The U.S. ITA has delayed a preliminary decision in its investigation of dumping of mechanical steel tubing from six countries including China. That follows a similar delay to a related subsidy case and 83 other trade case postponements since the start of the year. The plaintiffs may be waiting to see what the results of the much-delayed section 232 review of the broader steel industry may bring. In the meantime exporters of the products have accelerated their shipments. Imports in July from the six countries concerned climbed 40% from their February trough, resulting in total U.S. import...