Heat-Treated 0.35% Carbon Music Wire
High-tensile round music wire with 0.35% carbon content, heat treated for superior elasticity and fatigue resistance in piano strings and musical instruments. Meets precise diameter tolerances for vibration applications. Falls under HTS 7217.10.80.10 for its nonalloy composition, carbon level, round form, and heat processing.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If under 0.25% carbon
Lower carbon music wire shifts to lower carbon content subheading.
If imported as finished springs
If formed into springs rather than raw wire, classifies as stranded wire products.
If bars/rods form
Thicker cross-sections exceed wire diameter limits, becoming bars.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include spectrochemical analysis confirming 0.25-0.6% carbon to prevent disputes over music wire classification
• Document heat treatment specs (tempering details); pitfall is confusion with cold-heading wire
• Ensure no polishing beyond heat treatment; excessive finish may require 'polished' subcategory proof
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