HTS 8404.10.00 — rate composition
Base rate and applicable layers for this code, with an embedded calculator.
HTS 8404.10.00 (Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof: — Auxiliary plant for use with boilers of heading 8402 or 8403) carries an MFN general rate of 3.5% on U.S. imports; China-origin entries additionally stack Global Section 301 (CN, 12.5% tier). Example (origin CN · $10,000 · sea formal entry): duties + fees ≈ $1,647.14.Data as of 2026-09-19 (ruleset v0.3.1).
Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof: — Auxiliary plant for use with boilers of heading 8402 or 8403
USITC: 3.5%
Duty layers
| Layer | Rate | Amount | Basis |
|---|---|---|---|
Base duty (MFN) Active | 3.5% | $350.00 | HTS Column 1 general rate ↗ |
Global Section 301 (CN, 12.5% tier) In litigation | 12.5% | $1,250.00 | Trade Act 1974 §301 (global forced-labor program; FR 2026-15181 §1(a)(iii)) ↗ |
| Harbor Maintenance Fee (HMF) | 0.125% | $12.50 | 26 U.S.C. §4461 / 19 CFR 24.24 (sea & water shipments only) |
| Merchandise Processing Fee (MPF) | 0.3464% (once per entry, min $33.58 / max $651.50) | $34.64 | 19 U.S.C. §58c, FY2026 (from 2025-10-01) |
Example: origin CN · $10,000 · sea formal entry · date 2026-09-19
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U.S. full regime: MFN + 301 + 232 + MPF/HMF
Selected: Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof: — Auxiliary plant for use with boilers of heading 8402 or 8403 · Base 3.5%
FAQ
What is the U.S. import tariff rate for HTS 8404.10.00?
HTS 8404.10.00 (Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof: — Auxiliary plant for use with boilers of heading 8402 or 8403) carries an MFN general rate of 3.5% on U.S. imports; China-origin entries additionally stack Global Section 301 (CN, 12.5% tier). Example (origin CN · $10,000 · sea formal entry): duties + fees ≈ $1,647.14.Data as of 2026-09-19 (ruleset v0.3.1).
Do MPF/HMF fees apply to HTS 8404.10.00?
Yes. Fees are not duties and are charged per entry: Harbor Maintenance Fee (HMF) 0.125%; Merchandise Processing Fee (MPF) 0.3464% (once per entry, min $33.58 / max $651.50). ≈ $47.14 on the $10,000 formal-entry example; postal shipments ≤$2,500 use informal entry with fixed fees instead.