Flat-rolled alloy steel plates and cut lengths 600 mm or wider, hot-rolled and not in coil form, serve heavy industrial end uses including pressure vessels, mining equipment, and specialty tooling. The US schedule is notably granular, with separate 10-digit lines for high-speed steel, ball-bearing steel, tool steel, high-nickel alloy steel, and other alloy grades — each split further by thickness relative to 4.75 mm (see children codes 7225400002 through 7225407000). Sweden and Canada are the leading suppliers, reflecting those countries' established specialty steel industries. Section 232 tariffs apply across this heading, and antidumping orders on certain alloy steel flat products from specific origins may also be relevant.

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