Wood; railway or tramway sleepers (cross-ties), impregnated, coniferous

HS v2022 Code: 440691

About wood; railway or tramway sleepers (cross-ties), impregnated, coniferous

HS code 440691 covers the classification of impregnated, coniferous railway or tramway sleepers (cross-ties). These wooden sleepers are a critical component of rail infrastructure, providing the foundation for railway tracks and ensuring the stability and safety of rail transportation. As a vital part of the global logistics and transportation network, the production and trade of these sleepers play a significant role in the broader economy.

Production process

The production of impregnated, coniferous railway sleepers typically involves several key steps. First, the raw timber, often sourced from coniferous forests, is harvested and processed into the required sleeper dimensions. The sleepers are then subjected to an impregnation process, where they are treated with preservatives such as creosote or other chemical compounds to enhance their durability and resistance to weathering, pests, and decay. This impregnation process helps to extend the lifespan of the sleepers and ensures their reliable performance in the demanding railway environment.

Production inputs

The main inputs required for the production of HS code 440691 items include coniferous timber, which serves as the primary raw material. Additionally, the industry relies on specialized machinery and equipment for cutting, shaping, and impregnating the sleepers. Chemical preservatives, such as creosote, are also a crucial input for the impregnation process. The availability and quality of these raw materials and resources are essential for the efficient and sustainable production of railway sleepers.

Production outputs

The primary output of HS code 440691 is impregnated, coniferous railway or tramway sleepers. These sleepers are then consumed by the 860700 Railway or tramway track construction material industry, which is responsible for the construction and maintenance of rail infrastructure. The sleepers may also be used in other applications, such as 440920 Wood; staves, whether or not planed, sanded or end-jointed or 440929 Wood; staves, whether or not planed, sanded or end-jointed, coniferous.

Revisions to 440691

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 440691. The most recent 1 version of this code (440691) is in the HS v2022 system (this version):

This page shows the most recent version of code 440691.

Family tree for wood; railway or tramway sleepers (cross-ties), impregnated, coniferous

    graph LR
    A["<a href='/classifications/hs/v2022/44'>44: Wood and articles of wood; wood charcoal</a>"]
A --> B["<a href='/classifications/hs/v2022/4406'>4406: Railway or tramway sleepers (cross-ties) of wood</a>"]
B --> C["<a href='/classifications/hs/v2022/440691'>440691: Wood; railway or tramway sleepers (cross-ties), impregnated, coniferous</a>"]

    B --> D["<a href='/classifications/hs/v2022/440611'>440611: Wood; railway or tramway sleepers (cross-ties), not impregnated, coniferous</a>"]
B --> E["<a href='/classifications/hs/v2022/440612'>440612: Wood; railway or tramway sleepers (cross-ties), not impregnated, non-coniferous</a>"]
B --> F["<a href='/classifications/hs/v2022/440692'>440692: Wood; railway or tramway sleepers (cross-ties), impregnated, non-coniferous</a>"]

    

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