Find HS Code and trade information for metal tube

Metal Tube

A metal tube is a hollow cylindrical component, typically manufactured from various metallic materials, serving a broad range of structural and functional purposes.

Materials

Metal tubes are produced from a diverse selection of metals and alloys, each offering unique properties:

• Steel: The most common material, offering high strength, durability, and affordability. Subtypes include:
  • Carbon Steel: General purpose, widely used in construction, plumbing, and automotive applications.
  • Stainless Steel: Corrosion-resistant, ideal for hygienic environments, chemical processing, and high-temperature applications. Grades like 304 and 316 are common.
  • Alloy Steel: Enhanced strength, toughness, or specific properties for specialized applications.
• Aluminum: Lightweight, corrosion-resistant, and easily machinable, used in aerospace, automotive, and packaging.
• Copper: Excellent electrical and thermal conductivity, commonly used in plumbing, electrical wiring, and heat exchangers.
• Brass: Corrosion-resistant and aesthetically pleasing, used in decorative applications, musical instruments, and plumbing fittings.
• Titanium: High strength-to-weight ratio and exceptional corrosion resistance, used in aerospace, medical implants, and chemical processing.

Purpose & Function

Metal tubes fulfill a variety of functions:

• Structural Support: Providing load-bearing capabilities in frameworks, scaffolding, and machinery.
• Fluid Transport: Conveying liquids, gases, and powders in pipelines, hydraulic systems, and pneumatic systems.
• Heat Transfer: Facilitating heat exchange in heat exchangers, radiators, and boilers.
• Enclosure & Protection: Housing electrical wires, protecting sensitive components, and providing a defined pathway.
• Aesthetic Applications: Used in furniture, handrails, and decorative elements.

Usage Scenarios

The application of metal tubes spans numerous industries:

• Construction: Scaffolding, handrails, structural supports, plumbing, and gas lines.
• Automotive: Exhaust systems, chassis components, fuel lines, and hydraulic brake lines.
• Aerospace: Aircraft frames, hydraulic systems, and fuel lines.
• Oil & Gas: Pipelines for transporting crude oil, natural gas, and refined products.
• Medical: Surgical instruments, implants, and fluid delivery systems.
• Plumbing: Water supply lines, drainage pipes, and gas lines.
• Manufacturing: Frameworks for machinery, conveyor systems, and material handling equipment.
• Furniture: Table legs, chair frames, and decorative elements.

Common Types

Metal tubes are categorized based on manufacturing process, dimensions, and properties:

• Seamless Tubes: Manufactured from a solid billet, offering high strength and resistance to pressure. Ideal for critical applications.
• Welded Tubes: Formed from a strip of metal and welded along the seam. More cost-effective than seamless tubes.
  • ERW (Electric Resistance Welded): Welded using electric resistance heating. Common for general purpose applications.
  • DSAW (Direct Seam Welded): Welded using a submerged arc welding process, suitable for large-diameter pipes.
• Square/Rectangular Tubes: Hollow tubes with square or rectangular cross-sections, used in structural applications and frameworks.
• Round Tubes: Cylindrical tubes, the most common form, used in a wide range of applications.
• Precision Tubes: Manufactured to tight tolerances for specialized applications requiring accurate dimensions.
• Hydraulic Tubing: Specifically designed for hydraulic systems, offering high pressure resistance and smooth inner surfaces.
• Condensate Tubing: Used in HVAC systems for draining condensate water.

The declared goods are identified as “metal tube”. Based on the provided information, several HS codes may be applicable, depending on the specific material, dimensions, and manufacturing process.

Here's a breakdown of potentially relevant HS codes:

• 7304390020: This code covers tubes, pipes, and hollow profiles, seamless, of iron (other than cast iron) or steel, specifically “Other, of circular cross section, of iron or nonalloy steel: Other: Having an outside diameter less than 38.1 mm”. Chapter 73 relates to iron or steel products. Heading 04 specifies tubes, pipes, and hollow profiles. Subheading 3900 further defines seamless tubes and pipes, while the final digits specify the material and diameter. The total tax rate is 30.0%.

• 7304901000: This code covers tubes, pipes, and hollow profiles, seamless, of iron (other than cast iron) or steel: Other: Having a wall thickness of 4 mm or more: Of iron or nonalloy steel. Similar to the previous code, Chapter 73 covers iron or steel products, Heading 04 specifies tubes, pipes, and hollow profiles, and Subheading 9010 defines seamless tubes with a wall thickness of 4mm or more. The total tax rate is 30.0%.

• 7305111030: This code covers other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel: Line pipe of a kind used for oil or gas pipelines: Longitudinally submerged arc welded: Of iron or nonalloy steel With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm. Chapter 73 covers iron or steel products, Heading 05 specifies other tubes and pipes, and Subheading 1110 defines line pipe used for oil or gas pipelines. The total tax rate is 30.0%.

• 7305111060: This code covers other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel: Line pipe of a kind used for oil or gas pipelines: Longitudinally submerged arc welded: Of iron or nonalloy steel With an external diameter exceeding 609.6 mm. Similar to the previous code, Chapter 73 covers iron or steel products, Heading 05 specifies other tubes and pipes, and Subheading 1110 defines line pipe used for oil or gas pipelines. The total tax rate is 30.0%.

• 7608100030: This code covers Aluminum tubes and pipes: Of aluminum, not alloyed Seamless. Chapter 76 relates to aluminum products, Heading 08 specifies tubes and pipes, and Subheading 1000 further defines aluminum tubes and pipes, specifically those that are not alloyed and seamless. The total tax rate is 35.7%.

• 7608200030: This code covers Aluminum tubes and pipes: Of aluminum alloys Seamless. Chapter 76 relates to aluminum products, Heading 08 specifies tubes and pipes, and Subheading 2000 further defines aluminum alloy tubes and pipes, specifically those that are seamless. The total tax rate is 35.7%.

• 8307103000: This code covers Flexible tubing of base metal, with or without fittings: Of iron or steel: With fittings. Chapter 83 relates to base metal articles, Heading 07 specifies flexible tubing, and Subheading 1030 defines flexible tubing of iron or steel with fittings. The total tax rate is 58.8%.

• 8307106000: This code covers Flexible tubing of base metal, with or without fittings: Of iron or steel: Other. Chapter 83 relates to base metal articles, Heading 07 specifies flexible tubing, and Subheading 1060 defines flexible tubing of iron or steel without fittings. The total tax rate is 58.8%.

It is important to determine the exact material (iron, steel, aluminum, alloy), manufacturing process (seamless, welded), dimensions (diameter, wall thickness), and intended use to select the correct HS code.