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    7306.19.51

    Of alloy steel

    This code covers alloy steel tubes and pipes specifically used as line pipe for oil or gas pipelines, categorized by outside diameter. It falls within Chapter 73 of the Harmonized Tariff Schedule and generally receives free duty treatment, though special rates may apply for items eligible for trade agreements or preference programs.

    Of alloy steel

    Detailed information for HTS Code 7306.19.51

    This tariff code falls within Chapter 73 of the Harmonized Tariff Schedule, which covers articles of iron or steel. Specifically, code 7306.19.51 refers to line pipe made of alloy steel, used for oil or gas pipelines, that isn't further specified elsewhere. This code has two subdivisions based on outside diameter: 7306.19.51.10 for pipe with a diameter not exceeding 114.3 mm, and 7306.19.51.50 for pipe exceeding that diameter; be sure to select the appropriate suffix based on the pipe’s dimensions.

    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 7306.19.51 and its subdivisions (7306.19.51.10 and 7306.19.51.50) is Free, meaning no duty is assessed on goods falling under this code. A Standard Trade Partner (NTR) rate also applies to the general duty. Special rates are not specified, but eligibility for FTA or preference programs could offer reduced or eliminated duties. All reported quantities must be in kilograms (kg). This means that imports under these codes, regardless of outside diameter, from most countries will enter duty-free, though preferential trade agreements could offer further benefits.

    Rate of Duty (Column 2): 10%

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    Code subdivisions

    7306.19.51.10

    Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: > Line pipe of a kind used for oil or gas pipelines: > Other: > Of alloy steel > With an outside diameter not exceeding 114.3 mm

    7306.19.51.50

    Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: > Line pipe of a kind used for oil or gas pipelines: > Other: > Of alloy steel > With an outside diameter exceeding 114.3 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

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    Last updated

    November 15, 2025

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