# HS code 3917.22: Tubes, pipes and hoses, rigid, of polymers of propylene > HS code 3917.22 covers tubes, pipes and hoses, rigid, of polymers of propylene. It sits in heading 39.17 (tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics) in chapter 39 (plastics and articles thereof). Other goods of heading 39.17 are classified under 3917.10 (artificial guts (sausage casings) of hardened protein or of cellulosic materials), 3917.21 (tubes, pipes and hoses, rigid, of polymers of ethylene), 3917.23 (tubes, pipes and hoses, rigid, of polymers of vinyl chloride), 3917.29 (tubes, pipes and hoses, rigid, of other plastics) or 5 others. National tariff lines under 3917.22 are live on border.bot for the United States (1 line, also used by 1 other country). Source: https://border.bot/hs-codes/391722 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 39](https://border.bot/hs-codes/39) / [39.17](https://border.bot/hs-codes/3917) / [3917.22](https://border.bot/hs-codes/391722) ## Key facts - HS code: 3917.22 - Covers: Tubes, pipes and hoses, rigid, of polymers of propylene - Heading: [39.17: Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics](https://border.bot/hs-codes/3917) - Chapter: [39: Plastics and articles thereof](https://border.bot/hs-codes/39) - Edition: HS2022 - Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/391722) ## What this code covers HS code 3917.22 covers tubes, pipes and hoses, rigid, of polymers of propylene. The legal text of the subheading is “Tubes, pipes and hoses, rigid: Of polymers of propylene”, read under “Tubes, pipes and hoses, rigid”, in HS2022. ## What it doesn’t cover Other goods of heading 39.17 are classified under 3917.10 (artificial guts (sausage casings) of hardened protein or of cellulosic materials), 3917.21 (tubes, pipes and hoses, rigid, of polymers of ethylene), 3917.23 (tubes, pipes and hoses, rigid, of polymers of vinyl chloride), 3917.29 (tubes, pipes and hoses, rigid, of other plastics) or 5 others. - [3917.10](https://border.bot/hs-codes/391710) Artificial guts (sausage casings) of hardened protein or of cellulosic materials - [3917.21](https://border.bot/hs-codes/391721) Tubes, pipes and hoses, rigid: Of polymers of ethylene - [3917.23](https://border.bot/hs-codes/391723) Tubes, pipes and hoses, rigid: Of polymers of vinyl chloride - [3917.29](https://border.bot/hs-codes/391729) Tubes, pipes and hoses, rigid: Of other plastics - [3917.31](https://border.bot/hs-codes/391731) Other tubes, pipes and hoses: Flexible tubes, pipes and hoses, having a minimum burst pressure of 27.6 MPa - [3917.32](https://border.bot/hs-codes/391732) Other tubes, pipes and hoses: Other, not reinforced or otherwise combined with other materials, without fittings - [3917.33](https://border.bot/hs-codes/391733) Other tubes, pipes and hoses: Other, not reinforced or otherwise combined with other materials, with fittings - [3917.39](https://border.bot/hs-codes/391739) Other tubes, pipes and hoses: Other - [3917.40](https://border.bot/hs-codes/391740) Fittings ## How it is structured 3917.22 is a six-digit subheading. Its first two digits, 39, are the chapter; the first four, 3917, are heading 39.17; the last two, 22, identify the subheading within the heading. Countries add their own digits after these six for their national tariff lines. - Chapter 39: Plastics and articles thereof - Heading 39.17: Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics - Within the heading: Tubes, pipes and hoses, rigid - Subheading 3917.22: Of polymers of propylene ## In other countries National tariff lines under 3917.22 are live on border.bot for the United States (1 line, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/391722): 1 line, used by 1 other country - Previous subheading: [3917.21](https://border.bot/hs-codes/391721) Tubes, pipes and hoses, rigid: Of polymers of ethylene - Next subheading: [3917.23](https://border.bot/hs-codes/391723) Tubes, pipes and hoses, rigid: Of polymers of vinyl chloride ## Frequently asked questions ### What does HS code 3917.22 cover? HS code 3917.22 covers tubes, pipes and hoses, rigid, of polymers of propylene. ### Which heading and chapter is HS code 3917.22 in? HS code 3917.22 is in heading 39.17 (tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics) in chapter 39 (plastics and articles thereof). ### Where are goods of heading 39.17 classified when 3917.22 doesn’t fit? Other goods of heading 39.17 are classified under 3917.10 (artificial guts (sausage casings) of hardened protein or of cellulosic materials), 3917.21 (tubes, pipes and hoses, rigid, of polymers of ethylene), 3917.23 (tubes, pipes and hoses, rigid, of polymers of vinyl chloride), 3917.29 (tubes, pipes and hoses, rigid, of other plastics) or 5 others. ### Which countries’ tariffs list national lines under HS code 3917.22? National tariff lines under 3917.22 are live on border.bot for the United States (1 line, also used by 1 other country). ## Sources and updates The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026. This page was last updated on 11 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Machine-readable: https://border.bot/hs-codes/391722.json