A387 Grade 11 Heat-Resistant Alloy Steel Plate from Japan

ASTM A387 Grade 11 flat-rolled alloy steel plate, width over 600 mm, containing 1-1.5% chromium for elevated-temperature service in refineries. Falls under HTS 7225.99.0090 as 'other' alloy steel flat-rolled products not cold-rolled or further worked. Chromium content qualifies as alloy steel per Chapter 72 definitions.

Duty Rate — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Include heat analysis certificates proving chromium content >1% to distinguish from carbon steels

Verify no 'further working' per Chapter notes (no polishing, coating, etc.) to maintain classification

Check for universal mill plate criteria; narrow widths may require different heading