Other

This code covers miscellaneous tube or pipe fittings made of iron or steel. It’s used for importing these fittings, with a general duty of 4.30% unless the goods qualify for free trade agreements with countries like Australia or Japan, as detailed in the duty information and chapter notes.

Detailed information for HTS Code 7307.99.50

This tariff code falls within Chapter 73 of the Harmonized Tariff Schedule, which covers articles of iron or steel. Code 7307.99.50 specifically covers other tube or pipe fittings, made of iron or steel, not elsewhere specified. This code has subdivisions based on material – 7307.99.50.15 for nipples of iron or non-alloy steel, 7307.99.50.45 for other fittings of iron or non-alloy steel, and 7307.99.50.60 for fittings of alloy steel (excluding stainless steel); choose the correct suffix based on the specific material composition of the fitting.

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

4.30%

Standard trade partners (NTR)

Special Duty

Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG)

Eligible FTA or preference programs

The general duty rate for HTS code 7307.99.50 and its subdivisions (7307.99.50.15, 7307.99.50.45, 7307.99.50.60) is 4.30%, applicable to goods originating from countries without specific trade agreements. However, a duty rate of Free (A, AU, B, BH, CL, CO, D, E, IL, JO, JP, KR, MA, OM, P, PA, PE, S, SG) applies to goods originating from countries eligible for Free Trade Agreements or preference programs as indicated, and these rates would supersede the general rate. All quantities must be reported in kilograms (kg). Section information is not specified.

Rate of Duty (Column 2): 45%

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Code subdivisions

7307.99.50.15

Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: > Other: > Other: > Other > Of iron or nonalloy steel: > Nipples

7307.99.50.45

Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: > Other: > Other: > Other > Of iron or nonalloy steel: > Other

7307.99.50.60

Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: > Other: > Other: > Other > Of alloy steel (except stainless steel)

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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