0.7mm Piano Wire Alloy Steel Round
High-carbon alloy steel piano wire, 0.7mm round, for musical instrument strings. HTS 7229.90.50 as other alloy steel round wire; tensile strength high but doesn't meet high-strength yield specs or tool steel composition. Precision drawn for consistent pitch stability.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as musical instrument strings
Assembled string sets for instruments classify in Chapter 92.
If meets high-strength minimum yield
Wire exceeding yield point thresholds per note (a) goes to 7228.
If tool steel carbon/chromium specs
High carbon + chromium meeting note (e) becomes tool steel.
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Import Tips & Compliance
• Torsion test results distinguish piano wire from common spring wire
• Ensure wire remains straight draw; tempered versions may change heading
• Package labeling prevents confusion with guitar string sets (Chapter 92)
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