Steel, stainless; (excluding cold-drawn or cold-rolled), tubes pipes and hollow profiles of circular cross-section

HS v2022 Code: 730449

About steel, stainless; (excluding cold-drawn or cold-rolled), tubes pipes and hollow profiles of circular cross-section

HS code 730449 covers the import and export of stainless steel tubes, pipes, and hollow profiles of circular cross-section, excluding those that have been cold-drawn or cold-rolled. This industry plays a vital role in the global manufacturing and construction sectors, providing essential components for a wide range of applications, from industrial equipment to infrastructure projects. The demand for these products is driven by the need for durable, corrosion-resistant materials that can withstand harsh environments and demanding operating conditions.

Production process

The production of stainless steel tubes and pipes under HS code 730449 typically involves a combination of casting, rolling, and welding processes. Molten stainless steel is first cast into billets or ingots, which are then heated and passed through a series of rolling mills to reduce the thickness and shape the material into the desired profile. In some cases, the rolled tubes or pipes may undergo additional welding or finishing processes to ensure the desired dimensions and surface quality.

Production inputs

The main inputs required for the production of stainless steel tubes and pipes under HS code 730449 include high-quality stainless steel alloys, specialized rolling and welding equipment, and various consumables such as shielding gases and welding electrodes. Additionally, the industry relies on a skilled workforce capable of operating the production machinery and ensuring consistent quality control throughout the manufacturing process.

Production outputs

The primary outputs of the industry covered by HS code 730449 are stainless steel tubes, pipes, and hollow profiles of circular cross-section. These products are widely used in a variety of industries, including 731100 Oil or gas pipeline tubes, 841920 Machinery parts, and 870421 Trucks. The stainless steel properties of these products make them suitable for applications where corrosion resistance, durability, and high-temperature performance are critical.

Revisions to 730449

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 730449. The most recent 1 version of this code (730449) is in the HS v2022 system (this version):

This page shows the most recent version of code 730449.

Family tree for steel, stainless; (excluding cold-drawn or cold-rolled), tubes pipes and hollow profiles of circular cross-section

    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/v2022/730449'>730449: Steel, stainless; (excluding cold-drawn or cold-rolled), tubes pipes and hollow profiles of circular cross-section</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/v2022/730451'>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 --> N["<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>"]
B --> O["<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>"]

    

    %% Color coordination by level

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    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6
class N level6
class O level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight