United States of America HS Code

HS Code 391721: Tubes, pipes and hoses, rigid : Of polymers of ethylene in United States of America

Q: Is HS code 391721 the same across all countries?

Yes — up to the 6-digit level, HS code 391721 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. United States of America extends it under HTS / HTSUS.

Q: What system does United States of America use to classify HS code 391721?

United States of America classifies products under the Harmonized Tariff Schedule of the United States (HTS / HTSUS; locally Harmonized Tariff Schedule), which extends HS codes to 10 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 391721 in United States of America?

The official source is https://www.cbp.gov/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 391721 in United States of America

Under United States of America's Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule), HS Code 391721 is the WCO Harmonized System subheading for Tubes, pipes and hoses, rigid : Of polymers of ethylene. This is the most detailed internationally standardized level; United States of America extends classifications to 10 digits under its national tariff system. 391721 belongs to Section VII: Plastics and articles thereof; rubber and articles thereof, Chapter 39: Plastics and articles thereof, Heading 3917: Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics.

Explore more 2026 Latest United States of America import export trade data and shipment records for HS Code Rigid Polyethylene Pipes on TradeInt global trade data platform

Classification Path of HS Code 391721 in United States of America

Section VII

Chapters (39-40) Plastics and articles thereof; rubber and articles thereof

Chapter 39

Plastics and articles thereof

HS Code 3917

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics

HS Code 391721

Tubes, pipes and hoses, rigid : Of polymers of ethylene

HS Code 3917210000

Of polymers of ethylene

United States of America Tariff Classification: Harmonized Tariff Schedule of the United States (HTS / HTSUS)

In United States of America, HS 391721 is classified under the Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Harmonized Tariff Schedule of the United States (HTS / HTSUS)

Local name Harmonized Tariff Schedule

Digits 10

Official source https://www.cbp.gov/

You know what 391721 means. Now see 2026 latest real trade activity for Rigid Polyethylene Pipes in United States of America.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

Search 2026 Latest United States of America Import Data Search 2026 Latest United States of America Export Data

Top Trading Product of HS Code 3917

Top United States of America import Product Under HS Code 3917

1 391739: Other tubes, pipes and hoses : Other $668.9M 2 391740: Fittings $638.4M 3 391732: Other tubes, pipes and hoses : Other, not reinforced or otherwise combined with other materials, without fittings $512.6M

Figures shown for 2025.

For more 2026 recent data, search for United States of America import trade records

Top United States of America export Product Under HS Code 3917

1 391732: Other tubes, pipes and hoses : Other, not reinforced or otherwise combined with other materials, without fittings $1.5B 2 391740: Fittings $1.1B 3 391739: Other tubes, pipes and hoses : Other $586.6M

Figures shown for 2025.

For more 2026 recent data, search for United States of America export trade records

Related HS Code to United States of America Rigid Polyethylene Pipes (391721)

HS Code 3917210000

Of polymers of ethylene

HS Code 391710

Artificial guts (sausage casings) of hardened protein or of cellulosic materials

HS Code 391722

Tubes, pipes and hoses, rigid : Of polymers of propylene

HS Code 391723

Tubes, pipes and hoses, rigid : Of polymers of vinyl chloride

HS Code 391729

Tubes, pipes and hoses, rigid : Of other plastics

HS Code 391731

Other tubes, pipes and hoses : Flexible tubes, pipes and hoses, having a minimum burst pressure of 27,6 MPa

HS Code 391732

Other tubes, pipes and hoses : Other, not reinforced or otherwise combined with other materials, without fittings

HS Code 391733

Other tubes, pipes and hoses : Other, not reinforced or otherwise combined with other materials, with fittings

HS Code 391739

Other tubes, pipes and hoses : Other

HS Code 391740

Fittings

Frequently Asked Questions

What is HS code 391721 in United States of America?

HS code 391721 covers Tubes, pipes and hoses, rigid : Of polymers of ethylene in United States of America. It sits in Chapter 39 (Plastics and articles thereof), Heading 3917 of the Harmonized System, and is classified under HTS / HTSUS.

Is HS code 391721 the same across all countries?

What system does United States of America use to classify HS code 391721?

Where can I officially look up HS code 391721 in United States of America?