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HSChapter 73
U.S. imports of cast iron central heating radiators and parts (HS 732211) totaled $289K in July 2026, traded with 7 countries.
Importers of Cast Iron Central Heating Radiators and Parts paid $62K in duties in July 2026 — an effective duty rate of 24% on $260K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataCast iron central heating radiators occupy a niche in hydronic heating systems where thermal mass and longevity are prioritized over lightweight modern alternatives. The entire heading consolidates into a single 10-digit line, 7322110000, simplifying entry filing but placing all classification weight on confirming the cast iron material specification. China leads US imports under this heading, with the United Kingdom and South Korea also among the top suppliers — a notably diverse geographic mix that reflects both legacy European manufacturing and Asian production capacity. Section 232 tariff exposure applies to steel and iron articles from certain origins, so importers should verify current applicability at the time of entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
23 shipments/mo
The material specification is the sole distinguishing criterion: 732211 covers radiators and their parts made of cast iron, while 732219 covers radiators of iron or steel that are not cast iron (e.g., stamped or welded steel panel radiators). Importers should obtain mill certificates or material test reports from the manufacturer to confirm the alloy type before classification.
Parts of cast iron central heating radiators are explicitly included within 732211 (HTS 7322110000), so individual sections, headers, and fittings that are identifiable as parts of these radiators should classify here rather than as general cast iron articles elsewhere in Chapter 73.
Subheading 3 of 3 in heading 7322
Subheading 732211 · $289K of $62.1M
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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 |
|---|---|---|---|---|---|
| 7322110000 | Radiators for Centrl Htng and Parts, Cast Iron | $289K | 21.51% | 89.88% | $62K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7322110000 | Radiators for Centrl Htng and Parts, Cast Iron | $81K |
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
$289KYoY · Pro
Exports
$81KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
China and United Kingdom together supply 89% of it.
customs district
destination
entry
rate provision · imports
10.1% enters free of duty; the effective duty rate is 21.51%.