HS Code Heading

Tubing; flexible, with or without fittings, of base metal

83.07 Heading
Section XV — Base metals and articles of base metal

About HS Code 8307

Heading 8307 specifically covers flexible tubing of base metal, whether or not fitted with connectors or other accessories. This classification is critical for industries involved in plumbing, HVAC, automotive, industrial machinery, and electrical installations. The defining characteristics are 'flexible' and 'of base metal.' This differentiates it from rigid pipes and tubes of base metal (typically Chapter 73) and non-metallic flexible hoses (e.g., rubber in Chapter 40, plastic in Chapter 39). The scope includes corrugated metal hoses, braided metal hoses, and interlocked metal conduits used for conveying liquids, gases, or protecting electrical wiring. Key sub-categories might include flexible stainless steel hoses, flexible brass connectors, and flexible metal conduits. The 'of base metal' criterion is absolute; even if a hose has a plastic lining, if the primary flexible structure is base metal, it falls here. This heading is part of Chapter 83, 'Miscellaneous articles of base metal,' and Section XV, 'Base Metals and Articles of Base Metal.' This placement highlights that these are finished industrial components rather than raw materials. Accurate classification is essential for trade compliance, ensuring correct tariff application, especially given the various applications and potential for confusion with other types of tubing or complete machines that incorporate them.

Products Under This Code

Flexible stainless steel corrugated tubing, flexible brass gas connector hoses, flexible metal electrical conduits, flexible metal shower hoses, flexible interlocked metal hose, flexible metal hydraulic lines, flexible metal coolant lines, flexible metal fuel lines, flexible metal exhaust tubing, flexible metal vacuum hoses, flexible metal medical gas lines, flexible braided metal water connectors, flexible metal oil lines, flexible metal conduit for fiber optic cables, flexible metal industrial process hoses, flexible metal pressure hoses, flexible metal expansion joints, flexible metal conduit for wiring harnesses, flexible metal drainage hoses, flexible metal vent hoses.

Real World Examples

An automotive parts manufacturer in Germany imports flexible stainless steel exhaust tubing from Turkey for integration into vehicle exhaust systems, utilizing established European supply chains. A plumbing supply company in Australia sources large quantities of flexible braided metal water connector hoses from China for both residential and commercial installations across the country. An industrial machinery producer in the United States imports flexible metal electrical conduits from Canada, benefiting from duty reductions under USMCA, to protect wiring in its heavy equipment. A major HVAC system installer in the Middle East imports flexible copper-alloy tubing from South Korea for air conditioning installations.

Common Misclassification

Common misclassifications under 8307 revolve around the material and flexibility. Traders often confuse flexible base metal tubing with rigid pipes and tubes of base metal (Chapter 73), which are designed for structural or fixed installations. Another frequent error is classifying hoses made primarily of plastic (Chapter 39, e.g., 3917) or rubber (Chapter 40, e.g., 4009) under 8307, even if they have minor metal fittings; the 'of base metal' criterion refers to the tubing itself. Additionally, complete machines or appliances that incorporate flexible tubing (e.g., a washing machine with its supply hoses) are classified as the machine itself (e.g., Chapter 84), not the individual hose. The 'flexible' and 'base metal' aspects of the tubing are the defining factors.

Subheadings 2

8307.10 Tubing; flexible, with or without fittings, of iron or steel 8307.90 Tubing; flexible, with or without fittings of base metal, other than those of iron or steel

Related Codes

83.01 Padlocks and locks (key, combination, electrically operated) of base metal; clasps and frames with clasps incorporating locks, of base metal, keys for any or the foregoing articles, of base metal 83.02 Base metal mountings, fittings and similar articles for furniture, doors, staircases, windows, trunks, chests etc, castors with mountings of base metal, automatic door closers of base metal 83.03 Safes; armoured or reinforced, strong-boxes, doors and safe deposit lockers for strong-rooms, cash or deed boxes and the like, of base metal 83.04 Office equipment; filing cabinets, card-index cabinets, paper trays and rests, pen trays, office-stamp stands and the like, of base metal, other than office furniture of heading no. 9403 83.05 Stationery; fittings for loose-leaf binders or files, letter clips, letter corners, paper clips, indexing tags and the like, staples in strips (for offices, upholstery, packaging), of base metal 83.06 Bells, gongs and the like; non-electric, statuettes, other ornaments, photograph, picture, similar frames, mirrors, of base metal 83.08 Clasps, frames with clasps, buckles, buckle-clasps, hooks, eyes, eyelets etc for clothing & accessories, footwear, jewellery, wrist-watches, books, awnings, leather goods, travel goods, saddlery etc, tubular etc rivets, beads, spangles, of base metal 83.09 Stoppers, caps, lids (including crown corks, screw caps, pouring stoppers); capsules for bottles, threaded bungs, bung covers, seals and other packaging accessories, of base metal 83.10 Sign plates, name plates, address plates and similar plates, numbers, letters and other symbols, of base metal, excluding those of heading no. 9405 83.11 Wires, rods, tubes, plates, electrodes of base metal or metal carbides; of a kind used for soldering, brazing, welding; wires and rods for metal spraying

Industry

This code belongs to the Metals & Metal Products industry.

