7305.90

Other:

Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel

Heading: 7305 Chapter: 73 As of August 15, 2026

Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.

Duty rates

No active duty rates published for this code.

The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.

Trade measures (Chapter 99)

No active Chapter 99 measures are linked to this code.

Rate-change history

What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.

  1. SCOPE_EXPANSION Proclamation April 2, 2026 - Combined Metals

    Section 232 steel scope expanded: 523 HTS codes added under combined-metals framework

    See the change →
  2. NEW_PROGRAM Proclamation April 2, 2026 - Combined Metals

    Combined Section 232 metals framework introduced — 16 new Chapter 99 codes (9903.82.02–17)

    See the change →
  3. NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)

    Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026

    See the change →

Related CBP rulings

N345836 February 28, 2025

The tariff classification and country of origin of bulkhead assemblies

The tariff classification and country of origin of bulkhead assemblies

N343418 November 15, 2024

A country of origin determination for purposes of eligibility under USMCA, for purposes of applicability of Trade Remedy Section 301, and for marking purposes of flanges and fittings from China, Italy, and India

A country of origin determination for purposes of eligibility under USMCA, for purposes of applicability of Trade Remedy Section 301, and for marking purposes of flanges and fittings from China, Italy, and India

N340896 July 17, 2024

The tariff classification of pipes for pipe-in-pipe assembly from Germany

The products to be imported are identified as 36% Nickel Alloy (Invar®) pipes for use in pipe-in-pipe (PIP) assemblies in a liquefied natural gas (LNG) facility. According to your submission, these cold-rolled, pickled, longitudinally welde

N335549 October 17, 2023

The tariff classification of nickel alloy pipes from Germany

The products to be imported are identified as 36% Nickel Alloy (Invar®) pipes for use in pipe-in-pipe (PIP) assemblies in a liquefied natural gas (LNG) facility. According to your submission, these cold-rolled, pickled, longitudinally welde

N333152 June 14, 2023

The tariff classification of alloy steel line pipe from Germany

The product under consideration is identified as 36%Ni-64%Fe alloy (Invar®) line pipe used to transport liquid natural gas (LNG). According to your submission, this alloy steel pipe is cold-rolled from plate and then longitudinally welded.

N310862 April 16, 2020

The tariff classification of slurry pipes from the United Arab Emirates

The products to be imported are identified as slurry pipes. These longitudinally submerged arc welded steel pipes will transfer slurry from an offshore dredge site to the shoreline or to a reclamation area or beach.

H269853 February 19, 2019

Modification of NY N047164; classification of refinery modules

The articles at issue in NY N047164 consist of three types of prefabricated, interconnecting modules designed for installation in a pre-existing oil refinery complex. NY N047164 was issued in response to your letter of October 23, 2008, in

N261721 March 11, 2015

The tariff classification of Submerged Arc Welded Longitudinal Line Pipe from China

It is stated that the pipe is produced in China and shipped to Canada. You also state that the intended use for the product in the U.S. is as structural surplus pipe. Subsequent information submitted indicated that there is no manufacturing

N040021 October 31, 2008

The tariff classification of steel pipe from Thailand.

The products to be imported are black alloy steel pipes meeting ASTM A53 and described as Type E (electric resistance welded), Grades A and B. These Schedule 40 pipes are available in a variety of sizes with outside diameters ranging from 2

N004773 January 19, 2007

The tariff classification of steel dredge pipes from China.

The products to be imported are Grade 1035 carbon steel dredge pipes which have been longitudinally submerged arc welded. Made to American Petroleum Institute (API) Spec 5L, Grade X65, these line pipes have an external diameter of 30.75 inc

563205 June 28, 2006

Protest and Application for Further Review 3401-04-100023; Steel Safeguard Measures; Subheading 9903.73.85, HTSUS; Subheading 7305.31.40, HTSUS.

The case under consideration pertains to certain steel pipe that was entered into the United States at the U.S. Port of Portal in North Dakota on November 10, 2003. The entry was liquidated on September 24, 2004, and the above-referenced Pr

966408 July 22, 2003

Nonalloy Steel Pipes for Use in Offshore Oil and Gas Production Platform; NY I89073 Affirmed

and legal arguments during a teleconference held on July 16, 2003, at your request. These were confirmed in a facsimile transmittal, dated July 22, 2003. FACTS: The merchandise was described in NY I89073 as nonalloy steel pipes of varying d

Other codes in heading 7305

View all codes in heading 7305 →

Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 7305.90 from each major US trading partner.

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