origin countries including CN, VN. AD/CVD scope is producer- and country-specific — coverage depends on the exact product, manufacturer, and origin. Verify against ITC/Commerce scope rulings, and consult a licensed broker if you suspect your goods may fall in scope.
- When was HTS 3917 last updated on Duty?
- The base HTS data on this page was last refreshed on July 21, 2026 (USITC release 2026HTSRev11). 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, use the “Report a data issue” link on this page.