The U.S. Commerce Department has delayed a decision in its review of mechanical steel tubing imports from India and China by three months to September 18. The petitioners may be hoping for a harsher outcome for importers as a result of the section 232 “national security” review of the steel industry more broadly. A similar move was seen in a recent steel wire rod case. The petitioners are taking a big economic risk. Imports of the products concerned climbed 23% in the past three months on a year earlier, including 19% from China and 92% from India. The value of imports per ton dropped 9%...