Corrugated Rigid HDPE Culvert Pipe
A large-diameter corrugated rigid high-density polyethylene (HDPE) pipe used for highway culverts and stormwater management. Its rigid structure and ethylene polymer composition place it under tariff item 3917.21.00, which covers rigid tubes, pipes, and hoses of polymers of ethylene.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪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 pipe is flexible and reinforced or otherwise combined with other materials
Flexible pipes of plastics, even if reinforced, fall under a different heading for flexible tubes.
If the culvert pipe is part of a prefabricated structural system for civil engineering
Articles of plastics for construction, such as structural elements, may be classified under heading 3925.
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 pipe is classified as rigid and made of ethylene polymers (HDPE) to qualify for 3917.21.00
• Provide a certificate of origin if claiming preferential tariff treatment under a free trade agreement
• Verify the pipe dimensions and end-use to avoid misclassification as flexible tubing
Related Products under Tariff item 3917.21.00
HDPE Rigid Conduit Pipe
A rigid HDPE electrical conduit pipe designed for underground wiring protection. It is a rigid tube of ethylene polymers, meeting the criteria for tariff item 3917.21.00, which covers rigid pipes of polymers of ethylene.
HDPE Rigid Gas Distribution Pipe
A rigid high-density polyethylene pipe used for natural gas distribution networks, designed to meet strict pressure ratings. Its ethylene polymer base and rigid structure qualify it for tariff item 3917.21.00, covering rigid tubes of polymers of ethylene.
High-Pressure Rigid HDPE Tubing
Rigid HDPE tubing designed for high-pressure chemical transfer in industrial settings. It is a non-flexible tube of ethylene polymers, falling under tariff item 3917.21.00 for rigid tubes, pipes, and hoses of polymers of ethylene.
Rigid PE Drainage Pipe
Corrugated rigid polyethylene pipe used for stormwater and sewage drainage in construction. Its rigid structure and ethylene polymer composition (HDPE) qualify it for tariff item 3917.21.00, covering rigid tubes of polymers of ethylene.
Rigid PE Pressure Pipe SDR11
Thick-walled rigid PE pipe with a standard dimension ratio (SDR11) used for municipal water pressure lines. It is composed of ethylene polymers (95% or more) and is rigid, qualifying for tariff item 3917.21.00 for rigid tubes of polymers of ethylene.
Rigid Polyethylene Irrigation Pipe
Schedule 40 rigid PE pipe used for agricultural irrigation systems, either buried or above-ground. It is a rigid tube of ethylene polymers, meeting the criteria for tariff item 3917.21.00, which covers rigid pipes of polymers of ethylene.