1.1 mm Music Wire ASTM A228
ASTM A228 music wire, high-tensile nonalloy steel with ~0.8% carbon, 1.1 mm diameter, polished but not coated. Ideal for piano strings, musical instruments, and precision springs. HTS 7217.10.80.75 applies to this uncoated, round, high-carbon wire in the specified diameter.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in irregularly wound coils rather than rod-like
Coiled wire resembling bars/rods may classify under 7213 if not qualifying as 'wire' form.
If carbon content under 0.6%
Lower carbon wire in same diameter and form goes to the preceding carbon subheading.
If specialized for ball/roller bearing cages
End-use in bearing components may shift to parts of machinery under Chapter 84.
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Import Tips & Compliance
• Include ASTM A228 certification and tensile strength test results to support high-carbon classification
• Verify no protective oil coating exceeds 'further worked' threshold per Chapter 72 notes
• Avoid misdeclaration as low-carbon; carbon content testing is routine for this HTS
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