European steel buyers and some manufacturers could benefit from 50% U.S. tariffs on the metal, but the potential for the eye-watering duty rate has rocked the already struggling industry. U.S. steel prices are set to climb further as a result of the higher tariff rate expected to come into effect this week,

Officials from the European Union and the United States will start a new negotiating push, after President Trump delayed until July 9 tariffs of 50 percent.

Salzgitter, Germany's second-biggest steelmaker, on Monday warned that Washington's tariff policy was dealing a severe blow to European industry, after the U.S. administration unveiled plans to double steel import levies to 50%.