7305.31.60
Of alloy steel
This code covers large diameter, longitudinally welded tubes and pipes made of alloy steel with an external diameter exceeding 406.4 mm. Use this code for importing these specific steel pipes, which currently have a general duty rate of Free under standard trade agreements, as defined within Chapter 73 of the Harmonized Tariff Schedule.

Detailed information for HTS Code 7305.31.60
This tariff code falls within Chapter 73 of the Harmonized Tariff Schedule, which covers articles of iron or steel. Specifically, code 7305.31.60 refers to large diameter, welded tubes and pipes of alloy steel with an external diameter exceeding 406.4 mm. This code has two subdivisions: 7305.31.60.10 for tubes made of stainless steel, and 7305.31.60.90 for all other alloy steel compositions; choose the appropriate suffix based on the steel alloy used in the product.
| Chapter | Chapter 73 - Articles of iron or steel |
| Section | Section XV - Base Metals and Articles of Base Metal |
Duty snapshot
Quick reference for the duty outcomes tied to this HTS line.
Free
Standard trade partners (NTR)
N/A
Eligible FTA or preference programs
The general duty rate for HTS code 7305.31.60 and its subdivisions (7305.31.60.10 & 7305.31.60.90) is Free, applicable to imports from standard trade partners (NTR). Special rates are not specified, but may apply if the goods qualify for eligible FTA or preference programs. Reporting units are kilograms (kg). This means that imports meeting the criteria of qualifying FTA programs may be eligible for reduced or zero duty rates, while those from non-partner countries, or not meeting FTA requirements, will be subject to the free rate.
Rate of Duty (Column 2): 10%
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Code subdivisions
7305.31.60.10
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: > Other, welded: > Longitudinally welded: > Other: > Of alloy steel > Of stainless steel
7305.31.60.90
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: > Other, welded: > Longitudinally welded: > Other: > Of alloy steel > Other
Chapter & section notes
Chapter notes
Section notes
Latest update
Last updated
November 15, 2025
Revised every January & July
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