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HSChapter 73
U.S. imports of central heating radiators and parts, iron or steel (non-cast iron) (HS 732219) totaled $1.3M in April 2026, traded with 23 countries.
Importers of Central Heating Radiators and Parts, Iron or Steel (Non-Cast Iron) paid $361K in duties in April 2026 — an effective duty rate of 29% on $1.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Central Heating Radiators and Parts, Iron or Steel (Non-Cast Iron) imports of $1.3M in April 2026 ran 51% above the year-to-date monthly average of $835K.
Last updated: April 2026 dataPanel and tubular steel radiators — the flat, welded-steel type common in European-style hydronic systems — fall here rather than under the cast iron subheading, with all trade consolidated into 7322190000. Taiwan leads US supply, followed by India and Poland, a supplier profile that reflects strong European manufacturing heritage alongside growing Asian capacity. Because these radiators are often imported as finished building-products components, importers should confirm that the iron or steel substrate is not cast iron; misclassification between 732211 and 732219 is a recurring audit issue.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Welded steel panel radiators require different manufacturing infrastructure — primarily sheet-metal stamping and welding — than cast iron sectional radiators. Taiwan, India, and Poland have well-established sheet-metal fabrication industries suited to panel radiator production, whereas cast iron foundry capacity is more concentrated in different regions.
No. Expansion vessels and thermostatic valve bodies are generally classified under their own headings (e.g., Chapter 84 for pressurized vessels or Chapter 84/85 for valves), not under 732219, which is limited to the radiator units themselves and their direct parts. A licensed customs broker should review the specific component before filing.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| TAIWAN | $570K | -- | -$570K |
| CANADA | $3K | $408K | +$405K |
| SWITZERLAND | $334K | -- | -$334K |
| POLAND | $91K | -- | -$91K |
| UNITED KINGDOM | $71K | -- | -$71K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7322190000 | RADIATORS FOR CNTRL HTNG AND PARTS, IOS EXC CSTIRN | $1.3M | 28.64% | $361K |
RADIATORS FOR CNTRL HTNG AND PARTS, IOS EXC CSTIRN
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7322190000 | RADIATORS FOR CNTRL HTNG AND PARTS, IOS EXC CSTIRN | $483K |
RADIATORS FOR CNTRL HTNG AND PARTS, IOS EXC CSTIRN
13.4K no
ARTICLES OF IRON OR STEEL NESOI
HS 732690
STRUCTURES AND PARTS NESOI OF IRON OR STEEL
HS 730890
THREADED SCREWS AND BOLTS NESOI OF IRON OR STEEL
HS 731815
COOKING APPLIANCES ETC FOR GAS FUEL, IRON OR STEEL
HS 732111
NUTS OF IRON OR STEEL
HS 731816
TABLE, KITCHEN ETC ARTICLES & PTS, STAINLESS STEEL
HS 732393
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | $570K | $11K | -$559K |
| Massachusetts | $147K | $256K | +$109K |
| Montana | $307K | -- | -$307K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES INTERNATIONAL AIRPORT, CA | $298K | $18K | -$280K |
| SEATTLE-TACOMA INTERNATIONAL AIRPORT, WA | $307K | -- | -$307K |
| ANCHORAGE, AK | $260K | -- | -$260K |