7305.11.10
Of iron or nonalloy steel
This code covers large diameter, longitudinally submerged arc welded line pipe made of iron or nonalloy steel, specifically for oil or gas pipelines. Use this code when importing these types of pipes, as the general duty is free, but may be subject to standard trade partner or eligible FTA/preference program rules as outlined in Chapter 73.

HTS media
This product falls within Chapter 73 of the Harmonized Tariff Schedule, which covers articles of iron or steel. Specifically, this code 7305.11.10 covers large diameter, circular tubes and pipes made of iron or non-alloy steel, designed as line pipe for oil or gas pipelines and welded using the longitudinally submerged arc method. There are two subdivisions, 7305.11.10.30 for pipes with an outside diameter between 406.4 mm and 609.6 mm, and 7305.11.10.60 for pipes exceeding 609.6 mm, so choose the statistical suffix that corresponds to the pipe’s external diameter.
| Chapter | Chapter 73: Articles of iron or steel |
| Section | Section XV: Base Metals and Articles of Base Metal |
Duty Snapshot
Quick view of the available duty information for this HTS code.
Free
Standard trade partners (NTR)
Not available
Eligible FTA or preference programs
The general duty rate for HTS code 7305.11.10 and its subdivisions (7305.11.10.30 & 7305.11.10.60) is Free, applying to imports from standard trade partners (NTR). Special rates are not specified, but may be available under eligible FTA or preference programs. All imports under this code and its subdivisions must be reported in kilograms (kg). This means goods qualifying for a specified FTA may enter at a reduced or zero duty rate, while those from non-partner countries will be subject to the standard free rate.
Rate of Duty (Column 2): 5.50%
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Code Subdivisions
7305.11.10.30
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: > Line pipe of a kind used for oil or gas pipelines: > Longitudinally submerged arc welded: > Of iron or nonalloy steel > With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm
7305.11.10.60
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: > Line pipe of a kind used for oil or gas pipelines: > Longitudinally submerged arc welded: > Of iron or nonalloy steel > With an external diameter exceeding 609.6 mm
Chapter & Section Notes
Chapter Notes
Section Notes
Latest update
Last updated
November 15, 2025
Revised every January & July
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