HS Code for Forged grinding balls

The classification of forged grinding balls under HS code 7326.11 is determined by both the material composition and the specific manufacturing process. As articles of iron or steel, they fall within Chapter 73. Heading 7326 is a residual heading for other articles of iron or steel that are not specified or included in more specific headings of the nomenclature. Within this heading, subheading 7326.11 is explicitly reserved for grinding balls and similar articles for mills that have been forged or stamped. The defining characteristic for this classification is that the articles must not be "further worked" beyond the forging or stamping stage, other than minor processes like removal of burrs or heat treatment for hardening. If these balls were produced by casting, they would be excluded from this code and moved to heading 7325. The use of these items is primarily in industrial grinding mills, such as those found in the mining, cement, and power generation industries, where they serve as the media for crushing raw materials. To qualify for 7326.11, the balls must be made of iron or steel; ceramic or stone grinding media are classified in Chapters 68 or 69. Furthermore, the forging process involves heating the steel to a plastic state and then using a hammer or press to shape it, which results in a denser and more durable product compared to casting. This distinction is critical for customs purposes because forged balls often carry different duty rates than cast ones. Importers must provide technical documentation confirming the manufacturing method to ensure correct application of this code.

Products Included

• Forged steel grinding balls for ball mills
• Stamped steel grinding media
• High-carbon forged steel balls
• Alloy steel forged balls for SAG mills
• Forged grinding cylinders (cylpebs)

Common Misclassification

The most frequent misclassification occurs with HS code 7325.91, which covers cast grinding balls. While they serve the same function, the manufacturing process (casting vs. forging) dictates the code. Another common error is using 8474.90, which covers parts of machinery for grinding or crushing; however, grinding media are considered consumable articles of the material they are made of rather than machine parts.

FAQ

What is the HS code for forged grinding balls?

The specific HS code for forged or stamped iron or steel grinding balls is 7326.11.

How do I distinguish between forged and cast balls for customs?

Forged balls (7326.11) are shaped by compressive force, while cast balls (7325.91) are made by pouring molten metal into a mold. Mill test certificates usually specify the method.