Aluminum containers for compressed or liquefied gas
Part of: 76 — Aluminum and articles thereof
N363844 · 2026-08-19 — RE: The tariff classification of a high pressure hydrogen tank from China
Informational material was submitted with your request. The merchandise at issue is a high pressure hydrogen tank, Product # CHG3-526-378-38-S/A/1-1. This tank is a Type III composite overwrapped pressure vessel (COPV), a cylindrical container designed to store high-pressure gases. It consists of an internal aluminum liner overwrapped with a composite composed of carbon fiber, epoxy resin, and glass fiber and has two openings on each end fitted with valves. Overall, this product has an outer diameter of 561 millimeters (mm) with a length of 2200 mm, a water capacity of 378 liters at 15…
N363472 · 2026-08-14 — The tariff classification of gas storage cylinders from Spain
Technical information wassubmitted with your request.The products at issue are gas storage cylinders including product numbers: B50.WP200.00,B20.WP200.00.0000, B13.WP200.00.0000, B45.WP300.01.0000, B30.WP300.01.0000,B18.WP300.01.0000, and B12.WP300.01.0000. These cylinders are described as Type III compositeoverwrapped pressure vessels (COPV) designed to store high-pressure gases. Each cylinder consists of aninternal aluminum liner with an overwrap of composite carbon fiber and epoxy resin. Overall, these cylindershave an outer diameter of 265 millimeters (mm) with lengths that range from 515…
N356857 · 2025-12-22 — The tariff classification of a composite overwrapped pressure vessel from Germany
Technical information was submitted with your request. The item under consideration is described as a composite overwrapped pressure vessel (Type III COPV) used for storing high-pressure gases (e.g., nitrogen, helium, etc.) in aerospace applications. Based on the submitted information, the merchandise is a container consisting of an aluminum alloy liner overwrapped with carbon fiber and epoxy. Additionally, it features two aluminum alloy fittings on opposing sides as ports for connection to other objects. Functionally, the aluminum alloy liner provides the main shape and internal structure of…
N351068 · 2025-07-22 — The tariff classification of aluminum containers for compressed gas from the Republic of Korea
Technical information was submitted with your request. The items under consideration are described as empty aluminum containers for compressed gas for use with air guns and self-contained underwater breathing apparatus (SCUBA). The cylindrical or tubular aluminum containers mainly consist of a grade 6061 aluminum alloy liner that is reinforced with wound carbon fiber and glass fiber. Functionally, the aluminum liner provides the main shape and internal structure of the container. The wound carbon fiber provides additional structural integrity to the aluminum liner so that it can withstand…
N303722 · 2019-04-26 — The tariff classification and country of origin marking of shells, end-caps and O-rings from China
In your corrected ruling request dated March 28, 2019, on behalf of your client Aeration Technology, LLC, you requested a classification and marking ruling on shells, end-caps and O-rings. Photographs, drawings and a manufacturing process flow chart were submitted for our review. This ruling addresses issues A and D of the six items in your request letter. Issues B, C, E, and F were addressed in N303461 dated April 9, 2019. Your submission identified the products at issue as shells, sealing end-caps and O-rings to be used as components of finished Elite Chargers used in whipped-cream…
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