Copper; plates and sheets, of a thickness exceeding 0.15mm, of copper-tin base alloys, not in coils

HS v2022 Code: 740939

About copper; plates and sheets, of a thickness exceeding 0.15mm, of copper-tin base alloys, not in coils

HS code 740939 covers copper plates and sheets that are made from copper-tin base alloys and have a thickness exceeding 0.15mm. These copper-tin alloy products are widely used in various industries due to their unique properties, such as corrosion resistance, electrical conductivity, and malleability. They play a crucial role in the manufacturing of electrical components, construction materials, and various industrial applications, making them an important part of the global economy.

Production process

The production of copper plates and sheets under HS code 740939 typically involves a multi-step process. First, the copper-tin alloy is melted and cast into ingots or billets. These are then subjected to hot or cold rolling processes to reduce the thickness and achieve the desired dimensions. The rolled sheets may undergo further finishing operations, such as annealing, leveling, or surface treatment, to enhance their properties and appearance.

Production inputs

The main inputs required for the production of copper-tin alloy plates and sheets under HS code 740939 include refined copper, tin, and various alloying elements. Specialized rolling mills, annealing furnaces, and other metalworking equipment are also essential for the manufacturing process. Additionally, energy sources, such as electricity or natural gas, are needed to power the production facilities.

Production outputs

The copper plates and sheets produced under HS code 740939 are primarily used in the manufacturing of electrical components, construction materials, and various industrial products. They may be further processed or incorporated into the production of 854411 Winding wire of copper or 741999 Articles of copper, n.e.s., among other applications.

Revisions to 740939

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 740939. The most recent 1 version of this code (740939) is in the HS v2022 system (this version):

This page shows the most recent version of code 740939.

Family tree for copper; plates and sheets, of a thickness exceeding 0.15mm, of copper-tin base alloys, not in coils

    graph LR
    A["<a href='/classifications/hs/v2022/74'>74: Copper and articles thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/7409'>7409: Copper plates, sheets and strip; of a thickness exceeding 0.15mm</a>"]
B --> C["<a href='/classifications/hs/v2022/740939'>740939: Copper; plates and sheets, of a thickness exceeding 0.15mm, of copper-tin base alloys, not in coils</a>"]

    B --> D["<a href='/classifications/hs/v2022/740911'>740911: Copper; strip, of a thickness exceeding 0.15mm, of refined copper, in coils</a>"]
B --> E["<a href='/classifications/hs/v2022/740919'>740919: Copper; plates and sheets, of a thickness exceeding 0.15mm, of refined copper, not in coils</a>"]
B --> F["<a href='/classifications/hs/v2022/740921'>740921: Copper; strip, of a thickness exceeding 0.15mm, of copper-zinc base alloys (brass), in coils</a>"]
B --> G["<a href='/classifications/hs/v2022/740929'>740929: Copper; plates and sheets, of a thickness exceeding 0.15mm, of copper-zinc base alloys (brass), not in coils</a>"]
B --> H["<a href='/classifications/hs/v2022/740931'>740931: Copper; strip, of a thickness exceeding 0.15mm, of copper-tin base alloys (bronze), in coils</a>"]
B --> I["<a href='/classifications/hs/v2022/740940'>740940: Copper; plates, sheets and strip, of a thickness exceeding 0.15mm, of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)</a>"]
B --> J["<a href='/classifications/hs/v2022/740990'>740990: Copper; plates, sheets and strip, of a thickness exceeding 0.15mm, of copper alloys (other than copper-zinc base alloys, copper-tin base alloys, copper-nickel base alloys or copper-nickel-zinc base alloys)</a>"]

    

    %% Color coordination by level

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    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
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    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
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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 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