Rigid Polyethylene Water Pipe
A rigid tube made from high-density polyethylene (HDPE) polymers of ethylene, used for underground water distribution systems. It falls under HTS 3917.21.00.00 as a rigid pipe composed primarily of ethylene polymers (95%+ by weight), designed for fluid conveyance without flexibility.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the pipe is flexible rather than rigid
Flexible tubes, pipes, and hoses of ethylene polymers are classified under 3917.31, based on physical rigidity test.
If sold with attached fittings like elbows or joints
Heading 3917 note specifies free duty (C) only for tubes/pipes with fittings, potentially shifting classification or rate.
If constructed of steel lined with polyethylene
Steel pipes with plastic lining fall under Chapter 73 for iron/steel tubes, not plastic heading 3917.
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Import Tips & Compliance
• Verify polymer composition meets 95% ethylene monomer requirement per subheading notes to avoid reclassification
• Provide material test certificates confirming rigidity and ethylene polymer content during customs entry
• Avoid common pitfalls like misdeclaring flexible HDPE as rigid, which shifts to 3917.31 or 3917.39
Related Products under HTS 3917.21.00.00
HDPE Rigid Gas Distribution Pipe
Rigid high-density polyethylene pipe for natural gas distribution networks, meeting strict pressure ratings. Classified in 3917.21.00.00 due to its ethylene polymer base (predominant monomer) and rigid structure for buried installations.
HDPE Rigid Conduit Pipe
Rigid HDPE electrical conduit pipe for underground wiring protection. Meets 3917.21.00.00 as ethylene polymer rigid tube for structural support.
Corrugated Rigid HDPE Culvert Pipe
Large-diameter corrugated rigid HDPE pipe for highway culverts and stormwater. Rigid ethylene polymer structure places it in 3917.21.00.00.
Rigid PE Drainage Pipe
Corrugated rigid polyethylene pipe used for stormwater and sewage drainage in construction. It qualifies under 3917.21.00.00 as a rigid tube of ethylene polymers, with HDPE providing the necessary stiffness and durability.
High-Pressure Rigid HDPE Tubing
Rigid HDPE tubing for high-pressure chemical transfer in industrial settings. Falls under 3917.21.00.00 for its ethylene-based polymer composition and non-flexible design.
Rigid Polyethylene Irrigation Pipe
Schedule 40 rigid PE pipe for agricultural irrigation systems, buried or above-ground. Classified in 3917.21.00.00 as rigid tubes of ethylene polymers per composition rules.