U.S. President Donald Trump hiked nearly all of his tariffs on steel and aluminum imports to a punishing 50% on Wednesday in a move that’s set to hammer businesses from automakers to home builders, and likely push up prices for consumers even further.

US tariffs on steel and aluminum doubled to 50% as of 12:01 am ET on Wednesday, a move cheered by the beleaguered US steel industry but decried by heavy users of the metals, from car makers to can manufacturers.