Importers of HS 8477.10 (other) from Korea, South actually paid 10.29% on the taxed portion of the value in 2026-06 — 10.29% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3.1%. Over the window the rate on the taxed portion moved 3.1% → 10.29%, with the largest single step +14.1pp in 2025-09. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.1% — importers actually paid 10.29%, so the trade-war overlay added 7.2 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8477.10", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 8477.10. The schedule base rate is 3.1%; importers from South Korea actually paid 10.29% on the dutiable value in 2026-06 — the trade-war overlay added 7.2 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 3.1% (2023-07) → 10.29% (2026-06), largest single step +14.1pp in 2025-09.
Korea, South's lower duty (10.29% vs 38.18%) lets it price up to 25.3% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Korea, South actually lands cheaper — $5.53/kg vs $8.48/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · 1 CBP ruling cite this code · reproduce: tariff_story(hs: "8477.10", origin: "South Korea") via /connect. Not customs or legal advice.