Iron and steel granules — produced by atomizing or granulating molten pig iron, spiegeleisen, or steel — serve as a dense, free-flowing charge material in electric arc furnaces, a weighting agent in heavy concrete and radiation shielding, and a blasting abrasive in surface preparation. The granulated form distinguishes this product from cast pigs or ingots and from shot or grit classified under abrasive headings, making the physical form and intended use key classification anchors. Section 232 tariffs apply to these iron and steel primary forms, and importers should confirm whether the granules are derived from carbon or alloy base material, as this affects downstream classification of any further-processed product. Particle size distribution and bulk density specifications on the commercial invoice support both classification and quality acceptance by the receiving facility.

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