HS 721921

Hot-Rolled Flat-Rolled Stainless Steel, Not in Coils, ≥600 mm Wide, Over 10 mm Thick

U.S. imports of hot-rolled flat-rolled stainless steel, not in coils, ≥600 mm wide, over 10 mm thick (HS 721921) totaled $14.3M in April 2026, traded with 15 countries.

Last updated: April 2026 data

Subject to Section 232 tariffs on steel imports, this heading covers heavy-gauge hot-rolled stainless steel plate — not in coil form — with a width of 600 mm or more and thickness exceeding 10 mm, a specification typical of heavy industrial, pressure vessel, and structural fabrication applications. The US tariff lines under this heading (7219210005 through 7219210060) further subdivide by width bands — under 1,575 mm, 1,575–1,880 mm, and over 1,880 mm — reflecting the plate-mill output dimensions relevant to end-use cutting and forming operations. Belgium, Slovenia, and Sweden are the leading suppliers, with Taiwan and South Korea also significant sources.

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Imports

$14.3M

from 15 countries · YTD: $46.6M

Exports

$7.2M

Deficit of $7.1M (net importer)

Trade balance: deficit of $7.1M (net importer)

YTD: $46.6M imported (April 2026)

411 shipments/month

Top Import Sources

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1SLOVENIA

Import Trend (12 months)

Monthly import values over time

Geographic Breakdown

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SMFD IRN/NAL STL LT .25 PCT CRB RECT CS WID 2X THK

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Frequently Asked Questions

Are imports under this heading subject to Section 232 steel tariffs?

Yes. Flat-rolled stainless steel falls within the scope of Section 232 measures on steel imports. However, certain countries have negotiated exemptions, quota arrangements, or alternative agreements, so the effective duty treatment depends on the country of origin. Importers should verify current Section 232 status for their specific supplier country with a licensed customs broker.

Which countries are the primary US suppliers of this heavy stainless steel plate?

Belgium, Slovenia, and Sweden are the top three suppliers under this heading, followed by Taiwan and South Korea. European suppliers dominate, reflecting the concentration of specialty stainless plate mill capacity in those countries, though Section 232 treatment and any applicable exclusions vary by origin.