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.
§ AD/CVD WATCHAD/CVD orders that may apply
These antidumping or countervailing duty orders mention this HTS in their Federal Register notices. The written scope of the order — not the HTS — is dispositive. Verify the actual scope at trade.gov before assuming an order applies to your shipment.
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A-122-863 AD Canada (CA) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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A-484-803 AD GR (GR) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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A-489-833 AD TR (TR) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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A-533-881 AD India (IN) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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A-570-077 AD China (CN) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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A-580-897 AD South Korea (KR) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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C-489-834 CVD TR (TR) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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C-533-882 CVD India (IN) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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C-570-078 CVD China (CN) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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C-580-898 CVD South Korea (KR) Continued 2025-05-14Large Diameter Welded Pipe From Canada, the People's Republic of China, Greece, India, the Republic of Korea, and the Republic of Türkiye: Continuation of Antidumping Duty and Countervailing Duty Orders
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C-580-913 CVD South Korea (KR) Order 2022-11-21Oil Country Tubular Goods From the Republic of Korea and the Russian Federation: Countervailing Duty Orders
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C-821-834 CVD RU (RU) Order 2022-11-21Oil Country Tubular Goods From the Republic of Korea and the Russian Federation: Countervailing Duty Orders
§ DUTY BREAKDOWNDuty breakdown
Duty ledger below is calculated on a $10,000 customs value. Fees, AD/CVD, and exclusions are not included here.
China (CN)
Total 0% · $0.00
| 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.
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Threaded or coupled
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Other
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Threaded or coupled
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Other
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 7305.31
All 8-digit tariff lines and deeper statistical suffixes under subheading 7305.31.
§ RECENT CHANGESRecent Federal Register actions on Chapter 73
Last 3 Federal Register notices that referenced an HTS code under Chapter 73. See the Changes timeline for the full list.
§ FAQFrequently asked
- What is the general MFN duty rate for HTS 7305.31?
- The MFN general duty rate for HTS 7305.31 (Longitudinally welded:) 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 7305.31?
- Yes. There are 1 active Chapter 99 rule(s) potentially applicable to HTS 7305.31, covering 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 7305.31 subject to active AD/CVD orders?
- Yes. 12 active anti-dumping / countervailing duty case(s) reference HTS 7305.31 or its sub-codes, with origin countries including CA, GR, TR, IN, CN. 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 7305.31 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.