Carbon Steel Extension Helical Spring

A carbon steel helical spring that extends when pulled and contracts back, used in garage doors and trampolines. Classified under HTS 7320.20.5060 as 'other' helical springs of iron or steel, excluding those for specific vehicle or coil applications. Meets Chapter 73 definition for non-wire springs exceeding simple wire form.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.9%+17.5%21.4%
🇲🇽Mexico3.9%+10.0%13.9%
🇨🇦Canada3.9%+10.0%13.9%
🇩🇪Germany3.9%+10.0%13.9%
🇯🇵Japan3.9%+10.0%13.9%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7320.20.10Higher: 35.7% vs 21.4%

If specifically for motor vehicle suspension

Vehicle-specific helical springs have a dedicated subheading for automotive end use.

8302.41.30Higher: 38.9% vs 21.4%

If part of base metal mountings for furniture

Springs incorporated into furniture hardware are classified as mountings, not separate springs.

9403Lower: 10% vs 21.4%

If sold as component of furniture in a set

Furniture parts including springs are classified under furniture headings when sold as sets for retail.

Not sure which classification is right?

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Import Tips & Compliance

Provide test reports on tensile strength and coil diameter to support classification; label clearly as 'spring' not 'wire product'

Pitfall: bulk wire shipments misclassified without forming proof

Check for Section 232 steel tariffs based on melt/foundry origin

Related Products under HTS 7320.20.50.60

Stainless Steel Compression Helical Spring

A helical spring made of stainless steel designed to compress under load and return to its original shape, commonly used in automotive suspensions and machinery. It falls under HTS 7320.20.5060 as a helical spring of iron or steel, classified as 'other' within the 'other' subcategory for non-coil or specific use springs. This classification applies to finished helical springs not specified elsewhere in the subheading.

Music Wire Torsion Helical Spring

High-carbon steel music wire helical spring that resists twisting forces, used in clothespins and mechanical timers. Falls under HTS 7320.20.5060 for other helical springs of iron or steel, as a finished torsion type not covered by prior subheadings. Precision-formed beyond raw wire per chapter notes.

Alloy Steel Die Spring for Presses

Heavy-duty rectangular-section helical spring from alloy steel for industrial stamping presses. HTS 7320.20.5060 covers this as other helical springs of iron or steel, distinct from standard round-wire types. Designed for high-load compression in manufacturing equipment.

Chrome Silicon Valve Spring

Helical compression spring made of chrome silicon steel for engine valves in motorcycles. Classified in HTS 7320.20.5060 as other helical springs, not specific to vehicle suspension. High-fatigue resistance suits high-RPM applications.

Steel Clock Mainspring Helical

Precision helical mainspring of hardened steel for mechanical clocks and watches. Under HTS 7320.20.5060 for other iron/steel helical springs, excluding specialized timepiece parts. Provides power storage via coiling mechanism.

Galvanized Steel Retractable Cord Spring

Galvanized helical spring for retractable extension cords and hoses. HTS 7320.20.5060 as other helical springs of iron or steel, for consumer and light industrial retraction. Corrosion-resistant coating for outdoor use.