Non-Alloy Aluminum Rectangular Plates, Sheets, and Strip — Over 0.2 mm Thick

The 6.3 mm boundary separates aluminum plate (above 6.3 mm, line 7606113030) from sheet and strip (0.2–6.3 mm, line 7606113060) for non-clad, non-alloy material. This distinction matters because plate and sheet may carry different column 1 duty rates and are treated differently in antidumping scope determinations. Mill certifications should clearly state the nominal and measured thickness to support the correct line at entry.

Clad aluminum flat-rolled products consist of a core alloy bonded on one or both surfaces with a different aluminum alloy layer, typically for brazing applications (such as automotive heat exchangers) or corrosion protection. Under heading 760611, clad non-alloy rectangular products are classified separately under 7606116000 rather than with the non-clad lines. The cladding must be metallurgically bonded — not merely coated or painted — to trigger this classification, and a product data sheet or cross-section analysis may be needed to confirm the construction.