Rolled Alloy Steel Exhaust Tubing
Mandrel-bent tubing made from 409/439 ferritic alloy steel, used for automotive exhaust manifolds. It is classified under tariff item 7306.90.00 as a welded alloy steel tube in vehicle exhaust systems.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the tubing is seamless
Seamless tubes of alloy steel, other than stainless, are classified under heading 7304.
If the tubing is part of a complete exhaust system
Silencers (mufflers) and exhaust pipes of motor vehicles are classified under heading 8708.
If the tubing is welded and of circular cross-section
Welded tubes of circular cross-section, of stainless steel, are classified under this subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the tubing is not classified as a part of a motor vehicle under Chapter 87, which could change classification
• Provide documentation showing the alloy steel grade and tube dimensions
• Be prepared to demonstrate that the tubing is a raw material, not a finished article
Related Products under Tariff item 7306.90.00
17-4PH Stainless Alloy Steel Hollow Bar
A precipitation-hardened 17-4PH stainless alloy steel hollow bar, machined from tube for use in valve bodies and pump shafts. It qualifies as an 'other' tube or hollow profile of iron or steel under tariff item 7306.90.00 because it is not specifically classified elsewhere in the chapter.
Alloy Steel Bicycle Frame Tube Set
A pre-cut, mitered tube set made from 4130 chromoly alloy steel, intended for custom bicycle frame fabrication. Each individual tube is classified under tariff item 7306.90.00 as an 'other' alloy steel hollow profile, as they are not welded or seamless tubes of a specific type listed elsewhere.
Alloy Steel DOM Tubing for Automotive Roll Cages
Drawn-over-mandrel (DOM) tubing made from 4130 alloy steel, with a round profile, used for racing car roll cage construction. It falls under tariff item 7306.90.00 as an 'other' tube of alloy steel, not being a line pipe, casing, or other specific type.
Alloy Steel Fitness Equipment Frame Tube
DOM or welded 4130 alloy steel tubing used for weightlifting racks and gym equipment frames. It is classified under tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, as it is not a specific type of tube listed elsewhere in the chapter.
Alloy Steel Furniture Frame Tubing
Welded oval or rectangular tubing made from 4130 or 4140 alloy steel, used for high-end office furniture legs and frames. It falls under tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, not being a structural section of heading 7308.
Alloy Steel Gun Barrel Blank Tube
Deep-hole drilled 4140/416R alloy steel blanks used for rifle barrel manufacturing. It is classified under tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, as it is not a specific type of tube listed elsewhere in the chapter.