The U.S. ITC has determined that America’s steel industry has been damaged by exports of mechanical-steel tubing from six countries including China. A decision on anti-subsidy duties is due by July 13. That will come shortly after the Commerce Department’s broader report on steel imports to the U.S. and may be held up as a prime example of the behavior it is looking to prevent. Panjiva data shows Chinese exports have been steadily increasing, with a 5% rise in the first quarter and accounted for 35% of the total. Yet, shipments from India and Germany have been increasing more quickly wit...