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    7306.29.10

    Threaded or coupled

    This code covers threaded or coupled casing and tubing of iron or nonalloy steel used specifically in oil or gas drilling. It’s found within Chapter 73, which broadly covers articles of iron or steel, and currently benefits from free duty under general trade rules with standard trade partners, or potentially preferential treatment through eligible free trade agreements.

    Threaded or coupled

    Detailed information for HTS Code 7306.29.10

    This duty applies to articles of iron or steel within Chapter 73, specifically to tubes, pipes, and hollow profiles used in oil or gas drilling. The 7306.29.10 code covers casing made of iron or non-alloy steel that is threaded or coupled. There are two statistical subdivisions: 7306.29.10.30 is for casing imported *with* couplings, while 7306.29.10.90 covers all other threaded or coupled casing without pre-attached couplings; select the appropriate suffix based on whether the product arrives with couplings already attached.

    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 7306.29.10 is Free, meaning no duty is assessed on imports from standard trade partners (NTR). Special rates are not specified, but eligibility for Free rates exists under eligible FTA or preference programs. This applies to both subdivisions: 7306.29.10.30 (Imported with coupling) and 7306.29.10.90 (Other). All imports under this HTS code and its subdivisions must be reported in kilograms (kg).

    Rate of Duty (Column 2): 20%

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    Code subdivisions

    7306.29.10.30

    Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: > Casing and tubing of a kind used in drilling for oil or gas: > Other: > Casing: > Of iron or nonalloy steel: > Threaded or coupled > Imported with coupling

    7306.29.10.90

    Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: > Casing and tubing of a kind used in drilling for oil or gas: > Other: > Casing: > Of iron or nonalloy steel: > Threaded or coupled > Other

    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

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    Last updated

    November 15, 2025

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