Importers of HS 7601.20 (of uniform cross section throughout its length, the least cr) from Korea, South actually paid 50% on the taxed portion of the value in 2026-06 — 50% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 2.6%. Over the window the rate on the taxed portion moved 10% → 50%, with the largest single step +50pp in 2025-07. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 2.6% — importers actually paid 50%, so the trade-war overlay added 47.4 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "7601.20", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 7601.20. The schedule base rate is 2.6%; importers from South Korea actually paid 50% on the dutiable value in 2026-06 — the trade-war overlay added 47.4 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 10% (2023-07) → 50% (2026-06), largest single step +50pp in 2025-07.
Korea, South's lower duty (50% vs 76.44%) lets it price up to 17.6% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Korea, South actually lands cheaper — $4.56/kg vs $7.23/kg (duty in, freight out).
15 Chapter-99 measures name Korea, South; scope mapping is partial (several annexes are PDFs) — absence never means exemption. They do not sum, and some are product-specific — the collected rate above is the composed truth.
All goods from South Korea · the whole tariff ledger · 3 CBP rulings cite this code · reproduce: tariff_story(hs: "7601.20", origin: "South Korea") via /connect. Not customs or legal advice.