Iron; grinding balls and similar articles for mills, other than of non-malleable cast iron

HS v2017 Code: 732591

About iron; grinding balls and similar articles for mills, other than of non-malleable cast iron

HS code 732591 covers iron grinding balls and similar articles used in mills and other industrial equipment. These products play a crucial role in the processing and refining of various raw materials, contributing to the efficient operation of industries such as mining, cement production, and mineral processing. As a key component in the machinery that powers global supply chains, the demand for these grinding balls is closely tied to the overall health and activity of the industrial sector.

Production process

The production of iron grinding balls typically involves a multi-step process. First, high-quality iron is melted in a furnace, often using scrap metal as a raw material. The molten iron is then poured into molds, where it is allowed to cool and solidify into the desired spherical shape. After cooling, the grinding balls may undergo additional processing, such as heat treatment or surface finishing, to enhance their durability and performance characteristics.

Production inputs

The primary inputs for the production of HS code 732591 items include high-purity iron, as well as specialized equipment and machinery for the melting, molding, and finishing processes. Depending on the specific application, additional materials such as alloying elements or surface coatings may be incorporated to improve the balls' wear resistance, hardness, or other properties. The manufacturing process also requires a reliable energy source, skilled labor, and a well-developed supply chain to ensure the timely delivery of raw materials and components.

Production outputs

The primary output of HS code 732591 is iron grinding balls and similar articles used in various industrial mills and processing equipment. These products are essential for the efficient operation of industries such as 251410 Cement production, 250100 Mining and mineral processing, and 841989 Other industrial machinery. The grinding balls produced under this code may be consumed by manufacturers of these related industrial equipment and machinery, as well as by end-users in the mining, cement, and other processing sectors.

Revisions to 732591

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 732591. The most recent 1 version of this code (732591) is in the HS v2022 system:

This page shows a legacy version of code 732591 ( HS v2017).

Family tree for iron; grinding balls and similar articles for mills, other than of non-malleable cast iron

    graph LR
    A["<a href='/classifications/hs/v2017/73'>73: Iron or steel articles</a>"]
A --> B["<a href='/classifications/hs/v2017/7325'>7325: Iron or steel; cast articles</a>"]
B --> C["<a href='/classifications/hs/v2017/732591'>732591: Iron; grinding balls and similar articles for mills, other than of non-malleable cast iron</a>"]

    B --> D["<a href='/classifications/hs/v2017/732510'>732510: Iron; articles of non-malleable cast iron</a>"]
B --> E["<a href='/classifications/hs/v2017/732599'>732599: Iron or steel; cast articles, excluding grinding balls and similar articles for mills, other than of non-malleable cast iron</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 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