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7304 Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel

Harmonized Tariff Schedule · MFN rates · Chapter 73, Iron or steel articles

73037305

7304.11 Iron or steel (excluding cast iron); seamless, line pipe of a kind used for oil or gas pipelines, of stainless steel

  • 7304.11.00.20 Having an outside diameter not exceeding 114.3 mmFree
  • 7304.11.00.50 Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mmFree
  • 7304.11.00.80 Having an outside diameter exceeding 406.4 mmFree

7304.19 Iron or steel (excluding cast iron or stainless steel); seamless, line pipe of a kind used for oil or gas pipelines

  • Of iron or nonalloy steel
  • 7304.19.10.20 Having an outside diameter not exceeding 114.3 mmFree
  • 7304.19.10.30 Having an outside diameter exceeding 114.3 mm but less than 215.9 mmFree
  • Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm
  • 7304.19.10.45 Having a wall thickness less than 12.7 mmFree
  • 7304.19.10.60 Having a wall thickness of 12.7 mm or moreFree
  • 7304.19.10.80 Having an outside diameter exceeding 406.4 mmFree
  • Of other alloy steel
  • 7304.19.50.20 Having an outside diameter not exceeding 114.3 mmFree
  • 7304.19.50.50 Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mmFree
  • 7304.19.50.80 Having an outside diameter exceeding 406.4 mmFree

7304.22 Steel, stainless; seamless, drill pipe, of a kind used in drilling for oil or gas

  • Having an outside diameter not exceeding 168.3 mm
  • 7304.22.00.30 Having a wall thickness not exceeding 9.5 mmFree
  • 7304.22.00.45 Having a wall thickness exceeding 9.5 mmFree
  • 7304.22.00.60 Having an outside diameter exceeding 168.3 mmFree

7304.23 Iron or steel (excluding cast iron or stainless steel); seamless, drill pipe, of a kind used in drilling for oil or gas

  • 7304.23.30.00 Of iron or nonalloy steelFree
  • Of alloy steel
  • Having an outside diameter not exceeding 168.3 mm
  • 7304.23.60.30 Having a wall thickness not exceeding 9.5 mmFree
  • 7304.23.60.45 Having a wall thickness exceeding 9.5 mmFree
  • 7304.23.60.60 Having an outside diameter exceeding 168.3 mmFree

7304.24 Steel, stainless; seamless, casing and tubing, of a kind used in drilling for oil or gas

  • Casing
  • Threaded or coupled
  • Having an outside diameter less than 215.9 mm
  • 7304.24.30.10 Having a wall thickness less than 12.7 mmFree
  • 7304.24.30.20 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  • 7304.24.30.30 Having a wall thickness less than 12.7 mmFree
  • 7304.24.30.40 Having a wall thickness of 12.7 mm or moreFree
  • 7304.24.30.45 Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mmFree
  • 7304.24.30.80 Having an outside diameter exceeding 406.4 mmFree
  • Other
  • Having an outside diameter less than 215.9 mm
  • 7304.24.40.10 Having a wall thickness less than 12.7 mmFree
  • 7304.24.40.20 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  • 7304.24.40.30 Having a wall thickness less than 12.7 mmFree
  • 7304.24.40.40 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  • 7304.24.40.50 Having a wall thickness less than 12.7 mmFree
  • 7304.24.40.60 Having a wall thickness of 12.7 mm or moreFree
  • 7304.24.40.80 Having an outside diameter exceeding 406.4 mmFree
  • Tubing
  • Having an outside diameter not exceeding 114.3 mm
  • 7304.24.60.15 Having a wall thickness not exceeding 9.5 mmFree
  • 7304.24.60.30 Having a wall thickness exceeding 9.5 mmFree
  • 7304.24.60.45 Having an outside diameter exceeding 114.3 mm but less than 215.9 mmFree
  • 7304.24.60.60 Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mmFree
  • 7304.24.60.75 Having an outside diameter exceeding 406.4 mmFree

7304.29 Iron or steel (excluding cast iron or stainless steel); seamless, casing and tubing, of a kind used in drilling for oil or gas

