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HSChapter 72
U.S. exports of lead-coated or terne-plated flat iron or nonalloy steel, 600mm or wider (HS 721020) totaled $107K in June 2026, traded with 1 country.
Terne plate — flat-rolled nonalloy steel coated with a lead-tin alloy — occupies a narrow but specialized niche, historically used in roofing, fuel tanks, and certain automotive components where the coating's solderability and corrosion resistance matter more than the environmental concerns that have curtailed its broader use. Classified under 7210200000, all such imports are subject to Section 232 tariffs. Taiwan leads US supply, with Canada and China also present in the import stream.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
While CBP handles tariff classification, lead-containing materials may be subject to EPA regulations depending on end use, particularly in consumer products or applications governed by the Toxic Substances Control Act. Importers should assess whether the intended application triggers any federal or state restrictions on lead content before committing to terne plate sourcing.
The key distinction is the coating metal: terne plate uses a lead-tin alloy, placing it under HTS 7210200000, while zinc-coated products fall under 7210.30, 7210.41, or 7210.49 depending on the application method and form. Mill certifications identifying the coating composition are essential to support the correct classification.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | -- | $35K | +$35K |
| MEXICO | -- | $25K | +$25K |
| GERMANY | -- | $17K | +$17K |
| NETHERLANDS | -- | $15K | +$15K |
| SINGAPORE | -- | $6K | +$6K |
Monthly import values over time
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 |
|---|---|---|---|---|
| 7210200000 | FLT RLD IOS NA GT/=600MM,CTD/PLTD W/LEAD,TERNPLT | $0 | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7210200000 | FLT RLD IRN/NA GT=600MM,CTD/PLTD W/LEAD,TERNPLT | $107K |
NONALLOY PIG IRON 0.5 PRCNT OR LESS PHOSPHORUS
HS 720110
SMFD IRN/NAL STL LT .25 PCT CRB RECT CS WID 2X THK
HS 720712
SEMIFINISHED PRODUCTS OF ALLOY STEEL NOT STAINLESS
HS 722490
FERROCHROMIUM OVER 4 PERCENT CARBON
HS 720241
FR IOS NAL 600MM AO W TIN CTD OR PLTD UNDR 0.5MM T
HS 721012
FERROUS WASTE & SCRAP NESOI
HS 720449
| State | Imports | Exports | Balance |
|---|---|---|---|
| New York | -- | $77K | +$77K |
| Missouri | -- | $25K | +$25K |
| Connecticut | -- | $4K | +$4K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| BUFFALO-NIAGARA FALLS, NY | -- | $35K | +$35K |
| JFK INTERNATIONAL AIRPORT, NY | -- | $32K | +$32K |
| YSLETA, TX | -- | $25K | +$25K |