Importers of HS 7412.20 (of copper alloys) from Taiwan actually paid 52.05% on the taxed portion of the value in 2026-06 — 52.05% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3%. Over the window the rate on the taxed portion moved 3% → 52.05%, with the largest single step +31.2pp in 2025-08. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3% — importers actually paid 52.05%, so the trade-war overlay added 49 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "7412.20", origin: "Taiwan") · see it at trimtabist.com/tariffs
HS 7412.20. The schedule base rate is 3%; importers from Taiwan actually paid 52.05% on the dutiable value in 2026-06 — the trade-war overlay added 49 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 3% (2023-07) → 52.05% (2026-06), largest single step +31.2pp in 2025-08.
Taiwan's lower duty (52.05% vs 77.1%) lets it price up to 16.5% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $26.44/kg vs $28.11/kg (duty in, freight out).
All goods from Taiwan · the whole tariff ledger · reproduce: tariff_story(hs: "7412.20", origin: "Taiwan") via /connect. Not customs or legal advice.