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    7305.12.10

    Of iron or nonalloy steel

    HTS code 7305.12.10 covers large diameter, longitudinally welded line pipe made of iron or nonalloy steel, specifically for oil or gas pipelines. This code is used for importing these types of pipes into the United States, and currently benefits from free trade duty treatment with standard trade partners or eligible FTA programs as outlined in Chapter 73.

    Of iron or nonalloy steel

    Detailed information for HTS Code 7305.12.10

    This product falls within Chapter 73, which covers articles of iron or steel, specifically addressing tubes and pipes with circular cross-sections exceeding 406.4 mm in external diameter, made of iron or nonalloy steel. The 7305.12.10 code covers line pipe used for oil or gas pipelines, welded longitudinally and constructed of iron or nonalloy steel. This code has two subdivisions based on external diameter: 7305.12.10.30 for pipes between 406.4 mm and 609.6 mm, and 7305.12.10.60 for those exceeding 609.6 mm; be sure to select the correct statistical suffix based on 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 rate of duty for HTS code 7305.12.10 and its subdivisions (7305.12.10.30 and 7305.12.10.60) is Free, applying to all imports meeting the code’s definition. This means no duty is assessed under standard trade rules. A special rate is not specified, but imports may qualify for preferential treatment under Eligible FTA or preference programs. Reporting units are kilograms (kg). Therefore, duty is assessed per kilogram of imported goods, with the potential for reduced or eliminated rates contingent on meeting the requirements of any applicable free trade agreement or preference program.

    Rate of Duty (Column 2): 5.50%

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    Code subdivisions

    7305.12.10.30

    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: > Other, longitudinally welded: > Of iron or nonalloy steel > With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm

    7305.12.10.60

    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: > Other, longitudinally 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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