Other
Flat-rolled products of other alloy steel, of a width of 600 mm or more. > Other: > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 7225.99
15CrMo Alloy Steel Pressure Vessel Sheet
> 15CrMo is a low-alloy chromium-molybdenum steel, flat-rolled into sheets for boiler and pressure vessel applications. With a width exceeding 600 mm, it meets the definition of flat-rolled products of other alloy steel. It does not match the specific subheadings for heat-resisting or electrical steels, so it falls under this residual "Other" item.
7225.99.00A204 Grade C Molybdenum Alloy Steel Plate
> A204 Grade C is a molybdenum alloy steel plate with 0.5% molybdenum, supplied flat-rolled with a width of 700 mm and thickness of 40 mm. It is used for pressure vessels. This product is classified as other alloy steel, not stainless or electrical, and falls under the "Other" item.
7225.99.00A302 Grade A Manganese-Molybdenum Alloy Steel Plate
ASTM A302 Grade A is a normalized manganese-molybdenum alloy steel plate supplied in widths exceeding 600 mm, primarily used for pressure vessel fabrication. Its molybdenum content of 0.45% to 0.65% by weight classifies it as other alloy steel under heading 72.25, as it does not meet the definitions for stainless, tool, or silicon-electrical steel. The product is hot-rolled and not further worked, falling under tariff item 7225.99.00 as 'Other' flat-rolled alloy steel.
7225.99.00A353 Grade Ni-Ni Alloy Steel Plate for Low-Temperature Service
ASTM A353 is a 9% nickel alloy steel plate supplied in widths exceeding 600 mm, designed for cryogenic service such as LNG storage tanks. The high nickel content (approximately 9%) makes it an alloy steel, but it does not qualify as stainless steel because its chromium content is below 10.5%. As a hot-rolled, flat-rolled product not further worked, it is classified under tariff item 7225.99.00 as 'Other' alloy steel.
7225.99.00A387 Grade 11 Heat-Resistant Alloy Steel Plate
ASTM A387 Grade 11 is a chromium-molybdenum alloy steel plate with a width exceeding 600 mm, used for elevated-temperature service in refinery and pressure vessel applications. Its chromium content of 1% to 1.5% by weight qualifies it as other alloy steel, but it does not meet the 10.5% chromium threshold for stainless steel. The product is hot-rolled and not further worked, placing it under tariff item 7225.99.00 as 'Other' flat-rolled alloy steel.
7225.99.00A514 Grade B High-Yield Strength Alloy Steel Plate
ASTM A514 Grade B is a quenched and tempered high-yield-strength alloy steel plate, over 600 mm wide, used for structural applications requiring high strength-to-weight ratios. Its alloying elements, including chromium, molybdenum, and boron, make it an other alloy steel, but it does not meet the stainless steel definition. As a hot-rolled flat product not further worked, it is classified under tariff item 7225.99.00 as 'Other'.
7225.99.00A516 Grade 70 Pressure Vessel Steel Plate
ASTM A516 Grade 70 is a flat-rolled alloy steel plate with a width exceeding 600 mm, used for pressure vessels and boilers. Although often considered carbon steel, it contains alloying elements such as manganese and silicon that may push it into the 'other alloy steel' category if thresholds are met. As a hot-rolled product not further worked, it is classified under tariff item 7225.99.00 as 'Other'.
7225.99.00AISI 4130 Chromoly Steel Sheet
> AISI 4130 is a chromium-molybdenum alloy steel supplied as flat-rolled sheet over 600 mm wide. It is widely used in aerospace and automotive components due to its strength and weldability. As a general-purpose alloy steel, it does not meet the definitions for stainless, electrical, or high-speed steel, so it is classified as "Other" alloy steel flat-rolled products.
7225.99.00AISI 4140 Alloy Steel Plate
> AISI 4140 is a chromium-molybdenum alloy steel plate, flat-rolled and exceeding 600 mm in width. It is commonly used in machinery and structural applications due to its toughness and fatigue resistance. This product does not fall under any of the specific alloy steel subheadings (e.g., electrical, high-speed, or stainless), so it is correctly classified under the residual "Other" item.
7225.99.00AISI 4340 Chromium-Molybdenum Steel Sheet
> AISI 4340 is a nickel-chromium-molybdenum alloy steel supplied as flat-rolled sheet over 600 mm wide. It is used in aerospace and automotive components requiring high strength and toughness. Since it is not a stainless, electrical, or high-speed steel, it falls under the "Other" category for alloy steel flat-rolled products.
7225.99.00AISI 8630 Alloy Steel Mill Sheet
> AISI 8630 is a carburizing-grade alloy steel supplied as flat-rolled sheet over 600 mm wide. It contains nickel, chromium, and molybdenum, making it suitable for automotive transmission gears. This product is not a specialty alloy steel (e.g., electrical or high-speed), so it is classified under the residual "Other" item for alloy steel flat-rolled products.
