The U.S. Department of Commerce today expanded Section 232 tariff coverage to include additional steel and aluminum derivative products, with affected items now subject to a 50% tariff effective immediately. Products added include electrical steel laminations and cores and specified stainless steel automotive exhaust parts, among others. The move follows a new tariff-inclusion process under Section 232 aimed at capturing goods that incorporate significant steel content but were previously outside the scope of the measures. The expansion comes amid broader trade actions that have raised effective tariff rates and extended coverage across hundreds of derivative lines. U.S. steelmaker Cleveland-Cliffs (NYSE: CLF) publicly applauded the decision, asserting it will support domestic producers facing increased import competition in downstream components. Market observers flagged potential implications for automotive and electrical equipment supply chains depending on the breadth of the covered HS codes. The announcement adds to the current trade policy landscape that already includes elevated duties on primary steel and aluminum products. Further administrative details on product definitions and enforcement are expected via Commerce notices and customs guidance.