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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If supplied as spark-ignition engine part
Engine-specific springs are classified with the engine type.
If for motorcycle in complete socket set
Motorcycle parts in sets follow vehicle-specific classifications.
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Import Tips & Compliance
• Document heat treatment process for alloy verification; separate from engine assemblies
• Avoid pitfall of vehicle part classification without proof
• Check for specialty steel tariffs
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.
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.
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.
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.