Stainless Steel Compression Coil Spring
A helical spring made from stainless steel wire under 16mm diameter, designed to resist compressive forces in industrial machinery. It falls under HTS 7320.90.5020 as a wire spring, other than leaf springs, per Chapter 73 wire definition (cross-section ≤16mm). Used in automotive suspensions and valves.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wire cross-section exceeds 16mm
Exceeds Chapter 73 'wire' definition, classified as non-wire steel spring.
If designed as helical springs specifically for motor vehicle suspensions
Vehicle-specific helical springs have dedicated subheading 7320.20.
If imported as integral part of compressor/pump assembly
Parts of specified machinery take Chapter 84 classification over Chapter 73.
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Import Tips & Compliance
• Verify wire diameter ≤16mm via mill certificates to confirm Chapter 73 'wire' classification
• Provide engineering specs showing non-leaf spring design to avoid misclassification as 7320.10
Related Products under HTS 7320.90.50.20
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Dual-leg torsion spring from music wire for battery contacts and clamps. HTS 7320.90.5020 wire spring category.
Conical Compression Wire Spring
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Square Wire Belleville Washer Spring
Square-section wire disc spring (Belleville) for high-load stacking. Wire ≤16mm qualifies 7320.90.5020.
Hairpin Tension Spring
Hairpin/bungee-style wire spring for gates and tarps. 7320.90.5020 classification.