The US is imposing a 24% preliminary anti-dumping duties on large-diameter welded pipe from Canada. Other countries also being hit by anti-dumping duties are China, Greece, India, Korea, and Turkey.
CBC.ca – U.S. to impose anti-dumping duties of 24% plus on Canadian-made pipes
CTV News – U.S. to impose anti-dumping duties on Canadian-made pipes
The Globe and Mail – U.S. hits pipe imports with anti-dumping duties in latest trade action