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HSChapter 84
U.S. imports of ships' and boats' propellers & blades (HS 848710) totaled $6.9M in July 2026, traded with 39 countries.
Importers of Ships' and Boats' Propellers & Blades paid $348K in duties in July 2026 — an effective duty rate of 11% on $3.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataMarine propellers and their individual blades — whether fixed-pitch, controllable-pitch, or azimuth-type — are classified under heading 8487, with the US schedule distinguishing copper-alloy propellers (8487100040) from those made of other materials (8487100080). Nickel-aluminum bronze is the dominant alloy in commercial and naval applications, making material composition a key classification and specification variable. Taiwan leads US imports under this heading, with the United Kingdom and Finland also among the top suppliers — the latter two reflecting European expertise in high-performance propulsion systems for commercial shipping and offshore vessels.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
258 shipments/mo
Propellers and blades made of copper alloys — most commonly nickel-aluminum bronze or manganese bronze — are classified under 8487100040. Those made of stainless steel, composite materials, or other non-copper metals fall under 8487100080. The alloy composition should be confirmed by a material certificate or mill test report, as CBP may request metallurgical documentation for high-value marine propulsion components.
Importers should conduct a current AD/CVD order search through the International Trade Administration's Enforcement and Compliance database before entry, as trade-remedy coverage can change. The material and country of origin are both relevant variables, since orders are product- and country-specific. A licensed customs broker can assist in determining whether a specific shipment falls within the scope of any active order.
Subheading 2 of 2 in heading 8487
Subheading 848710 · $6.9M of $50.7M
ImportsExports
Imports
$6.9MYoY · Pro
Exports
$7.5MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Taiwan and Belgium together supply 68% of it.
customs district
destination
entry
rate provision · imports
23.7% enters free of duty; the effective duty rate is 5.03%.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8487100080 | Ships' Propellers and Blades, Except Copper | $6.4M | 4.68% | 43.13% | $297K |
| 8487100040 | Ships' Propellers and Blades of Copper | $573K | 8.89% | 87.40% | $51K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8487100000 | Ships' Propellers and Blades Therefor | $7.5M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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