HS Codes
Harmonized System Code (HS) Lookup & Finder
Your HS codes determine your compliance, your admissibility, and which supply chain advantages you can capture. See how precision classification can protect your finances and unlock greater strategy.
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U.S. Harmonized Tariff Schedule
U.S. Tariff Rates
Heading / Subheading
Article Description
Unit of Quantity
General
Special
Line pipe of a kind used for oil or gas pipelines
Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm
Casing, tubing and drill pipe, of a kind used in drilling for oil or gas
Having an outside diameter not exceeding 168.3 mm
Having an outside diameter not exceeding 168.3 mm
Casing
Having an outside diameter less than 215.9 mm
Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
Having an outside diameter less than 215.9 mm
Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
Having an outside diameter not exceeding 114.3 mm
Casing
Of iron or nonalloy steel
Having an outside diameter less than 215.9 mm
Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
Having an outside diameter less than 215.9 mm
Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
Of other alloy steel
Having an outside diameter less than 215.9 mm
Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
Having an outside diameter less than 215.9 mm
Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
Tubing
Having an outside diameter not exceeding 114.3 mm
Having an outside diameter not exceeding 114.3 mm
Other, of circular cross section, of iron or nonalloy steel
Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
Other
Other
Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm
Having an outside diameter exceeding 114.3 mm but less than 190.5 mm:
Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
Having an outside diameter exceeding 406.4 mm
Other, of circular cross section, of stainless steel
Other
Other
Other
Other
Other, of circular cross section, of other alloy steel
Other
Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
Other
Other
Other
Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm
Having an outside diameter exceeding 114.3 mm but less than 190.5 mm:
Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
Having a wall thickness of 4 mm or more
Having a wall thickness of less than 4 mm:
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