US tariff data as of 2026-10-09Tariffs dataset 1.0.0Entry dates 2025-01-01 to 2026-10-09
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Chapter 73 · HTS release 2026HTSRev21

HTS 7307 Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel

Base rates and the additional US duties for imports from the main origins on entry date 2026-10-09, from the HTS Calculator duty engine.

Base rate (column 1 general)
Free to 6.2%
Additional duty, main origins
0–75%
Statistical lines
39
Entry date shown
2026-10-09 (dataset 1.0.0)

Additional duties for the main origins

Additional duties on 2026-10-09
OriginAdditional dutyMeasures
China35–75%Section 232, Section 301
Mexico0–50%Section 232, Section 301
Canada0–50%Section 232, Section 301
Vietnam10–50%Section 232, Section 301
Germany5.2–50%Section 232, Section 301

Range of the Chapter 99 duties (percent of customs value) across the lines of this heading. A range means the result differs between lines or depends on facts about the goods; an asterisk marks lines whose duty also depends on a specific (per unit) base rate. Other origins (Japan, South Korea, Taiwan, India, United Kingdom and any other country): in the calculator and the API.

Chapter 99 headings on these lines

  • 9903.05.29 Section 301
  • 9903.05.31 Section 301
  • 9903.05.39 Section 301
  • 9903.05.55 Section 301
  • 9903.05.84 Section 301
  • 9903.05.90 Section 301
  • 9903.05.93 Section 301
  • 9903.05.94 Section 301
  • 9903.82.01 Section 232
  • 9903.82.02 Section 232
  • 9903.82.06 Section 232
  • 9903.88.03 Section 301

Every line, every origin, with citations

This page sums heading 7307 up. The duty for one line, origin and date comes from the duty engine:

  • Base rate plus each Chapter 99 line, in percent and in dollars
  • Citations to the Federal Register, CBP and the USITC, with the quoted text
  • The lines considered and not applied, and why
  • Any origin, any entry date from 2025-01-01 to 2026-10-09
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Lines in this heading

The 39 statistical lines of heading 7307

Each code opens the free calculator for that line on 2026-10-09: base rate, every Chapter 99 line with its citations, and the duty in dollars.

  • 7307.11.00.30… › Of nonmalleable cast iron › For threaded pipe
  • 7307.11.00.45… › Other › For cast-iron soil pipe
  • 7307.11.00.60… › Other › Other
  • 7307.19.30.40… › Ductile fittings › Grooved-end fittings (including grooved couplings)
  • 7307.19.30.60… › Other › Threaded
  • 7307.19.30.70… › Other › With mechanical, push-on (rubber compression) or flanged joints attached
  • 7307.19.30.85… › Other › Other
  • 7307.19.90.30… › Other › Unions
  • 7307.19.90.40… › Other › Grooved-end fittings (including grooved couplings)
  • 7307.19.90.60… › Other › Threaded
  • 7307.19.90.80… › Other › Other
  • 7307.21.10.00… › Flanges › Not machined, not tooled and not otherwise processed after forging
  • 7307.21.50.00… › Flanges › Other
  • 7307.22.10.00… › Threaded elbows, bends and sleeves › Sleeves (couplings)
  • 7307.22.50.00… › Threaded elbows, bends and sleeves › Other
  • 7307.23.00.30… › Butt welding fittings › Not machined, not tooled and not otherwise processed after forming
  • 7307.23.00.90… › Butt welding fittings › Other
  • 7307.29.00.30… › Other › Nipples
  • 7307.29.00.90… › Other › Other
  • 7307.91.10.00… › Not machined, not tooled and not otherwise processed after forging › Of iron or nonalloy steel
  • 7307.91.30.00… › Not machined, not tooled and not otherwise processed after forging › Of alloy steel (except stainless…
  • 7307.91.50.10… › With an inside diameter of less than 360 mm › Of iron or nonalloy steel
  • 7307.91.50.30… › With an inside diameter of less than 360 mm › Of alloy steel (except stainless steel)
  • 7307.91.50.50… › With an inside diameter of 360 mm or more › Of iron or nonalloy steel
  • 7307.91.50.70… › With an inside diameter of 360 mm or more › Of alloy steel (except stainless steel)
  • 7307.92.30.10… › Sleeves (couplings) › Of iron or nonalloy steel
  • 7307.92.30.30… › Sleeves (couplings) › Of alloy steel (except stainless steel)
  • 7307.92.90.00… › Threaded elbows, bends and sleeves › Other
  • 7307.93.30.10… › Of iron or nonalloy steel › Not machined, not tooled and not otherwise processed after forging
  • 7307.93.30.40… › Of iron or nonalloy steel › Other
  • 7307.93.60.00… › With an inside diameter of less than 360 mm › Of alloy steel (except stainless steel)
  • 7307.93.90.10… › Of iron or nonalloy steel › Not machined, not tooled and not otherwise processed after forging
  • 7307.93.90.40… › Of iron or nonalloy steel › Other
  • 7307.93.90.60… › With an inside diameter of 360 mm or more › Of alloy steel (except stainless steel)
  • 7307.99.10.00… › Not machined, not tooled and not otherwise processed after forging › Of iron or nonalloy steel
  • 7307.99.30.00… › Not machined, not tooled and not otherwise processed after forging › Of alloy steel (except stainless…
  • 7307.99.50.15… › Of iron or nonalloy steel › Nipples
  • 7307.99.50.45… › Of iron or nonalloy steel › Other
  • 7307.99.50.60… › Other › Of alloy steel (except stainless steel)

Recent changes

Between 2025-10-09 and 2026-10-09: the Chapter 99 headings applied changed for all 5 main origins. Dated changes, with their sources: the change list and the Tariff Change Feed.

Scope

We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.