Importers of HS 7411.10 (seamless) from Korea, South actually paid 49.55% on the taxed portion of the value in 2026-06 — 49.48% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 1.5%. Over the window the rate on the taxed portion moved 1.5% → 49.55%, with the largest single step +47.4pp in 2025-08. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 1.5% — importers actually paid 49.55%, so the trade-war overlay added 48 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "7411.10", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 7411.10. The schedule base rate is 1.5%; importers from South Korea actually paid 49.55% on the dutiable value in 2026-06 — the trade-war overlay added 48 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 1.5% (2023-07) → 49.55% (2026-06), largest single step +47.4pp in 2025-08.
Korea, South's lower duty (49.48% vs 75.54%) lets it price up to 17.4% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $7.85/kg vs $18.89/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · 1 CBP ruling cite this code · reproduce: tariff_story(hs: "7411.10", origin: "South Korea") via /connect. Not customs or legal advice.