U.S. imports of Parts of Iron or Steel Chain (NESOI) (HS 731590) totaled $4.5M in August 2026, imported from 31 countries.
Importers of Parts of Iron or Steel Chain (NESOI) paid $2.5M in duties in August 2026, an average duty rate of 56.73% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 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.
372 import shipments a month
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.
Subheading 4 of 8 in heading 7315
Subheading 731590 · $4.5M of $46.1M
ImportsExports
Imports
$4.5MYoY · free account
Exports
$1.0MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $52.1M of Parts of Iron or Steel Chain (NESOI) and exported $16.1M.
Through August 2026. Source: U.S. Census Bureau.
Trade Directory
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 7315900000 | Parts of Irn/Stl Chain Exc Articulated Link Chain | $4.5M | 56.73% | 99.75% | $2.5M |
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 | $1.0M |
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.
Imports · August 2026
origin
Germany and China together supply 52% of it. China pays 77.2% duty; Germany 52.9%.
customs district
destination
entry
rate provision · imports
0.3% enters free of duty; duty collected equals 56.73% of imports for consumption.