Rigid ABS Pipe Nipples
Acrylonitrile-butadiene-styrene (ABS) copolymer rigid pipe nipples under 200 mm, for drain-waste-vent (DWV) systems in plumbing. Classified in 3917.29.00.50 as rigid tubes of other plastics where no single monomer predominates >95%, per Chapter 39 note (a)(4).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of polymers of propylene (e.g., PP copolymer blend)
Propylene-based rigid tubes have dedicated subheading 3917.22.
If metal-plastic hybrid construction
Primarily metal pipes with plastic lining shift to Chapter 73 iron/steel tubes.
If pre-assembled with flanges or elbows
Fittings attached trigger 3917.40 per US note on heading 3917.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document copolymer composition showing no monomer >95% to justify 'other plastics' over specific polymer headings
• Ensure straight tubular form; threaded ends alone don't make it a 'fitting' under US notes
Related Products under HTS 3917.29.00.50
Acrylic Rigid Tubing Cutoffs
Polymethyl methacrylate (acrylic) rigid tubing pieces less than 200 mm long, used in aquariums, displays, and lab equipment. Falls under HTS 3917.29.00.50 for rigid tubes of other plastics, distinguished by predominant monomer unit per subheading notes.
Polystyrene Rigid Straw Tubes
Rigid polystyrene tubes less than 200 mm, used as industrial straws or sample transport in labs. HTS 3917.29.00.50 applies to rigid tubes of styrene polymers as 'other plastics'.
Nylon Rigid Capillary Tubes
Rigid polyamide-6 (nylon) capillary tubes <200 mm for medical fluid transfer and instrumentation. Classified 3917.29.00.50 for rigid tubes of other plastics like polyamides.
Polypropylene Short Rigid Pipes
Wait, no—PP is 3917.22. But for copolymer blends where PP <95%, short rigid polypropylene-blend pipes <200 mm for chemical transport. Fits 3917.29.00.50 per note (a)(4) predominant monomer rule.
Rigid Fluoropolymer Tubes
Rigid PVDF (polyvinylidene fluoride) tubes <200 mm for corrosive chemical handling. HTS 3917.29.00.50 as rigid tubes of other plastics (fluoropolymers).
ASA Rigid Plumbing Stubs
Acrylonitrile-styrene-acrylate (ASA) copolymer rigid stubs <200 mm for outdoor plumbing. 3917.29.00.50 for rigid other plastics copolymers.