HS Code for Flexible conduits

Flexible conduits made of base metals other than iron or steel are classified under HS code 8307.90. This heading covers flexible tubing of base metal, with or without their fittings. The classification depends primarily on the material of construction. While iron and steel variants are common, 8307.90 is the residual category for tubing made from aluminum, copper, brass, or other non-ferrous metals. These products are typically used for protecting electrical wiring or for the conveyance of fluids and gases where flexibility and vibration resistance are required. The construction often involves a spirally wound metal strip that allows for movement while maintaining structural integrity. Under the Harmonized System, if the conduit is combined with insulating material for electrical purposes, it might still fall here unless it is considered an "insulated fitting" under heading 8547. However, standard flexible metal conduits remain in 8307 regardless of their end-use in electrical or mechanical systems, provided they are not specifically designed as parts of other machinery.

Products Included

• Aluminum flexible conduits for wiring
• Brass flexible hoses for plumbing
• Copper flexible tubing for gas connections
• Flexible metal bellows made of non-ferrous alloys
• Liquid-tight flexible non-steel conduits
• Flexible metal exhaust connectors (non-steel)

Common Misclassification

The most frequent misclassification is 8307.10, which is specifically for flexible tubing made of iron or steel. Users often fail to distinguish the base metal during declaration. Additionally, if the conduit is made of plastic, it must be classified under heading 3917. If the product is an insulated electrical cable rather than just the protective housing, it belongs in heading 8544. Furthermore, if the tubing is specifically designed for use as a part of a vehicle or aircraft, it might be misclassified in Chapter 87 or 88, though 8307 generally takes precedence as a heading of specific description.

FAQ

What is the HS code for flexible conduits?

Flexible conduits made of base metals other than iron or steel are classified under HS code 8307.90.

Are fittings included in this HS code?

Yes, HS code 8307.90 includes flexible tubing whether or not it is fitted with its own connection pieces or couplings.