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U.S. imports of flexible tubing of base metal (other than iron or steel) (HS 830790) totaled $5.5M in July 2026, traded with 33 countries.
Importers of Flexible Tubing of Base Metal (Other Than Iron or Steel) paid $579K in duties in July 2026 — an effective duty rate of 15% on $3.9M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Flexible tubing fabricated from base metals other than iron or steel — most commonly aluminum, copper, or brass — serves precision fluid-handling, instrumentation, and specialty industrial applications where corrosion resistance or weight savings are priorities. The US schedule mirrors the iron/steel heading by splitting on fittings: with fittings (8307903000) and without fittings (8307906000). Israel leads US imports under this heading, followed by Mexico and Canada; Mexico and Canada qualify for USMCA preferential treatment, which can meaningfully reduce landed cost relative to other origins.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
463 shipments/mo
Aluminum, copper, brass, and nickel alloys are the most commercially common non-ferrous base metals used in flexible tubing under this heading. The specific metal affects corrosion resistance, pressure ratings, and end-use suitability, but does not create separate HTS subdivisions within 830790 — all non-iron, non-steel base metal flexible tubing falls under the same heading.
To claim USMCA preferential treatment, the importer must possess a valid certification of origin from the producer or exporter at the time of entry. The certification must confirm that the tubing meets the applicable tariff shift or regional value content rule under USMCA Annex 4-B. CBP may request supporting production records during a post-entry audit.
HSChapter 83
Subheading 2 of 2 in heading 8307
Subheading 830790 · $5.5M of $30.9M
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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 |
|---|---|---|---|---|---|
| 8307906000 | Flexible Tubing, Base Metl Ex Ios, W/O Fittings | $2.8M | 11.70% | 64.50% | $332K |
| 8307903000 | Flexible Tubing, Base Metal Exc Ios, With Fittings | $2.7M | 9.12% | 76.84% | $247K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8307900000 | Flexible Tubing of Base Metal not Iron or Steel | $6.4M |
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.
ImportsExports
Imports
$5.5MYoY · Pro
Exports
$6.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and Israel together supply 49% of it.
customs district
destination
entry
rate provision · imports
28.6% enters free of duty; the effective duty rate is 10.44%.