AISI 304 High-Tensile Spring Wire for Valves
Round AISI 304 stainless spring wire with high tensile strength for valve return springs in engines and pumps. Classified in HTS 7223.00.10.05 as statistical note 8 spring wire, characterized by uniform microstructure for reliable performance.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If further worked after drawing
Chapter note defines 'further worked' (coating, polishing beyond draw) moves to 7228.
If cut to length as valve spring blanks
Specific cut lengths for assemblies may be parts of taps/valves in 8481.
If other alloy not qualifying as tool/specialty
Different alloy compositions shift within chapter 72 stainless headings.
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Import Tips & Compliance
• Provide proof of high-tensile draw process meeting spring wire torque specs
• Separate automotive vs general industrial shipments for accurate statistical reporting
• Ensure no 'further worked' treatments like coating to stay in 7223.00
Related Products under HTS 7223.00.10.05
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AISI 316 Stainless Steel Spring Wire 0.8mm Diameter
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