U.S. Steel Corporation on April 9 to the car user's letter said, the great lakes steel caused by force majeure or unpredictable incidents of steelmaking production suspension, to minimize influence do our best to make, but no matter how the delivery may be interrupted.In early April, a crane operator was at the top of the great lakes plant BOP workshop maintenance accident died, so the company suspended the great lakes factory workshop production.

In addition, the U.S. Steel Corporation also claimed in early April, Gary factory for five big lake ice is too thick cannot transport ore and interrupt the production, at present, although Gary factory has iron ore, the arrival of the goods, but the production remains low. U.S. Steel Corporation great lakes factory of force majeure and Gary factory production, may worsen plate roll tension between supply and demand of the market, especially in the current American each big steel mills claims to raise prices, but market participants doubt high prices can be sustainable.