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HSChapter 83
U.S. imports of base metal mountings, fittings & similar articles for buildings (HS 830241) totaled $110.5M in April 2026, traded with 55 countries.
Importers of Base Metal Mountings, Fittings & Similar Articles for Buildings paid $28.6M in duties in April 2026 — an effective duty rate of 29% on $97.9M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataArchitectural hardware — door closers (non-automatic), door stops, knockers, kick plates, escutcheons, curtain and drapery hardware, and related building fittings — is classified here, with the US schedule subdividing extensively by article type and then by metal composition (iron/steel/aluminum/zinc versus other base metals). China is the primary supplier, with Taiwan and Mexico also significant. Section 301 tariffs apply broadly to China-origin goods in this heading, making supplier diversification to Vietnam and Taiwan an active strategy for hardware distributors and construction-product importers.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Non-automatic door closers — those requiring manual operation or that use simple spring tension without a hydraulic or pneumatic self-closing mechanism — fall under 8302413000. Automatic door closers, which use hydraulic fluid or compressed air to control closing speed and force without manual intervention, are classified under heading 8302.60. The distinction is functional and should be supported by product specifications.
Because the US schedule splits building hardware lines by material — iron/steel, aluminum, or zinc in one group versus other base metals in another — importers need supplier-provided material certifications or mill test reports confirming the primary metal. Misidentifying, for example, a zinc-alloy fitting as 'other base metal' can result in classification errors and potential penalties.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8302416080 | OTHR MOUNTINGS/FITTNGS/ETC IRON,STEEL,ALUMIN,ZINC | $39.4M | 33.08% | $10.2M |
| 8302416045 | DOOR HARDWARE NESOI, IRON, STEEL, ALUMINUM OR ZINC | $34.3M | 27.13% | $8.7M |
| 8302416050 | HDWR FOR CURTAINS DRAPRS A SHADES, IR/ST AL OR ZN | $12.9M | 31.58% | $3.9M |
| 8302419045 | DOOR HARDWARE NESOI, BASE METAL EXC IR ST AL OR ZN | $9.7M | 27.13% | $2.5M |
| 8302419080 | OTHER MOUNTINGS ETC FOR BLDGS NESOI BAS METL NESOI | $5.5M | 17.92% | $878K |
| 8302413000 | DOOR CLSRS (EXC ATMTC) A PTS, BS MTL, FOR BUILDING | $2.7M | 38.70% | $1.1M |
| 8302416015 | DOORSTOPS PLS KNCKRS CHNS KCKPL ESC IR ST AL OR ZN | $2.5M | 28.40% | $696K |
| 8302419015 | DOORSTOPS PLS KNCKRS CHNS KCKPL ESCUT BS MTL NESOI | $2.3M | 19.81% | $412K |
| 8302419050 | OTH MNTG/FTG/ETC CRTNS/DRPS/WNDW SHDS;OTH BASE MTL | $1.1M | 15.70% | $165K |
OTHR MOUNTINGS/FITTNGS/ETC IRON,STEEL,ALUMIN,ZINC
DOOR HARDWARE NESOI, IRON, STEEL, ALUMINUM OR ZINC
HDWR FOR CURTAINS DRAPRS A SHADES, IR/ST AL OR ZN
DOOR HARDWARE NESOI, BASE METAL EXC IR ST AL OR ZN
OTHER MOUNTINGS ETC FOR BLDGS NESOI BAS METL NESOI
DOOR CLSRS (EXC ATMTC) A PTS, BS MTL, FOR BUILDING
DOORSTOPS PLS KNCKRS CHNS KCKPL ESC IR ST AL OR ZN
DOORSTOPS PLS KNCKRS CHNS KCKPL ESCUT BS MTL NESOI
OTH MNTG/FTG/ETC CRTNS/DRPS/WNDW SHDS;OTH BASE MTL
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8302418075 | OTH BS METL MNTNGS FTTNGS ETC FOR BUILDINGS, NESOI | $14.1M |
| 8302418035 | OTH BASE METL MOUNTNGS FTTNGS ETC FOR DOORS | $8.1M |
| 8302413000 | DOOR CLSRS (EXC ATMTC) A PTS, BS MTL, FOR BUILDING | $3.0M |
| 8302418055 | OTH BASE METL MNTNGS FTTNGS ETC | $2.3M |
OTH BS METL MNTNGS FTTNGS ETC FOR BUILDINGS, NESOI
1.0M kg
OTH BASE METL MOUNTNGS FTTNGS ETC FOR DOORS
779.9K kg
DOOR CLSRS (EXC ATMTC) A PTS, BS MTL, FOR BUILDING
72.6K kg
OTH BASE METL MNTNGS FTTNGS ETC
183.3K kg
OTH BS METL MOUNTNGS FTTNGS ETC FOR MOTOR VEHICLES
HS 830230
LOCKS EXCEPT MOTOR VEHICLE OR FURNITURE, BASE METL
HS 830140
OTH BASE METL MOUNTNGS FTTNGS ETC FOR FURNITURE
HS 830242
HINGES, AND PARTS THEREOF, OF BASE METAL
HS 830210
STOPPERS, CAPS, LIDS, SEALS ETC NES, PRTS, BS METL
HS 830990
LOCKS OF A KIND USED ON MOTOR VEHICLES, BASE METAL
HS 830120
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | $26.4M | $5.8M | -$20.6M |
| Kansas | $12.1M | -- | -$12.1M |
| Texas | $9.0M | $2.3M | -$6.7M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $25.2M | -- | -$25.2M |
| OTAY MESA, CA | $12.1M | $1.2M | -$10.9M |
| LONG BEACH, CA | $9.9M | $605K | -$9.3M |