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U.S. Line Pipe Industry Challenges Undervalued Import Duties

The American Line Pipe Producers Association (ALPPA) has recently taken an important step to uphold U.S. trade laws regarding steel line pipe imports. On December 22, 2025, they formally lodged a complaint with U.S. Customs and Border Protection (CBP) aimed at investigating possible undervaluation practices by some importers. This investigation is central to ensuring that the necessary Section 232 duties are effectively applied to all steel line pipe entering the United States.

The Concerns Raised by ALPPA

According to ALPPA's findings, certain companies may have declared only the basic value of the bare pipe when importing, which would lead to a significant underpayment of Section 232 duties. In their view, by not accounting for the full value of fabricated and coated line pipes, importers potentially compromise the integrity of the U.S. trade system.

CBP has made it clear in their guidelines that Section 232 duties must be calculated on the entire entered value of the product—not just the base price of the raw materials. Notably, any costs associated with coatings or other forms of fabrication should not be excluded when determining these duties. Timothy C. Brightbill, co-chair of Wiley Rein's International Trade Practice and legal counsel for ALPPA, expressed confidence in CBP’s dedication to enforcing trade laws rigorously. He has emphasized the crucial role of Section 232 duties in defending U.S. national security, stating the importance of holding all importers accountable to prevent evasion of trade laws.

Background on Section 232 Duties

Section 232 of the Trade Expansion Act of 1962 was established to safeguard national security by regulating imports that could jeopardize the domestic market. Duties on steel products, including line pipes, have been in effect since March 2018. Following a review earlier this year, all exemptions from these duties were eliminated in June 2025, resulting in a duty rate that escalated to 50%. This heightened rate is aimed at combating illegal duty evasion, which is a significant issue closely scrutinized by U.S. authorities.

The Importance of Strong Trade Enforcement

The efforts of ALPPA underlie a broader commitment to ensure fair competition within the market. The actions taken demonstrate a proactive approach to address potential malpractice within the importation process. The organization remains vigilant in monitoring unfair trade practices, asserting that robust enforcement mechanisms are critical for the integrity of the market.

Brightbill reiterated that the enforcement of Section 232 measures is vital to ensuring these duties fulfill their purpose. He maintains that allowing importers to evade U.S. trade laws threatens the very fabric of the commerce system and poses risks to national security. Thus, taking decisive action against undervaluation practices is a necessary step in maintaining a fair marketplace.

As CBP moves forward with their investigation, the outcome could have significant implications for the line pipe industry and trade practices as a whole. The ongoing vigilance by ALPPA and their commitment to uphold trade regulations serves to reinforce the importance of compliance in the industry.

In conclusion, with the ongoing support of CBP and the legal framework established under Section 232, the line pipe industry is poised to combat these challenges. The importance of adherence to trade laws cannot be overstated as the industry navigates these complex issues affecting both domestic and international steel markets.