Yes. Section 232 tariffs apply separately to steel and aluminum products, and the applicable rates and exclusion processes differ between the two metals. Aluminum body stampings are assessed under the aluminum Section 232 action, while steel stampings fall under the steel action. Importers should classify each material stream separately and check for any product-specific exclusions relevant to their parts.

Substantial transformation for metal stampings is assessed by whether the stamping process creates a new and different article with a distinct name, character, and use from the input coil or blank. In most cases, stamping flat steel or aluminum into a shaped automotive panel is considered a substantial transformation, establishing the country where stamping occurs as the country of origin—but complex multi-country operations should be reviewed with a customs attorney.