On December 22, 2025, the Canada Border Services Agency (CBSA) issued a preliminary dumping determination, targeting oil country tubular goods (OCTG) from Mexico, the Philippines, South Korea, Turkey, and the US.

Effective immediately, provisional duties apply to all subject goods released from customs.

Mexico faces provisional duty rates from 26.2% to 148.4%, while Philippine imports received duties of 5.3% to 38.6%. Specific manufacturers also face individual rates, including South Korea’s Hyundai Steel at 15.5%, Turkey’s Borusan Birleşik Boru Fabrikalari Sanayi Ve Ticaret A.Ş. (Borusan) at 12.1%, and Maverick Tube Corporation from the US at 14.7%.