<h1>Understanding Base Metals & Articles: Classification, Exclusions, and Definitions Under Chapters 72-83 of Central Excise Tariff</h1> The classification and coverage of base metals and articles of base metal under Chapters 72 to 83 of the Central Excise Tariff. It specifies exclusions such as prepared paints, ferro-cerium, and goods from other sections like machinery and vehicles. Definitions are provided for terms like 'parts of general use,' 'base metals,' 'cermets,' and 'alloys.' The classification of alloys and composite articles is based on the predominance of base metals by weight. Processes like breaking up ships and drawing wire are considered manufacturing. An amendment note highlights a change in the classification of certain articles.