Universal mill plate is rolled on a mill with both horizontal and vertical rolls, producing a product with rolled edges rather than flame-cut or sheared edges. This results in tighter width tolerances and a distinct edge profile. The designation is relevant for structural applications where edge quality affects fit-up in welded assemblies, and it has its own 10-digit line because the production method and dimensional characteristics differ from conventionally rolled plate.

Section 232 tariffs apply to steel imports from most countries, but the specific treatment for any given origin can be modified by proclamation, quota agreement, or exclusion. Importers should verify the current Section 232 status for Malaysia and Australia with CBP or a licensed customs broker at the time of entry, as country-specific arrangements have changed over time and may affect the applicable duty rate.