Copper; copper-tin base alloys (bronze) unwrought

HS v2017 Code: 740322

About copper; copper-tin base alloys (bronze) unwrought

HS code 740322 covers the import and export of unwrought copper-tin base alloys, commonly known as bronze. Bronze is a widely used metal alloy, valued for its strength, durability, and distinctive appearance. This industry plays a crucial role in various sectors, including construction, art, and manufacturing, contributing significantly to the global economy.

Production process

The production of unwrought copper-tin base alloys, or bronze, typically involves a multi-step process. First, the raw materials, including copper and tin, are melted and combined in the desired proportions. The molten alloy is then cast into ingots or other shapes, which are subsequently processed through techniques such as rolling, forging, or extrusion to achieve the desired form and specifications.

Production inputs

The main inputs required for the production of unwrought copper-tin base alloys (bronze) include copper and tin as the primary raw materials. Additionally, the industry relies on specialized equipment and machinery, such as furnaces, casting molds, and rolling mills, to facilitate the various stages of the production process. Energy sources, such as electricity or natural gas, are also essential for the melting and processing of the alloy.

Production outputs

The primary output of this industry is unwrought copper-tin base alloys, or bronze, in various forms, such as ingots, bars, or billets. These bronze products are then consumed by a wide range of industries, including 732690 Other articles of iron or steel, 732510 Cast articles of a kind used in agriculture, and 732599 Other cast articles of iron or steel, where they are further processed or incorporated into final products.

Revisions to 740322

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 740322. The most recent 1 version of this code (740322) is in the HS v2022 system:

This page shows a legacy version of code 740322 ( HS v2017).

Newer versions

Family tree for copper; copper-tin base alloys (bronze) unwrought

    graph LR
    A["<a href='/classifications/hs/v2017/74'>74: Copper and articles thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/7403'>7403: Copper; refined and copper alloys, unwrought</a>"]
B --> C["<a href='/classifications/hs/v2017/740322'>740322: Copper; copper-tin base alloys (bronze) unwrought</a>"]

    B --> D["<a href='/classifications/hs/v2017/740311'>740311: Copper; refined, unwrought, cathodes and sections of cathodes</a>"]
B --> E["<a href='/classifications/hs/v2017/740312'>740312: Copper; refined, unwrought, wire-bars</a>"]
B --> F["<a href='/classifications/hs/v2017/740313'>740313: Copper; refined, unwrought, billets</a>"]
B --> G["<a href='/classifications/hs/v2017/740319'>740319: Copper; refined, unwrought, n.e.c. in item no. 7403.1</a>"]
B --> H["<a href='/classifications/hs/v2017/740321'>740321: Copper; copper-zinc base alloys (brass) unwrought</a>"]
B --> I["<a href='/classifications/hs/v2017/740329'>740329: Copper; copper alloys n.e.c. in heading no. 7403 (other than master alloys of heading no. 7405)</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    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 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