Line pipe for oil or gas pipelines, of iron or steel, not elsewhere specified

US trade by year

US imports were $270.2M in the 12 months to Aug 2026, down 35% on the 12 months to Aug 2017. US exports were $32.8M, down 13%. 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.

• Korea, South
• United Kingdom
• Mexico
• 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 76.2% 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 $1.17/kg: 2.7% below Korea, South.

Landed cost from India fell 78% on a year earlier, to $1.17/kg, mostly on price: $3.30/kg then, $0.69/kg now.

How the market is shifting

India gained the most share: 4.1% of US imports over the last 12 months, up from 0.8% in the 12 months before. Turkey lost the most: 3.7%, down from 11.0%. 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.

• Korea, South
• United Kingdom
• Mexico
• 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. April 2026 · Duty paid: Mexico 39.8% → 49.5%, Canada 20.4% → 50.0%.
   • Circular Welded Carbon Quality Steel Pipe From the People's Republic of China: Final Affirmative Determination of Circumvention of the Antidumping Duty and Countervailing Duty OrdersFeb 3, 2026 · International Trade Administration
2. October–November 2025 · Duty paid: Korea, South 44.9% → 50.0%, Mexico 49.6% → 40.6%.
3. April–July 2025 · Duty paid: Korea, South 0.0% → 44.9%, Mexico 5.4% → 49.6%, Canada 0.0% → 35.0%, Taiwan 25.0% → 50.0%, Turkey 24.9% → 50.0%, all countries 8.0% → 44.9%.
   • Circular Welded Carbon Quality Steel Line Pipe From the People's Republic of China: Continuation of Antidumping Duty Order and Countervailing Duty OrderApr 7, 2025 · International Trade Administration
4. May 2019 · Duty paid: Mexico 25.0% → 0.0%.
   • Circular Welded Carbon Quality Steel Pipe From the People's Republic of China: Preliminary Results of Antidumping Administrative Review and Partial Rescission; 2017-2018May 20, 2019 · International Trade Administration
   • Request for Comments Concerning Proposed Modification of Action Pursuant to Section 301: China's Acts, Policies, and Practices Related to Technology Transfer, Intellectual Property, and InnovationMay 17, 2019 · Office of the US Trade Representative
   • Circular Welded Carbon Quality Steel Pipe From the People's Republic of China: Final Results of the Expedited Second Sunset Review of the Antidumping Duty OrderApr 16, 2019 · International Trade Administration
5. February 2019 · Duty paid: all countries 22.4% → 14.4%.
   • Circular Welded Carbon-Quality Steel Pipe From the United Arab Emirates: Preliminary Results of Antidumping Duty Administrative Review; 2016-2017Feb 21, 2019 · International Trade Administration
   • Welded Line Pipe From the Republic of Korea: Preliminary Results of Antidumping Duty Administrative Review and Preliminary Determination of No Shipments; 2016-2017Feb 14, 2019 · International Trade Administration
6. June–July 2018 · Duty paid: Mexico 0.0% → 25.0%, Taiwan 1.3% → 24.8%, all countries 1.4% → 21.5%.
   • Welded Line Pipe From the Republic of Korea: Final Results of Antidumping Duty Administrative Review; 2015-2016Jul 18, 2018 · 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. Search the Federal Register for 7306.19

• Circular Welded Carbon Quality Steel Pipe From the People's Republic of China: Final Affirmative Determination of Circumvention of the Antidumping Duty and Countervailing Duty OrdersFeb 3, 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; 118 have reported 2025 so far.

The biggest market outside the US is Norway, which imported $83.5M of this product in 2025, 0.3% of that from the US.

Of these, imports into Belgium grew fastest: up 664% from 2024 to 2025.

Related products

Other products under heading 7306: tubes, pipes and hollow profiles not elsewhere specified (open seamed or welded, riveted or similarly closed), of iron or steel. US trade over the 12 months to August 2026.