Iron or steel (excluding cast iron); seamless, tubes, pipes and hollow profiles, seamless, n.e.c. in heading no. 7304

HS v2022 Code: 730490

About iron or steel (excluding cast iron); seamless, tubes, pipes and hollow profiles, seamless, n.e.c. in heading no. 7304

HS code 730490 covers a wide range of seamless iron or steel tubes, pipes, and hollow profiles that are not classified elsewhere in heading 7304. These products are essential components in various industries, including construction, oil and gas, automotive, and manufacturing. They are valued for their durability, strength, and versatility, making them crucial for infrastructure development, energy transportation, and industrial applications worldwide.

Production process

The production of seamless iron or steel tubes and pipes under HS code 730490 typically involves a process called seamless tube manufacturing. This process starts with a solid billet or round bar of steel, which is then heated and pierced to create a hollow shell. The shell is then further processed through a series of rolling and drawing operations to achieve the desired size, thickness, and shape. Advanced techniques like extrusion and hydroforming may also be employed to create more complex seamless profiles.

Production inputs

The main inputs required for the production of seamless iron or steel tubes and pipes under HS code 730490 include high-quality steel billets or rounds, as well as specialized machinery and equipment for the seamless tube manufacturing process. Additionally, energy sources, such as natural gas or electricity, are needed to power the production facilities, and skilled labor is required to operate the equipment and ensure quality control.

Production outputs

The seamless iron or steel tubes and pipes produced under HS code 730490 are used in a wide range of applications, including 730410 Line pipe of a kind used for oil or gas pipelines, 730421 Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, 730429 Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, n.e.c. in subheading 7304.21, and 730490 (Iron or steel (excluding cast iron); seamless, tubes, pipes and hollow profiles, seamless, n.e.c. in heading no. 7304). These products are essential components in various industries, such as construction, oil and gas, automotive, and manufacturing.

Revisions to 730490

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 730490. The most recent 1 version of this code (730490) is in the HS v2022 system (this version):

This page shows the most recent version of code 730490.

Family tree for iron or steel (excluding cast iron); seamless, tubes, pipes and hollow profiles, seamless, n.e.c. in heading no. 7304

    graph LR
    A["<a href='/classifications/hs/v2022/73'>73: Iron or steel articles</a>"]
A --> B["<a href='/classifications/hs/v2022/7304'>7304: Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel</a>"]
B --> C["<a href='/classifications/hs/v2022/730490'>730490: Iron or steel (excluding cast iron); seamless, tubes, pipes and hollow profiles, seamless, n.e.c. in heading no. 7304</a>"]

    B --> D["<a href='/classifications/hs/v2022/730411'>730411: Iron or steel (excluding cast iron); seamless, line pipe of a kind used for oil or gas pipelines, of stainless steel</a>"]
B --> E["<a href='/classifications/hs/v2022/730419'>730419: Iron or steel (excluding cast iron or stainless steel); seamless, line pipe of a kind used for oil or gas pipelines</a>"]
B --> F["<a href='/classifications/hs/v2022/730422'>730422: Steel, stainless; seamless, drill pipe, of a kind used in drilling for oil or gas</a>"]
B --> G["<a href='/classifications/hs/v2022/730423'>730423: Iron or steel (excluding cast iron or stainless steel); seamless, drill pipe, of a kind used in drilling for oil or gas</a>"]
B --> H["<a href='/classifications/hs/v2022/730424'>730424: Steel, stainless; seamless, casing and tubing, of a kind used in drilling for oil or gas</a>"]
B --> I["<a href='/classifications/hs/v2022/730429'>730429: Iron or steel (excluding cast iron or stainless steel); seamless, casing and tubing, of a kind used in drilling for oil or gas</a>"]
B --> J["<a href='/classifications/hs/v2022/730431'>730431: Iron or non-alloy steel (excluding cast iron); seamless, cold-drawn or cold-rolled, tubes, pipes and hollow profiles of circular cross-section</a>"]
B --> K["<a href='/classifications/hs/v2022/730439'>730439: Iron or non-alloy steel (excluding cast iron); seamless, (excluding cold-drawn or cold-rolled), tubes, pipes and hollow profiles of circular cross-section</a>"]
B --> L["<a href='/classifications/hs/v2022/730441'>730441: Steel, stainless; cold-drawn or cold-rolled (cold-reduced), tubes and pipes of circular cross-section</a>"]
B --> M["<a href='/classifications/hs/v2022/730449'>730449: Steel, stainless; (excluding cold-drawn or cold-rolled), tubes pipes and hollow profiles of circular cross-section</a>"]
B --> N["<a href='/classifications/hs/v2022/730451'>730451: Steel, alloy (not stainless steel); seamless, cold-drawn or cold-rolled (cold-reduced), tubes, pipes and hollow profiles of circular cross-section</a>"]
B --> O["<a href='/classifications/hs/v2022/730459'>730459: Steel, alloy (not stainless steel); (excluding cold-drawn or cold-rolled), tubes, pipes and hollow profiles of circular cross-section</a>"]

    

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