HEADING 7306
Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel:
Part of Chapter 73 — Articles of Iron or Steel, Section XV.
Subheadings and tariff lines
7306D01Line pipe of a kind used for oil or gas pipelines:
7306.11.00Welded, of stainless steel
7306.11.00.10With an outside diameter not exceeding 114.3 mm
7306.11.00.50With an outside diameter exceeding 114.3 mm
7306.19Other:
7306.19.10Of iron or nonalloy steel
7306.19.10.10With an outside diameter not exceeding 114.3 mm
7306.19.10.50With an outside diameter exceeding 114.3 mm
7306.19.51Of alloy steel
7306.19.51.10With an outside diameter not exceeding 114.3 mm
7306.19.51.50With an outside diameter exceeding 114.3 mm
7306D02Casing and tubing of a kind used in drilling for oil or gas:
7306.21Welded of stainless steel:
7306.21D03Casing:
7306.21.30.00Threaded or coupled
7306.21.40.00Other
7306.21.80Tubing
7306.21.80.10Imported with coupling
7306.21.80.50Other
7306.29Other:
7306.29D04Casing:
7306.29D05Of iron or nonalloy steel:
7306.29.10Threaded or coupled
7306.29.10.30Imported with coupling
7306.29.10.90Other
7306.29.20.00Other
7306.29D06Other:
7306.29.31.00Threaded or coupled
7306.29.41.00Other
7306.29D07Tubing:
7306.29.60Of iron or nonalloy steel
7306.29.60.10Imported with coupling
7306.29.60.50Other
7306.29.81Other
7306.29.81.10Imported with coupling
7306.29.81.50Other
7306.30Other, welded, of circular cross section, of iron or nonalloy steel:
7306.30.10Having a wall thickness of less than 1.65 mm
7306.30.10.10Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit
7306.30.10.90Other
7306.30D08Having a wall thickness of 1.65 mm or more:
7306.30.30.00Tapered steel pipes and tubes principally used as parts of illuminating articles
7306.30.50Other
7306.30.50.10Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn
7306.30.50.15Other, cold-drawn
7306.30.50.20Other, cold-rolled (cold-reduced) with a wall thickness not exceeding 2.54 mm
7306.30.50D09Other:
7306.30.50.20D10With an outside diameter not exceeding 114.3 mm:
7306.30.50.20D11Galvanized:
7306.30.50.20D12Imported with coupling:
7306.30.50.26With an outside diameter not exceeding 50.8 mm
7306.30.50.27With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm
7306.30.50.28Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit
7306.30.50.20D13Other:
7306.30.50.31With an outside diameter not exceeding 50.8 mm
7306.30.50.33With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm
7306.30.50.20D14Other:
7306.30.50.35Tube and pipe hollows for redrawing
7306.30.50.20D15Imported with coupling:
7306.30.50.41With an outside diameter not exceeding 50.8 mm
7306.30.50.43With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm
7306.30.50.20D16Other:
7306.30.50.56With an outside diameter not exceeding 50.8 mm
7306.30.50.57With an outside diameter exceeding 50.8 mm but not exceeding 114.3 mm
7306.30.50.20D17With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm:
7306.30.50.85Galvanized
7306.30.50.90Other
7306.40Other, welded, of circular cross section, of stainless steel:
7306.40.10Having a wall thickness of less than 1.65 mm
7306.40.10D18Containing more than 0.5 percent by weight of nickel:
7306.40.10.10Containing more than 1.5 percent but less than 5 percent by weight of molybdenum
7306.40.10.15Other
7306.40.10.90Other
7306.40.50Having a wall thickness of 1.65 mm or more
7306.40.50.05Of high-nickel alloy steel
7306.40.50D19Other:
7306.40.50.15Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn
7306.40.50.05D20Other, cold-drawn or cold-rolled (cold- reduced):
7306.40.50.40Containing more than 0.5 percent but less than 24 percent by weight of nickel
7306.40.50.15D21Other:
7306.40.50.42Containing less than 15 percent by weight of chromium
7306.40.50.44Other
7306.40.50.05D22Other:
7306.40.50.15D23With an outside diameter not exceeding 114.3 mm:
7306.40.50.40D24Containing more than 0.5 percent but less than 24 percent by weight of nickel:
7306.40.50.62Containing more than 1.5 percent but less than 5 percent by weight of molybdenum
7306.40.50.64Other
7306.40.50.80Other
7306.40.50.15D25With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm:
7306.40.50.85Containing more than 0.5 percent but less than 24 percent by weight of nickel
7306.40.50.90Other
7306.50Other, welded, of circular cross section, of other alloy steel:
7306.50.10.00Having a wall thickness of less than 1.65 mm
7306.50D26Having a wall thickness of 1.65 mm or more:
7306.50.30.00Tapered pipes and tubes of steel principally used as parts of illuminating articles
7306.50.50Other
7306.50.50.10Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn
7306.50.50.30Other, cold-drawn or cold-rolled (cold- reduced)
7306.50.50D27Other:
7306.50.50.50With an outside diameter not exceeding 114.3 mm
7306.50.50.70With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm
7306D28Other, welded, of noncircular cross section:
7306.61Of square or rectangular cross section:
7306.61D29Having a wall thickness of 4 mm or more:
7306.61.10.00Of iron or nonalloy steel
7306.61.30.00Of alloy steel
7306.61D30Having a wall thickness of less than 4 mm:
7306.61.50.00Of iron or nonalloy steel
7306.61.70Of alloy steel
7306.61.70.30Of stainless steel
7306.61.70.60Other
7306.69Of other noncircular cross section:
7306.69D31Having a wall thickness of 4 mm or more:
7306.69.10.00Of iron or nonalloy steel
7306.69.30.00Of alloy steel
7306.69D32Having a wall thickness of less than 4 mm:
7306.69.50.00Of iron or nonalloy steel
7306.69.70Of alloy steel
7306.69.70.30Of stainless steel
7306.69.70.60Other
7306.90Other:
7306.90.10.00Of iron or nonalloy steel
7306.90.50.00Of alloy steel
Recent CBP rulings on heading 7306
N360469
April 29, 2026
The tariff classification of alloy steel pipes from South Korea
N360449
April 28, 2026
The tariff classification of welded tubes from Vietnam
N357431
January 26, 2026
The tariff classification of stainless steel pipes from India
N356816
January 7, 2026
The tariff classification of steel automotive components from Canada
N354110
October 15, 2025
The tariff classification of stainless steel tubes from India
H313939
September 8, 2025
Affirmation of New York Ruling Letter (NY) N310162; Classification of steel tubes for use in radiant infrared heaters
N351783
August 25, 2025
The tariff classification of components of a heat exchanger sub-assembly from Canada
N351257
August 4, 2025
The tariff classification of stainless steel tubes from China
N344700
January 13, 2025
The tariff classification and applicability of 9802.00.50 to steel tubing exported from the United States (U.S.), sent to Canada for additional processing, and returned to the U.S.
N343335
November 6, 2024
The tariff classification of column pipes from Qatar
N341638
August 15, 2024
The tariff classification of welded tubes from Spain, China, India, Thailand, Vietnam, or Turkey
H316380
January 19, 2023
Application for Further Review of Protest No. 2704-20-141406; Classification of Torque Beams
Classifying products under 7306?
TariffLens picks the right 10-digit code with GRI reasoning and cited rulings.
Book a demo →