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

HS v2017 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, and manufacturing. They are known for their durability, strength, and versatility, making them a crucial part of the global supply chain.

Production process

The production of seamless iron or steel tubes, pipes, and hollow profiles under HS code 730490 typically involves a process called seamless tube manufacturing. This process starts with a solid billet or round bar, 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, such as continuous casting and extrusion, may also be employed to enhance efficiency and product quality.

Production inputs

The main inputs required for the production of seamless iron or steel tubes, pipes, and hollow profiles under HS code 730490 include high-quality iron or steel raw materials, such as billets, blooms, or slabs. Additionally, specialized machinery, such as piercing mills, rolling mills, and drawing equipment, are essential for the manufacturing process. Energy sources, such as electricity or natural gas, are also necessary to power the production facilities.

Production outputs

The seamless iron or steel tubes, pipes, and hollow profiles produced under HS code 730490 are used in a wide range of applications, including 730410 Seamless line pipes 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, and 730429 Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, other than seamless. These products are often consumed by industries such as construction, oil and gas, manufacturing, and transportation, among others.

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 page shows a legacy version of code 730490 ( HS v2017).

Older versions

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/v2017/73'>73: Iron or steel articles</a>"]
A --> B["<a href='/classifications/hs/v2017/7304'>7304: Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel</a>"]
B --> C["<a href='/classifications/hs/v2017/730490'>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/v2017/730411'>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/v2017/730419'>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/v2017/730422'>730422: Steel, stainless; seamless, drill pipe, of a kind used in drilling for oil or gas</a>"]
B --> G["<a href='/classifications/hs/v2017/730423'>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/v2017/730424'>730424: Steel, stainless; seamless, casing and tubing, of a kind used in drilling for oil or gas</a>"]
B --> I["<a href='/classifications/hs/v2017/730429'>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/v2017/730431'>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/v2017/730439'>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/v2017/730441'>730441: Steel, stainless; cold-drawn or cold-rolled (cold-reduced), tubes and pipes of circular cross-section</a>"]
B --> M["<a href='/classifications/hs/v2017/730449'>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/v2017/730451'>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/v2017/730459'>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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