HS Code for Unwrought aluminum alloy

Unwrought aluminum alloys are classified under HS code 7601.20. This classification applies to aluminum that has been combined with other elements—such as copper, magnesium, manganese, silicon, or zinc—to enhance specific properties like strength, corrosion resistance, or castability. To be classified as an alloy under this heading, the material must be in an 'unwrought' form, which includes primary cast shapes like ingots, billets, slabs, and blocks. Furthermore, the chemical composition must meet the definition of an aluminum alloy provided in Note 1(b) to Chapter 76 of the Harmonized System. This note specifies that an alloy is a metallic substance in which aluminum predominates by weight over each of the other elements, provided that the total content of these other elements exceeds 1% by weight, or the content of at least one other element exceeds the specific limits set out in the HS notes. This code is fundamental for the automotive, aerospace, and construction industries, which rely on specific alloy grades for their manufacturing processes.

Products Included

• Aluminum-copper alloy ingots
• Aluminum-magnesium billets
• Foundry alloy slabs
• Unwrought aluminum-silicon blocks
• Secondary aluminum alloy ingots

Common Misclassification

The most frequent misclassification is with HS code 7601.10, which is reserved for non-alloyed (pure) aluminum. If the aluminum content is 99% or higher and other elements are below the threshold, it must be classified under 7601.10. Another common error is using HS code 7603, which covers aluminum powders and flakes. Even if the chemical composition is an alloy, the physical form (powder vs. ingot) dictates the heading. Additionally, importers sometimes confuse unwrought billets (7601.20) with extruded bars (7604) if the billets have been slightly processed.

FAQ

What is the HS code for unwrought aluminum alloy?

The HS code for unwrought aluminum alloys is 7601.20.

How is an aluminum alloy defined for customs purposes?

An aluminum alloy is defined as a metal where aluminum predominates by weight, but contains more than 1% of other elements in total, or contains specific elements (like iron or silicon) above very low individual percentage thresholds.