7209.28.00.00 - Of a thickness of less than 0.5 mm

This HTS classification, 7209.28.00.00, specifically pertains to flat-rolled products of iron or nonalloy steel that have been cold-rolled (cold-reduced), are not clad, plated, or coated, have a width of 600 mm or more, and are presented *not in coils* and *not further worked* than the cold-rolling process. The defining characteristic of this category is its precise thickness: the steel must be less than 0.5 mm. This signifies a very thin gauge of steel, suitable for applications requiring flexibility and a lightweight profile.

This category is distinguished from its siblings by its strict thickness requirement. Unlike categories 7209.25.00.00 (0.5 mm or more but not exceeding 1 mm), 7209.26.00.00 (exceeding 1 mm but less than 3 mm), and 7209.27.00.00 (3 mm or more), the steel classified under 7209.28.00.00 is notably thinner. The "not in coils" and "not further worked" stipulations are also critical, ensuring that only finished, flat-rolled steel sheets meeting the thickness criterion are included here, excluding items that have undergone additional processing or are presented in coil form.

As a leaf node within the HTS structure, there are no further subcategories to introduce for 7209.28.00.00. Therefore, classification into this specific code relies entirely on confirming all the preceding criteria: the material being iron or nonalloy steel, the form being flat-rolled, the width being 600 mm or more, the process being cold-rolled, the absence of cladding, plating, or coating, its presentation not in coils, its state not being further worked than cold-rolled, and critically, its thickness being under 0.5 mm. Examples of goods that might fall into this category include very thin steel sheets used in precision electronics, specialized packaging, or certain decorative applications where extreme thinness is a key attribute.