Of alloy steel (except stainless steel)
Part of: 73079950 — Other
N346364 · 2025-03-28 — The tariff classification of items used in the production of oil and gas from China
The merchandise under consideration are items used to maintain pressure and containment within a wellbore. The four items will be constructed of alloy steel or stainless steel material. The first item is referred to as a casing head, item number WH*CH-0101. The casing head is an adapter designed to be installed between a casing string and a blowout preventer stack or a wellhead. The second item is referred to as a cross, item number T1003. The cross, which consists of three or more connections, is used in a “Christmas Tree” (a specialized valve assembly). The third item is referred to as a…
N003038 · 2006-12-01 — The tariff classification of alloy steel pipe fittings from India or China.
The items to be imported consist of three types of pipe fittings. All three are manufactured from AISI 4130 alloy grade steel and have inside diameters that range from one to three inches. The first adapter has female threads on both ends and is used to connect pipe of one size and pressure rating to a second pipe with a different size and pressure rating. The second adapter has female threads on one end and an integrally machined API flange on the other end. This provides for the connection of tubing with a winged union connection to one with a flanged end connection. The last adapter, known…
M87977 · 2006-11-20 — The tariff classification of swivel connectors.
A representative sample for each of the series was included with your submission. These samples are being returned to you as requested. In your letter you state that a swivel is a non-valved connection that allows rotation. A swivel connector is comprised of two main components, which you identify as a shaft and a housing. These two components are locked together by use of either ball bearing or retainer rings. The connectors are available in two Series, the PS and the S. The S series swivel, manufactured in both a 12L14 carbon grade steel and an 8620 alloy steel grade, comes in a 90-degree…
R05049 · 2006-11-01 — The tariff classification of wing union fittings from China and India.
The items to be imported are three types of pipe fittings, known as wing unions. Each style of wing union consists of three parts, a male sub, female sub and a nut. Some may also incorporate an o-ring or seal ring. In all three styles, the nut connects the two subs together and each sub has a threaded end connection to join to the pipe or tube. They will be imported as complete assemblies or as individual components. The three components of the first style are manufactured from a cast ductile iron material. In the second style, the male and female sub components are made from forged carbon…
R05069 · 2006-11-01 — The tariff classification of various swivel joints from India and China.
The items to be imported are various types of swivel joints. These fittings allow for both the 360-degree rotation of high pressure piping and its movement in two or three planes. Designated as Styles 30, 40, 50, 60, 70 and 80, these swivel joints are comprised of one or more single swivels together with one or more elbows. These fittings may be of cast ductile iron or cast carbon steel, or of forged carbon or stainless steels, all of which have threaded ends. These various styles of swivel joints are also available in forged alloy steel with wing union end connections. The applicable…
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