Copper Beryllium Torsion Springs
High-strength copper-beryllium alloy torsion springs for aerospace and medical devices, classified as copper springs under HTS 7419.80.1600. Their fatigue resistance suits high-stress applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If medical or surgical instrument components
Springs integral to medical instruments fall under Chapter 90.
If imported as unwrought beryllium copper
Refined unwrought copper alloys are in 7403, prior to spring fabrication.
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Import Tips & Compliance
• Obtain beryllium content certifications; subject to special handling and export controls
• Use NAFTA/USMCA certificates if from qualifying countries to reduce duties
• Avoid classifying as 'parts' without specific end-use documentation
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