Stainless Steel 302 Spring Temper Fine Wire
AISI 302 grade stainless round wire, diameter <0.25 mm, with spring temper for high-tension coil springs in watches and instruments. HTS 7223.00.10.16 applies to this drawn, not further worked, ultra-thin stainless wire. Tempering is a cold-working process not constituting 'further worked' per chapter notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not round cross-section (e.g., square or flat)
Non-round stainless wire classified separately within heading 7223.
If made into finished springs
Assembled springs become finished articles under screws, bolts, and similar.
If wound into complete motor armatures
End-use as distributed parts for electrical machinery changes classification.
Not sure which classification is right?
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Import Tips & Compliance
• Include tensile strength test results proving spring temper without surface treatments
• Label spools clearly with alloy grade and diameter to facilitate CBP verification
• Avoid bundling with coated wires, as mixtures trigger separate tariff line entries
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