Canada
April 23, 2026
Canada sets OCTG antidumping tariffs, issues final determination
Written by Kristen DiLandro
The Canadian International Trade Tribunal (CITT) determined oil country tubular goods (OCTG) sold by Tenaris SA and certain exporters from South Korea, Turkey, and the Philippines are subject to antidumping tariffs.
CITT stated that OCTG goods originating from or exported from Mexico, South Korea, Turkey, or the Philippines were dumped into Canada. The sales resulted in material injury to the domestic industry. The Canada Border Services Agency (CBSA) will collect the tariff payments, which remain in effect for the next five years.
The export price dumping margin for Mexican exporter Tubos de Acero de Mexico SA was set at 30.7%. For exporter HLD Clark Steel Pipe Co. Ltd from the Philippines, the rate is 16.7%, while the rate for all other Philippines exporters is 57.5%. Hyundai Steel Pipe, the exporter from South Korea, was assigned 13.6%. Turkish exporter Borusan was assigned 11%, and the US margin for exporter Mavrick Tube was determined to be 13.9%.
InterPro Pipe + Steel (formerly Evraz) and Welded Tube of Canada Corp. filed the case with CITT and the CBSA in July 2025.
In August, Canada launched the OCTG investigation into carbon or alloy, welded or seamless casing, tubing, and green tubes with outside diameters ranging from 2.375 inches to 13.375-inch products.
