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    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.

    Of iron or nonalloy steel

    Detailed information for HTS Code 7305.11.10

    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.

    ChapterChapter 73 - Articles of iron or steel
    SectionSection XV - Base Metals and Articles of Base Metal

    Duty snapshot

    Quick reference for the duty outcomes tied to this HTS line.

    General Duty

    Free

    Standard trade partners (NTR)

    Special Duty

    N/A

    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

    View HTS reference

    Chapter & section notes

    Chapter notes

    Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes CHAPTER 73 ARTICLES OF IRON OR STEEL XV 73-1 Notes 1. In this chapter the expression "cast iron" applies to products obtained by casting in which iron predominates by weight over each of the other elements and which do not comply with the chemical composition of steel as defined in Note 1(d) to chapter 72. 2. In this chapter the word "wire" means hot- or cold-formed products of any cross-sectional shape, of which no cross-sectional dimension exceeds 16 mm. Additional U.S. Notes 1. For the purposes of heading 7304 or 7306, the rate of duty "Free (C)" appearing in the "Special" subcolumn applies only to tubes and pipes with attached fittings, suitable for conducting gases or liquids. 2. For the purposes of subheading 7307.19.30, the expression "ductile fittings" refers to fittings which contain over 2.5 percent carbon and over 0.02 percent of magnesium or of magnesium and cerium, by weight. Statistical Note 1. For the purposes of statistical reporting numbers 7310.10.0005, 7310.29.0020 and 7310.29.0055, “refillable stainless steel kegs, whether or not pressurized” refers to cylindrical kegs for liquid beverages, each keg with a domed top and bottom and a single neck piece, designed for a coupler (valve) system and an extractor tube (spear) by which the keg can be cleaned, filled and dispense the liquid contents. Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes XV 73-2

    Section notes

    SECTION XV BASE METALS AND ARTICLES OF BASE METAL XV-1 Notes 1. This section does not cover: (a) Prepared paints, inks or other products with a basis of metallic flakes or powder (headings 3207 to 3210, 3212, 3213 or 3215); (b) Ferrocerium or other pyrophoric alloys (heading 3606); (c) Headgear or parts thereof of heading 6506 or 6507; (d) Umbrella frames or other articles of heading 6603; (e) Goods of

    Latest update

    Last updated

    November 15, 2025

    Revised every January & July

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