Welded Large Diameter Line Pipe — Japan — A-588-857

“Welded Large Diameter Line Pipe” describes a product scope, while AD/CVD identifies the type of trade measure. Antidumping (AD) duties may apply when the US determines that imported merchandise is sold at less than fair value and injures a US industry. Countervailing duties (CVD) may apply when the merchandise benefits from certain foreign-government subsidies that contribute to injury. These duties are separate from ordinary customs duty and may apply in addition to it.

The measure typically affects importers, manufacturers, exporters, and producers of covered welded large-diameter pipe from the specifically listed countries or origins. Coverage depends on the legal scope, not just the product’s marketing name or a tariff classification. An importer should compare the pipe’s physical characteristics, manufacturing process, dimensions, use, and country of production with the scope language. If covered, the importer may need to report the relevant AD/CVD case information, provide additional entry documentation, and account for potential liability when Customs and Border Protection (CBP) determines the final amount owed.

What to check

• Read the official scope language and compare it with the pipe’s specifications, including welding method, diameter, wall thickness, grade, coating, and intended use.
• Confirm the country of manufacture or production, exporter, producer, and applicable tariff classification; do not rely on the product name or HTSUS classification alone.
• Check whether the measure covers the specific origin and whether exclusions, certifications, or scope rulings may apply.
• Ask a customs broker or trade counsel to review borderline products and determine the correct AD/CVD entry reporting and cash-deposit requirements.
• Keep purchase orders, mill certificates, production records, invoices, and origin documents that support the product’s identity and supply chain.