  • Casing
  • Of iron or nonalloy steel
  • Threaded or coupled
  • Having an outside diameter less than 215.9 mm
  • 7304.29.10.10 Having a wall thickness less than 12.7 mmFree
  • 7304.29.10.20 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  • 7304.29.10.30 Having a wall thickness less than 12.7 mmFree
  • 7304.29.10.40 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  • 7304.29.10.50 Having a wall thickness less than 12.7 mmFree
  • 7304.29.10.60 Having a wall thickness of 12.7 mm or moreFree
  • 7304.29.10.80 Having an outside diameter exceeding 406.4 mmFree
  • Other
  • Having an outside diameter less than 215.9 mm
  • 7304.29.20.10 Having a wall thickness less than 12.7 mmFree
  • 7304.29.20.20 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  • 7304.29.20.30 Having a wall thickness less than 12.7 mmFree
  • 7304.29.20.40 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  • 7304.29.20.50 Having a wall thickness less than 12.7 mmFree
  • 7304.29.20.60 Having a wall thickness of 12.7 mm or moreFree
  • 7304.29.20.80 Having an outside diameter exceeding 406.4 mmFree
  • Of other alloy steel
  • Threaded or coupled
  • Having an outside diameter less than 215.9 mm
  • 7304.29.31.10 Having a wall thickness less than 12.7 mmFree
  • 7304.29.31.20 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  • 7304.29.31.30 Having a wall thickness less than 12.7 mmFree
  • 7304.29.31.40 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  • 7304.29.31.50 Having a wall thickness less than 12.7 mmFree
  • 7304.29.31.60 Having a wall thickness of 12.7 mm or moreFree
  • 7304.29.31.80 Having an outside diameter exceeding 406.4 mmFree
  • Other
  • Having an outside diameter less than 215.9 mm
  • 7304.29.41.10 Having a wall thickness less than 12.7 mmFree
  • 7304.29.41.20 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  • 7304.29.41.30 Having a wall thickness less than 12.7 mmFree
  • 7304.29.41.40 Having a wall thickness of 12.7 mm or moreFree
  • Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  • 7304.29.41.50 Having a wall thickness less than 12.7 mmFree
  • 7304.29.41.60 Having a wall thickness of 12.7 mm or moreFree
  • 7304.29.41.80 Having an outside diameter exceeding 406.4 mmFree
  • Tubing
  • Of iron or nonalloy steel
  • Having an outside diameter not exceeding 114.3 mm
  • 7304.29.50.15 Having a wall thickness not exceeding 9.5 mmFree
  • 7304.29.50.30 Having a wall thickness exceeding 9.5 mmFree
  • 7304.29.50.45 Having an outside diameter exceeding 114.3 mm but less than 215.9 mmFree
  • 7304.29.50.60 Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mmFree
  • 7304.29.50.75 Having an outside diameter exceeding 406.4 mmFree
  • Of other alloy steel
  • Having an outside diameter not exceeding 114.3 mm
  • 7304.29.61.15 Having a wall thickness not exceeding 9.5 mmFree
  • 7304.29.61.30 Having a wall thickness exceeding 9.5 mmFree
  • 7304.29.61.45 Having an outside diameter exceeding 114.3 mm but less than 215.9 mmFree
  • 7304.29.61.60 Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mmFree
  • 7304.29.61.75 Having an outside diameter exceeding 406.4 mmFree

7304.31 Iron or non-alloy steel (excluding cast iron); seamless, cold-drawn or cold-rolled, tubes, pipes and hollow profiles of circular cross-section

  • 7304.31.30.00 Hollow barsFree
  • Other
  • 7304.31.60.10 Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heatersFree
  • 7304.31.60.50 OtherFree

7304.39 Iron or non-alloy steel (excluding cast iron); seamless, (excluding cold-drawn or cold-rolled), tubes, pipes and hollow profiles of circular cross-section

  • Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
  • 7304.39.00.02 Having an outside diameter less than 38.1 mmFree
  • 7304.39.00.04 Having an outside diameter of 38.1 mm or more but less than 190.5 mmFree
  • 7304.39.00.06 Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mmFree
  • 7304.39.00.08 Having an outside diameter exceeding 285.8 mmFree
  • Other
  • 7304.39.00.16 Galvanized, having an outside diameter not exceeding 114.3 mmFree
  • Other
  • 7304.39.00.20 Having an outside diameter less than 38.1 mmFree
  • Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm
  • 7304.39.00.24 Having a wall thickness less than 6.4 mmFree
  • 7304.39.00.28 Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mmFree
  • 7304.39.00.32 Having a wall thickness exceeding 12.7 mmFree
  • Having an outside diameter exceeding 114.3 mm but less than 190.5 mm
  • 7304.39.00.36 Having a wall thickness less than 12.7 mmFree
  • 7304.39.00.40 Having a wall thickness of 12.7 mm or more but less than 19 mmFree
  • 7304.39.00.44 Having a wall thickness of 19 mm or moreFree
  • Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
  • 7304.39.00.48 Having a wall thickness less than 12.7 mmFree
  • 7304.39.00.52 Having a wall thickness of 12.7 mm or more but less than 19 mmFree
  • 7304.39.00.56 Having a wall thickness of 19 mm or moreFree
  • Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  • 7304.39.00.62 Having a wall thickness less than 12.7 mmFree
  • 7304.39.00.68 Having a wall thickness of 12.7 mm or more but less than 19 mmFree
  • 7304.39.00.72 Having a wall thickness of 19 mm or moreFree
  • Having an outside diameter exceeding 406.4 mm
  • 7304.39.00.76 Having a wall thickness less than 19 mmFree
  • 7304.39.00.80 Having a wall thickness of 19 mm or moreFree

