3.2 mm Heat-Treated Slinky Wire
Round music wire 3.2 mm, 0.73% carbon, heat-treated for toy slinky springs, not plated. Classified HTS 7217.10.80.45 for high-carbon heat-treated round wire ≥1.5 mm uncoated. Enables tight coiling and spring-back action.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wound into finished slinky toy
Completed spring toys classified under toys/games in Chapter 95.
If not heat-treated music wire
Cold-drawn but non-heat-treated high-carbon wire uses different subheading.
If base metal mountings
Slinky with decorative metal fittings classified as hardware.
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Import Tips & Compliance
• Certify elasticity modulus and cycle fatigue life; ensure uniform diameter for consistent slinky spacing; no rust preventative coatings allowed
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Heat-Treated High-Carbon Spring Steel Wire 2.0 mm
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