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SITCSection 6
U.S. imports of unwrought tin alloy (SITC 68712) totaled $2.7M in April 2026, traded with 15 countries.
Unwrought Tin Alloy imports of $2.7M in April 2026 ran 20% below the year-to-date monthly average of $3.4M.
Last updated: April 2026 dataUnwrought tin alloys — primary forms such as ingots or slabs containing deliberate additions of lead, antimony, copper, silver, or bismuth — are the starting material for solder alloys, babbitt bearing metals, and pewter. The specific alloy composition governs both the product's classification and its end-use suitability: lead-free solder alloys (e.g., Sn-Ag-Cu systems) are increasingly mandated by RoHS and similar electronics regulations, while lead-tin alloys remain in use for certain industrial and plumbing applications where exemptions apply. Importers should confirm alloy chemistry against the declared HTS heading to avoid misclassification between this heading and unwrought unalloyed tin.
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Unwrought tin-lead alloy in ingot or slab form — before it is drawn into wire or otherwise fabricated — generally classifies as unwrought tin alloy. Once the alloy is drawn into solder wire or formed into solder paste, it moves to a different tariff heading covering soldering preparations or wire forms. The physical form at time of import is the key classification determinant.
RoHS and similar regulations restrict lead content in electronics applications, pushing manufacturers toward Sn-Ag-Cu and other lead-free alloy systems. Importers supplying electronics assemblers must ensure alloy certificates confirm compliance with applicable substance restrictions, and should maintain traceability documentation through the supply chain to support downstream compliance audits.
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Monthly import values over time