Steel producers like Cleveland Cliffs and Steel Dynamics both said this week that they raised prices after President Trump imposed a 50 percent tariff on imports.

American steel makers are raising prices, forcing new costs onto domestic manufacturers that make everything from cars to military tanks. The increases come on the back of President Trump’s tariffs on steel and aluminum.

Two big American producers, Cleveland-Cliffs and Steel Dynamics, reported on Monday that they had charged more for their products in the second quarter of this year than they did in the first quarter.

About a fifth of the steel sold in the United States is imported. The steel tariffs, which were raised last month to 50 percent from 25 percent, have made imports of the metal much more expensive. And as imports have declined, American producers have more power to opportunistically increase their prices, buyers said.

“You always see that as one of the