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U.S. imports of parts of iron or steel chain (nesoi) (HS 731590) totaled $4.8M in July 2026, traded with 30 countries.
Importers of Parts of Iron or Steel Chain (NESOI) paid $2.8M in duties in July 2026 — an effective duty rate of 57% on $4.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Parts of Iron or Steel Chain (NESOI) imports of $4.8M in July 2026 ran 16% above the year-to-date monthly average of $4.2M.
Last updated: July 2026 dataReplacement and component parts for iron and steel chain — including connecting links, master links, repair links, and similar fittings — are classified separately from complete chains under 7315900000, covering parts of chain other than articulated link chain. Germany leads US supply for this heading, reflecting European manufacturers' strength in precision-engineered chain components for industrial and lifting applications, with China and Italy also significant sources. Correct classification requires confirming that the article is a dedicated chain part rather than a fastener or fitting classifiable elsewhere in Chapter 73.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
350 shipments/mo
Parts of chain under 7315.90 are components designed specifically for use with chain — such as master links, repair links, and coupling links — that are not themselves complete chain lengths. General-purpose fasteners, hooks, or shackles that can be used independently are typically classified elsewhere in Chapter 73 (e.g., under 7315.89 or 7316). The key test is whether the article's primary design function is to join or repair chain links.
Section 232 measures on steel articles apply broadly by product category and origin, and chain parts of iron or steel generally fall within scope. However, certain countries have negotiated exemptions, quotas, or alternative arrangements. Importers should verify the current Section 232 status for the specific country of origin with a licensed customs broker, as the landscape of exemptions has changed over time.
HSChapter 73
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Subheading 5 of 8 in heading 7315
Subheading 731590 · $4.8M of $49.3M
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 |
|---|---|---|---|---|---|
| 7315900000 | Parts of Irn/Stl Chain Exc Articulated Link Chain | $3.9M | 57.67% | 99.19% | $2.3M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7315900000 | Parts of Irn/Stl Chain Exc Articulated Link Chain | $1.8M |
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
$4.8MYoY · Pro
Exports
$690KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Germany and China together supply 49% of it.
customs district
destination
entry
rate provision · imports
0.5% enters free of duty; the effective duty rate is 57.16%.