A surplus of new construction in recent years the United States, in the sharp drop in construction projects, iron and steel industry have been seriously affected. Steel demand in August began to decrease from North America and Europe to reduce the building, reported that the decline in U.S. auto sales, shift production to the amount of control production of small cars less. Demand driven to reduce prices, the recent 90 U.S. dollars per tonne of steel fell, while the peak value in July reached 550 U.S. dollars per ton. At the same time, the United States the most basic products of hot-rolled sheet prices fell to 785 U.S. dollars / tons, in July was as high as 1,080 U.S. dollars / ton. U.S. steel mill capacity utilization is now less than 50%, which is from the eighties of last century its lowest level since.
   A further increase in the trade friction in the global economy under the shadow of recession, the threat of trade protectionism is increasing, in 2009 global trade will be a period of high friction, and the situation is severe or the most recent years. According to the model argues that the economic climate index is inversely proportional with the trade dispute. When the economy, trade disputes; and the economic downturn, the number of trade disputes. In the current economic downturn conditions, the countries from the country's economic interests, will be imported from other countries operating the product. As a great power to control production of China, the CIS has a cost advantage as well as Turkish steel mill will face serious trade friction. After the United States into economic recession, it will naturally increase the more the interests of protecting its trade frictions, in particular, has been relying on the Government to protect the steel industry.