Trade Overview

Major producers and exporters of flexible base metal tubing include industrial powerhouses like China, Germany, the United States, and Japan, reflecting their advanced manufacturing capabilities and high demand from various industries. Importers are widespread globally, driven by construction, automotive, manufacturing, and infrastructure development projects in virtually every country. Trade agreements, such as the USMCA, EU-Japan EPA, and various regional FTAs, play a significant role in reducing tariffs and facilitating the cross-border movement of these essential industrial components, though specific duties can vary based on the type of base metal and application.

Frequently Asked Questions

What is HS code 8307?

HS code 8307 is a 4-digit heading in the Harmonized System that covers: Tubing; flexible, with or without fittings, of base metal. Heading 8307 specifically covers flexible tubing of base metal, whether or not fitted with connectors or other accessories. This classification is critical for industries involved in plumbing, HVAC, automotive, industrial machinery, and electrical installations. The defining characteristics are 'flexible' and 'of base metal.' This differentiates it from rigid pipes and tubes of base metal (typically Chapter 73) and non-metallic flexible hoses (e.g., rubber in Chapter 40, plastic in Chapter 39). The scope includes corrugated metal hoses, braided metal hoses, and interlocked metal conduits used for conveying liquids, gases, or protecting electrical wiring. Key sub-categories might include flexible stainless steel hoses, flexible brass connectors, and flexible metal conduits. The 'of base metal' criterion is absolute; even if a hose has a plastic lining, if the primary flexible structure is base metal, it falls here. This heading is part of Chapter 83, 'Miscellaneous articles of base metal,' and Section XV, 'Base Metals and Articles of Base Metal.' This placement highlights that these are finished industrial components rather than raw materials. Accurate classification is essential for trade compliance, ensuring correct tariff application, especially given the various applications and potential for confusion with other types of tubing or complete machines that incorporate them.

What products fall under HS code 8307?

Flexible stainless steel corrugated tubing, flexible brass gas connector hoses, flexible metal electrical conduits, flexible metal shower hoses, flexible interlocked metal hose, flexible metal hydraulic lines, flexible metal coolant lines, flexible metal fuel lines, flexible metal exhaust tubing, flexible metal vacuum hoses, flexible metal medical gas lines, flexible braided metal water connectors, flexible metal oil lines, flexible metal conduit for fiber optic cables, flexible metal industrial process hoses, flexible metal pressure hoses, flexible metal expansion joints, flexible metal conduit for wiring harnesses, flexible metal drainage hoses, flexible metal vent hoses.

What are common misclassifications for HS code 8307?

Common misclassifications under 8307 revolve around the material and flexibility. Traders often confuse flexible base metal tubing with rigid pipes and tubes of base metal (Chapter 73), which are designed for structural or fixed installations. Another frequent error is classifying hoses made primarily of plastic (Chapter 39, e.g., 3917) or rubber (Chapter 40, e.g., 4009) under 8307, even if they have minor metal fittings; the 'of base metal' criterion refers to the tubing itself. Additionally, complete machines or appliances that incorporate flexible tubing (e.g., a washing machine with its supply hoses) are classified as the machine itself (e.g., Chapter 84), not the individual hose. The 'flexible' and 'base metal' aspects of the tubing are the defining factors.

Which countries trade the most under HS code 8307?

Major producers and exporters of flexible base metal tubing include industrial powerhouses like China, Germany, the United States, and Japan, reflecting their advanced manufacturing capabilities and high demand from various industries. Importers are widespread globally, driven by construction, automotive, manufacturing, and infrastructure development projects in virtually every country. Trade agreements, such as the USMCA, EU-Japan EPA, and various regional FTAs, play a significant role in reducing tariffs and facilitating the cross-border movement of these essential industrial components, though specific duties can vary based on the type of base metal and application.

How is HS code 8307 structured?

HS code 8307 is a 4-digit heading under Chapter 83 of the Harmonized System. The first 2 digits (83) identify the chapter, and digits 3-4 (07) specify the heading. This code contains multiple 6-digit subheadings for precise product classification.