Casing for oil or gas drilling, external diameter over 406.4 mm (16 in.), of iron or steel

US trade by year

US imports were $40.6M in the 12 months to Aug 2026, up 121% on the 12 months to Aug 2017. US exports were $26.9M, down 47%. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

• Brazil
• United Kingdom
• Korea, South
• India
• All countries

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

The 3 largest suppliers had 81.9% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

• Price
• Freight and insurance
• Duty

Landed at a US port, India was cheapest, at $0.91/kg: 32.1% below Korea, South.

Landed cost from Germany fell 69% on a year earlier, to $2.10/kg, mostly on price: $6.79/kg then, $1.31/kg now.

How the market is shifting

Brazil gained the most share: 59.8% of US imports over the last 12 months, up from 50.2% in the 12 months before. United Kingdom lost the most: 14.3%, down from 26.3%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

• Brazil
• United Kingdom
• Korea, South
• India
• All countries

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

1. June 2026 · Duty paid: all countries 3.2% → 50.1%.
   • Oil Country Tubular Goods From the People's Republic of China: Continuation of Antidumping Duty Order and Countervailing Duty OrderJun 23, 2026 · International Trade Administration
   • Oil Country Tubular Goods From Austria, Taiwan, and the United Arab Emirates; DeterminationsMay 21, 2026 · International Trade Commission
   • Certain Oil Country Tubular Goods from Austria, Taiwan, and the United Arab Emirates: Initiation of Less-Than-Fair-Value InvestigationsApr 28, 2026 · International Trade Administration
2. November 2025 · Duty paid: all countries 22.2% → 6.4%.
3. April 2025 · Duty paid: all countries 0.1% → 18.8%.
4. September–November 2022 · Duty paid: Germany 22.2% → 0.0%, all countries 8.8% → 0.1%.
   • Oil Country Tubular Goods From the Republic of Korea and the Russian Federation: Countervailing Duty OrdersNov 21, 2022 · International Trade Administration
   • Oil Country Tubular Goods From Argentina, Mexico, and the Russian Federation: Antidumping Duty Orders and Amended Final Affirmative Antidumping Duty Determination for the Russian FederationNov 21, 2022 · International Trade Administration
   • Oil Country Tubular Goods From Argentina, Mexico, Russia, and South KoreaNov 18, 2022 · International Trade Commission
5. June 2022 · Duty paid: all countries 0.1% → 7.5%.
   • Oil Country Tubular Goods From Argentina, Mexico, Russia, and South Korea; Scheduling of the Final Phase of Countervailing Duty and Anti-Dumping Duty InvestigationsJun 9, 2022 · International Trade Commission
   • Oil Country Tubular Goods From the Russian Federation: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Preliminary Negative Critical Circumstances Determination, Postponement of Final Determination, and Extension of Provisional MeasuresMay 11, 2022 · International Trade Administration
   • Oil Country Tubular Goods From Mexico: Preliminary Affirmative Determinations of Sales at Less Than Fair Value and Critical Circumstances, Postponement of Final Determination, and Extension of Provisional MeasuresMay 11, 2022 · International Trade Administration
6. September 2019 · Duty paid: all countries 23.7% → 4.6%.
   • Oil Country Tubular Goods From Ukraine: Preliminary Results of the First Five-Year Sunset Review of the Antidumping Duty OrderSep 30, 2019 · International Trade Administration
   • Oil Country Tubular Goods From India: Final Results of the Expedited Sunset Review of the Countervailing Duty OrderSep 24, 2019 · International Trade Administration
   • Oil Country Tubular Goods From India: Preliminary No Shipments Determination of Antidumping Duty Administrative Review; 2017-2018Aug 13, 2019 · International Trade Administration
7. April 2019 · Duty paid: all countries 4.9% → 23.7%.
   • Oil Country Tubular Goods From the Republic of Turkey: Final Results of Countervailing Duty Administrative Review; 2016Mar 27, 2019 · International Trade Administration
   • Oil Country Tubular Goods From the People's Republic of China: Preliminary Results of Antidumping Duty Administrative Review; 2017-2018Mar 15, 2019 · International Trade Administration

Federal Register notices from the last 12 months that list this product's tariff codes. A notice can add a duty, exclude products from one or only mention them, so read each for what it changes. These are the 5 newest of 9. Search the Federal Register for 7305.20

• Certain Oil Country Tubular Goods From India, the Republic of Korea, the Republic of Türkiye, the Socialist Republic of Vietnam, and Ukraine: Continuation of Antidumping Duty Orders and Countervailing Duty OrdersOct 22, 2026 · International Trade Administration
• Certain Oil Country Tubular Goods From Austria: Preliminary Affirmative Countervailing Duty Determination and Alignment of Final Determination With Final Antidumping Duty DeterminationSep 3, 2026 · International Trade Administration
• Oil Country Tubular Goods From the People's Republic of China: Continuation of Antidumping Duty Order and Countervailing Duty OrderJun 23, 2026 · International Trade Administration
• Oil Country Tubular Goods From Austria, Taiwan, and the United Arab Emirates; DeterminationsMay 21, 2026 · International Trade Commission
• Certain Oil Country Tubular Goods from Austria, Taiwan, and the United Arab Emirates: Initiation of Less-Than-Fair-Value InvestigationsApr 28, 2026 · International Trade Administration

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 67 have reported 2025 so far.

The biggest market outside the US is Guyana, which imported $86.4M of this product in 2025, none of it from the US.

The US supplies 67.3% of imports into Trinidad and Tobago, but under 10% into Guyana, Singapore and Kuwait.

Of these, imports into Kuwait grew fastest: up 175% from 2024 to 2025.

Related products

Other products under heading 7305: tubes and pipes not elsewhere specified (welded etc.), having internal and external cross sections with an external diameter of over 406.4 mm (16 in.), of iron or steel. US trade over the 12 months to August 2026.