A387 Grade 11 Heat-Resistant Alloy Steel Plate
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not alloy steel by composition
Insufficient alloying elements shifts to carbon steel plates of thickness ≥4.75 mm.
If of grain-oriented silicon-electrical steel
Silicon-electrical steel variants have dedicated subheadings even if alloy composition overlaps.
If thickness <3 mm and certain carbon levels
Thin hot-rolled carbon steel sheets fall under 7208 if alloy limits not met.
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Import Tips & Compliance
• 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
Related Products under HTS 7225.99.00.90
A516 Grade 70 Pressure Vessel Steel Plate
Flat-rolled alloy steel plate meeting ASTM A516 Grade 70 specifications, with a width exceeding 600 mm, used for fabricating pressure vessels and boilers. Classified under HTS 7225.99.0090 as other flat-rolled products of alloy steel not cold-rolled, not further worked, and not fitting specific alloy steel subheadings. The alloy composition exceeds general carbon steel limits, qualifying it as 'other alloy steel' per Chapter 72 notes.
A514 Grade B High-Yield Strength Alloy Steel Plate
ASTM A514 Grade B quenched and tempered alloy steel plate over 600 mm wide for structural applications requiring high strength-to-weight ratio. Classified in 7225.99.0090 as other flat-rolled alloy steel, hot-rolled, not further worked. Meets alloy steel criteria through combined nickel, chromium, and molybdenum content.
A353 Grade Ni-Ni Alloy Steel Plate for Low-Temperature Service
ASTM A353 nickel-alloyed steel plate (9% nickel) over 600 mm wide for cryogenic applications like LNG tanks. HTS 7225.99.0090 covers this as other flat-rolled alloy steel not fitting tool steel, electrical, or other specific categories. High nickel qualifies as alloy steel.
SA-204 Grade B Chromium-Molybdenum Alloy Steel Plate
ASME SA-204 Grade B pressure vessel quality alloy steel plate, width ≥600 mm, with 0.5% Cr and 0.5% Mo for high-temperature service. Fits HTS 7225.99.0090 as other flat-rolled alloy steel, hot-rolled, not cold-rolled or further worked. Alloy elements per Chapter 72 definitions.
A302 Grade A Manganese-Molybdenum Alloy Steel Plate
ASTM A302 Grade A normalized manganese-molybdenum alloy steel plate >600 mm wide for pressure vessels. Classified 7225.99.0090 as other hot-rolled alloy steel flat products. Molybdenum content (0.45-0.65%) establishes alloy status.
Universal Mill Alloy Steel Plate 4140 Grade
4140 chromium-molybdenum alloy steel plate rolled on universal mill, 610 mm wide × 50 mm thick, per note (b) dimensions. HTS 7225.99.0090 for other alloy steel not cold-rolled. 1% Cr + 0.2% Mo qualifies as alloy.