The Treasury sanctions are directed at more than a dozen people and companies based in China, India and the United Arab Emirates.

The U.S. on Monday imposed sanctions on dozens of people and oil tankers across China, the United Arab Emirates, India and other jurisdictions for allegedly helping to finance Iran and its support for militant groups that launch attacks against the U.

Oil prices were steady on Tuesday, after a bump the previous day when fresh U.S. sanctions imposed on Iran increased concerns that supply might tighten, as global refining margins remained strong. Brent crude futures were down 5 cents to $74.