Thin Seamless Steel Exhaust Tubing
Seamless nonalloy steel tubes with wall <4 mm for automotive exhaust manifolds and downpipes. Classified under HTS 7304.90.50.00 as thin-walled seamless pipes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If as motor vehicle exhaust parts
Vehicle-specific exhaust components classify under Chapter 87.
If standard welded exhaust pipe
Nearly all exhaust tubing is welded construction.
If thicker walls for racing exhausts
Performance exhausts often use heavier gauge seamless.
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Import Tips & Compliance
• Specify high-temperature tolerance but generic tube form
• Ship uncoated; aluminized coating risks Chapter 73 other articles
• Confirm diameter suits exhaust without vehicle-specific bending
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