7225.99.00Alloy 20Cb-3 Sheet
> Alloy 20Cb-3 is a high-nickel alloy steel containing 32-38% nickel and 19-21% chromium, supplied as flat-rolled sheet over 600 mm wide. It is used for sulfuric acid handling equipment due to its corrosion resistance. Despite its high nickel content, it is classified as alloy steel, not stainless, and falls under the "Other" item.
7225.99.00EN24 Alloy Steel Heavy Plate
> EN24 is a medium-carbon nickel-chromium-molybdenum alloy steel supplied as heavy plate, flat-rolled with a width exceeding 600 mm. It is used for heavy machinery bases and high-stress components. As a general-purpose alloy steel, it does not meet the definitions for stainless, electrical, or high-speed steel, so it falls under the "Other" item.
7225.99.00Hastelloy C-276 Plate
> Hastelloy C-276 is a high-nickel alloy steel with 57% nickel, 16% molybdenum, and 16% chromium, supplied as flat-rolled plate over 600 mm wide. It is used in chemical processing equipment due to its corrosion resistance. This product is classified as other alloy steel, not stainless, and falls under the "Other" item.
7225.99.00HY-80 High-Yield Alloy Steel Plate
> HY-80 is a high-yield nickel alloy steel plate, flat-rolled and exceeding 600 mm in width, used in naval applications. It contains nickel, chromium, and molybdenum, providing high strength and toughness. This product does not match the definitions for stainless, electrical, or high-speed steel, so it is classified under the "Other" item for alloy steel flat-rolled products.
7225.99.00HY-80 High-Yield Submarine Hull Steel Plate
HY-80 is a nickel-chromium-molybdenum alloy steel plate, 800 mm wide, used for naval submarine hull construction with a yield strength of 80 ksi. Its multi-element alloy composition (nickel, chromium, molybdenum) qualifies it as other alloy steel, but it does not meet stainless steel criteria. As a hot-rolled flat product not further worked, it is classified under tariff item 7225.99.00 as 'Other'.
7225.99.00Incoloy 800H Flat-Rolled Sheet
> Incoloy 800H is a high-nickel alloy steel containing over 30% nickel and 20% chromium, supplied as flat-rolled sheet over 600 mm wide. It is used in high-temperature applications such as heat exchangers. This product is classified as other alloy steel, not stainless, and falls under the "Other" item.
7225.99.00Incoloy 825 Mill Plate
> Incoloy 825 is a high-nickel alloy with 38-46% nickel and 19.5-23.5% chromium, supplied as universal mill plate with a width of 600-1250 mm. It is used in oil and gas and chemical processing due to its corrosion resistance. This product is classified as other alloy steel, not stainless, and falls under the "Other" item.
7225.99.00Inconel 625 Hot-Rolled Sheet
> Inconel 625 is a high-nickel alloy steel with 58% nickel, 20-23% chromium, and 8-10% molybdenum, supplied as hot-rolled flat sheet over 600 mm wide. It is used in aerospace and marine turbine components. This product is classified as other alloy steel, not stainless, and falls under the "Other" item.
7225.99.00Monel 400 Flat Plate
> Monel 400 is a high-nickel alloy with 65% nickel and 30% copper, supplied as flat-rolled plate over 600 mm wide. It is used for valves and pumps in seawater applications. Despite its high copper content, it is classified as alloy steel due to its iron content, and falls under the "Other" item.
7225.99.00P91 Grade T91 Chromium-Moly Alloy Steel Plate
ASME SA387 Grade P91 (T91) is a 9Cr-1Mo-V alloy steel plate over 600 mm wide, used for power plant piping and superheaters. Its high chromium content (8% to 9.5%) is below the 10.5% threshold for stainless steel, so it is classified as other alloy steel. As a hot-rolled flat product not further worked, it falls under tariff item 7225.99.00 as 'Other'.
7225.99.00SA-204 Grade B Chromium-Molybdenum Alloy Steel Plate
ASME SA-204 Grade B is a chromium-molybdenum alloy steel plate with a width of at least 600 mm, used for high-temperature pressure vessel service. Its chromium content of 0.5% and molybdenum content of 0.5% qualify it as other alloy steel, but not stainless steel. As a hot-rolled flat product not further worked, it is classified under tariff item 7225.99.00 as 'Other'.
7225.99.00SAE 8620 Case-Hardening Alloy Steel Plate
> SAE 8620 is a low-alloy steel with nickel, chromium, and molybdenum, supplied as flat-rolled plate over 600 mm wide. It is used for carburizing applications in gears and shafts. As a general-purpose alloy steel, it does not meet the definitions for specialty steels, so it falls under the "Other" item.
7225.99.00Universal Mill Alloy Steel Plate 4140 Grade
Universal mill alloy steel plate in 4140 grade, measuring 610 mm wide by 50 mm thick, is a chromium-molybdenum alloy steel used for heavy machinery and structural applications. Its chromium content of about 1% and molybdenum of 0.2% qualify it as other alloy steel, but not stainless steel. As a hot-rolled flat product not further worked, it is classified under tariff item 7225.99.00 as 'Other'.