7306.40.50
Having a wall thickness of 1.65 mm or more
This code covers stainless steel tubes and pipes with a wall thickness of 1.65 mm or more, specifically welded and circular. Use this code when importing these products to determine the appropriate duty treatment—generally free, but potentially subject to standard trade partner or FTA rules—as positioned within Chapter 73 of the Harmonized Tariff Schedule.
Detailed information for HTS Code 7306.40.50
This tariff code falls within Chapter 73 of the Harmonized Tariff Schedule, which covers articles of iron or steel. Specifically, code 7306.40.50 covers welded stainless steel tubes and pipes with a wall thickness of 1.65 mm or more. Numerous subdivisions exist within this code, each further defined by alloy composition, manufacturing process (like cold-drawn or cold-rolled), outside diameter, and specific intended use, such as for boilers or heat exchangers. When classifying under this code, carefully review the detailed characteristics of the product to select the correct statistical suffix that corresponds to its precise composition, dimensions, and application.
| 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.
Free
Standard trade partners (NTR)
N/A
Eligible FTA or preference programs
The general duty rate for HTS code 7306.40.50 and all its subdivisions is Free, meaning no duty is assessed for standard trade partners. A special rate is not specified, but eligibility for potential Free Trade Agreement (FTA) or preference programs may exist. These special rates, if applicable, would supersede the general rate. All quantities must be reported in kilograms (kg). The various subdivisions (7306.40.50.05 through 7306.40.50.90) all fall under the same general and special rate structure; however, specific FTA eligibility may depend on the product characteristics detailed within each subdivision.
Rate of Duty (Column 2): 11%
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Code subdivisions
7306.40.50.05
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 1.65 mm or more > Of high-nickel alloy steel
7306.40.50.15
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 1.65 mm or more > Other: > Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn
7306.40.50.40
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 1.65 mm or more > Other: > Other, cold-drawn or cold-rolled (cold- reduced): > Containing more than 0.5 percent but less than 24 percent by weight of nickel
7306.40.50.42
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 1.65 mm or more > Other: > Other, cold-drawn or cold-rolled (cold- reduced): > Other: > Containing less than 15 percent by weight of chromium
7306.40.50.44
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 1.65 mm or more > Other: > Other, cold-drawn or cold-rolled (cold- reduced): > Other: > Other
7306.40.50.62
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 1.65 mm or more > Other: > Other: > With an outside diameter not exceeding 114.3 mm: > Containing more than 0.5 percent but less than 24 percent by weight of nickel: > Containing more than 1.5 percent but less than 5 percent by weight of molybdenum
7306.40.50.64
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 1.65 mm or more > Other: > Other: > With an outside diameter not exceeding 114.3 mm: > Containing more than 0.5 percent but less than 24 percent by weight of nickel: > Other
7306.40.50.80
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 1.65 mm or more > Other: > Other: > With an outside diameter not exceeding 114.3 mm: > Other
7306.40.50.85
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 1.65 mm or more > Other: > Other: > With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm: > Containing more than 0.5 percent but less than 24 percent by weight of nickel
7306.40.50.90
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 1.65 mm or more > Other: > Other: > With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm: > Other
Chapter & section notes
Chapter notes
Section notes
Latest update
Last updated
November 15, 2025
Revised every January & July
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