Importers of HS 8302.41 (of iron or steel, of aluminum or of zinc) from Vietnam actually paid 27.75% on the taxed portion of the value in 2026-06 — 27.75% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3.9%. Over the window the rate on the taxed portion moved 3.75% → 27.75%, with the largest single step +9.2pp in 2025-06. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.9% — importers actually paid 27.75%, so the trade-war overlay added 23.9 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8302.41", origin: "Vietnam") · see it at trimtabist.com/tariffs
HS 8302.41. The schedule base rate is 3.9%; importers from Vietnam actually paid 27.75% on the dutiable value in 2026-06 — the trade-war overlay added 23.9 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 3.75% (2023-07) → 27.75% (2026-06), largest single step +9.2pp in 2025-06.
Vietnam's lower duty (27.75% vs 41.74%) lets it price up to 11% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Vietnam actually lands cheaper — $5.85/kg vs $7.63/kg (duty in, freight out).
All goods from Vietnam · the whole tariff ledger · 9 CBP rulings cite this code · reproduce: tariff_story(hs: "8302.41", origin: "Vietnam") via /connect. Not customs or legal advice.