Having a wall thickness of less than 1.65 mm

This code covers welded stainless steel tubes and pipes with a wall thickness of less than 1.65mm. Use this code when importing these specific items, noting they generally enter the U.S. duty-free as outlined in Chapter 73, but may be subject to specific rules regarding fittings or special preference programs.

Detailed information for HTS Code 7306.40.10

This tariff classification falls within Chapter 73, which covers articles of iron or steel. Specifically, the code 7306.40.10 covers welded pipes and tubes of circular cross-section made of stainless steel with a wall thickness less than 1.65 mm. Further distinctions are made based on nickel and molybdenum content, indicated by the statistical suffixes .10, .15, and .90 – choose the suffix that accurately reflects the composition of the specific stainless steel product being classified, with .10 for products containing over 1.5% but less than 5% molybdenum, .15 for other nickel-containing products, and .90 for all others. Remember to select the correct suffix to accurately report the specific composition of the item.

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.

General Duty

Free

Standard trade partners (NTR)

Special Duty

N/A

Eligible FTA or preference programs

The general duty rate for HTS code 7306.40.10 is Free, applying to all imports reported in kilograms. Special rates are not specified, but eligibility for FTA or preference programs may offer reduced or zero duty based on the country of origin and applicable trade agreements. This applies to all subdivisions – 7306.40.10.10, 7306.40.10.15, and 7306.40.10.90 – assuming they meet the requirements for any applicable FTA or preference program; otherwise, the general free rate applies. Standard trade partner (NTR) status is also indicated for the general duty.

Rate of Duty (Column 2): 36%

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Code subdivisions

7306.40.10.10

Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: > Other, welded, of circular cross section, of stainless steel: > Having a wall thickness of less than 1.65 mm > Containing more than 0.5 percent by weight of nickel: > Containing more than 1.5 percent but less than 5 percent by weight of molybdenum

7306.40.10.15

Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: > Other, welded, of circular cross section, of stainless steel: > Having a wall thickness of less than 1.65 mm > Containing more than 0.5 percent by weight of nickel: > Other

7306.40.10.90

Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: > Other, welded, of circular cross section, of stainless steel: > Having a wall thickness of less than 1.65 mm > Other

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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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