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International trade

Amended Final Results of Antidumping Duty Review on Heavy-Walled Rectangular Welded Carbon Steel Pipes and Tubes from Mexico

Strategic Insights

— 2 min read

The U.S. Department of Commerce (Commerce) has issued an amended final results of administrative review for the antidumping duty order on heavy-walled rectangular welded carbon steel pipes and tubes (HWR) from Mexico. The review period covers September 1, 2022, through August 31, 2023. Commerce is amending the cash deposit rate for Maquilacero S.A. de C.V. (Maquilacero) to 7.02 percent, effective September 8, 2025.

Key Takeaways:

  • The U.S. Department of Commerce (Commerce) has amended the final results of the administrative review of the antidumping duty order on heavy-walled rectangular welded carbon steel pipes and tubes (HWR) from Mexico.
  • The period of review (POR) is September 1, 2022, through August 31, 2023.
  • The cash deposit rate for Maquilacero S.A. de C.V. (Maquilacero) has been amended to 7.02 percent.
  • Commerce is amending the final results to correct ministerial errors, including a programming error present in Maquilacero's final margin calculation.
  • The Ministerial Error Memorandum, which details the correction of the ministerial error, is available electronically via ACCESS.
  • The amended final results will be the basis for the assessment of antidumping duties on entries of subject merchandise and for future deposits of estimated duties.
  • The amended final results will be effective September 8, 2025.
  • Commerce has instructed U.S. Customs and Border Protection (CBP) to assess antidumping duties on all appropriate entries of subject merchandise in accordance with the amended final results of this review.

Statistics:

  • The corrected cash deposit rate for Maquilacero is 7.02 percent.
  • The amended final weighted-average dumping margin for Maquilacero is 7.02 percent.
  • The period of review (POR) is September 1, 2022, through August 31, 2023.
  • The all-others rate established in the less-than-fair-value (LTFV) investigation of heavy-walled rectangular welded carbon steel pipes and tubes from Mexico is 4.91 percent ad valorem.
  • Commerce intends to issue assessment instructions to CBP no earlier than 35 days after the date of publication of the final results of this review in the Federal Register.

Sources:

  • Heavy Walled Rectangular Welded Carbon Steel Pipes and Tubes from Mexico: Final Results of Antidumping Duty Administrative Review; 2022-2023,90 FR 34842 (July 24, 2025)
  • Heavy Walled Rectangular Welded Carbon Steel Pipes and Tubes from the Republic of Korea, Mexico, and the Republic of Turkey: Antidumping Duty Orders,81 FR 62865 (September 13, 2016)
  • Maquilacero's Letter, "Ministerial Error Comments for the Final Results," dated August 1, 2025
  • 19 CFR 351.224(e)

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