7304.41 Steel, stainless; cold-drawn or cold-rolled (cold-reduced), tubes and pipes of circular cross-section

  • Of an external diameter of less than 19 mm
  • 7304.41.30.05 Of high-nickel alloy steelFree
  • Other
  • 7304.41.30.15 Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heatersFree
  • 7304.41.30.45 OtherFree
  • Other
  • 7304.41.60.05 Of high-nickel alloy steelFree
  • Other
  • 7304.41.60.15 Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heatersFree
  • 7304.41.60.45 OtherFree

7304.49 Steel, stainless; (excluding cold-drawn or cold-rolled), tubes pipes and hollow profiles of circular cross-section

  • 7304.49.00.05 Of high-nickel alloy steelFree
  • Other
  • 7304.49.00.15 Hollow barsFree
  • Other
  • 7304.49.00.45 Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heatersFree
  • 7304.49.00.60 OtherFree

7304.51 Steel, alloy (not stainless steel); seamless, cold-drawn or cold-rolled (cold-reduced), tubes, pipes and hollow profiles of circular cross-section

  • 7304.51.10.00 Suitable for use in the manufacture of ball or roller bearingsFree
  • Other
  • 7304.51.50.05 Of high-nickel alloy steelFree
  • Other
  • Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
  • 7304.51.50.15 Of heat-resisting steelFree
  • 7304.51.50.45 OtherFree
  • 7304.51.50.60 OtherFree

7304.59 Steel, alloy (not stainless steel); (excluding cold-drawn or cold-rolled), tubes, pipes and hollow profiles of circular cross-section

  • 7304.59.10.00 Suitable for use in the manufacture of ball or roller bearingsFree
  • Other
  • Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
  • 7304.59.20.30 Of heat-resisting steelFree
  • Other
  • 7304.59.20.40 Having an outside diameter less than 38.1 mmFree
  • 7304.59.20.45 Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mmFree
  • 7304.59.20.55 Having an outside diameter exceeding 114.3 mm but less than 190.5 mmFree
  • 7304.59.20.60 Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mmFree
  • 7304.59.20.70 Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mmFree
  • 7304.59.20.80 Having an outside diameter exceeding 406.4 mmFree
  • Other
  • 7304.59.60.00 Of heat-resisting steelFree
  • Other
  • 7304.59.80.10 Having an outside diameter less than 38.1 mmFree
  • Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm
  • 7304.59.80.15 Having a wall thickness less than 6.4 mmFree
  • 7304.59.80.20 Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mmFree
  • 7304.59.80.25 Having a wall thickness exceeding 12.7 mmFree
  • Having an outside diameter exceeding 114.3 mm but less than 190.5 mm
  • 7304.59.80.30 Having a wall thickness less than 12.7 mmFree
  • 7304.59.80.35 Having a wall thickness of 12.7 mm or more but less than 19 mmFree
  • 7304.59.80.40 Having a wall thickness of 19 mm or moreFree
  • Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
  • 7304.59.80.45 Having a wall thickness less than 12.7 mmFree
  • 7304.59.80.50 Having a wall thickness of 12.7 mm or more but less than 19 mmFree
  • 7304.59.80.55 Having a wall thickness of 19 mm or moreFree
  • Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  • 7304.59.80.60 Having a wall thickness less than 12.7 mmFree
  • 7304.59.80.65 Having a wall thickness of 12.7 mm or more but less than 19 mmFree
  • 7304.59.80.70 Having a wall thickness of 19 mm or moreFree
  • 7304.59.80.80 Having an outside diameter exceeding 406.4 mmFree

7304.90 Iron or steel (excluding cast iron); seamless, tubes, pipes and hollow profiles, seamless, n.e.c. in heading no. 7304

  • Having a wall thickness of 4 mm or more
  • 7304.90.10.00 Of iron or nonalloy steelFree
  • 7304.90.30.00 Of alloy steelFree
  • Having a wall thickness of less than 4 mm
  • 7304.90.50.00 Of iron or nonalloy steelFree
  • 7304.90.70.00 Of alloy steelFree

MFN rates from the Harmonized Tariff Schedule as published, without preferences, quotas, trade remedies or additional measures. Inferred works those out for each product and origin. Whether a product from this heading qualifies for a lower rate depends on each agreement's product-specific rule for it, under the agreements we cover.

Every line in chapter 73