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Freight Classes & Shipping Codes

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

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Code	Description
	Line pipe of a kind used for oil or gas pipelines:
7304.11.00	└─ Of stainless steel
7304.11.00.20	└─ Having an outside diameter not exceeding 114.3 mm
7304.11.00.50	└─ Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm
7304.11.00.80	└─ Having an outside diameter exceeding 406.4 mm
7304.19	└─ Other:
	└─ Of iron or nonalloy steel
7304.19.10.20	└─ Having an outside diameter not exceeding 114.3 mm
7304.19.10.30	└─ Having an outside diameter exceeding 114.3 mm but less than 215.9 mm
	└─ 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 mm
7304.19.10.60	└─ Having a wall thickness of 12.7 mm or more
7304.19.10.80	└─ Having an outside diameter exceeding 406.4 mm
	└─ Of other alloy steel
7304.19.50.20	└─ Having an outside diameter not exceeding 114.3 mm
7304.19.50.50	└─ Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm
7304.19.50.80	└─ Having an outside diameter exceeding 406.4 mm
	Casing, tubing and drill pipe, of a kind used in drilling for oil or gas:
7304.22.00	└─ Drill pipe of stainless steel
	└─ Having an outside diameter not exceeding 168.3 mm:
7304.22.00.30	└─ Having a wall thickness not exceeding 9.5 mm
7304.22.00.45	└─ Having a wall thickness exceeding 9.5 mm
7304.22.00.60	└─ Having an outside diameter exceeding 168.3 mm
7304.23	└─ Other drill pipe:
7304.23.30.00	└─ Of iron or nonalloy steel
	└─ Of alloy steel
	└─ Having an outside diameter not exceeding 168.3 mm:
7304.23.60.30	└─ Having a wall thickness not exceeding 9.5 mm
7304.23.60.45	└─ Having a wall thickness exceeding 9.5 mm
7304.23.60.60	└─ Having an outside diameter exceeding 168.3 mm
7304.24	└─ Other, of stainless steel:
	└─ 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 mm
7304.24.30.20	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.24.30.40	└─ Having a wall thickness of 12.7 mm or more
7304.24.30.45	└─ Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
7304.24.30.80	└─ Having an outside diameter exceeding 406.4 mm
	└─ Other
	└─ Having an outside diameter less than 215.9 mm:
7304.24.40.10	└─ Having a wall thickness less than 12.7 mm
7304.24.40.20	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.24.40.40	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.24.40.60	└─ Having a wall thickness of 12.7 mm or more
7304.24.40.80	└─ Having an outside diameter exceeding 406.4 mm
	└─ Tubing
	└─ Having an outside diameter not exceeding 114.3 mm:
7304.24.60.15	└─ Having a wall thickness not exceeding 9.5 mm
7304.24.60.30	└─ Having a wall thickness exceeding 9.5 mm
7304.24.60.45	└─ Having an outside diameter exceeding 114.3 mm but less than 215.9 mm
7304.24.60.60	└─ Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm
7304.24.60.75	└─ Having an outside diameter exceeding 406.4 mm
7304.29	└─ Other:
	└─ 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 mm
7304.29.10.20	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.29.10.40	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.29.10.60	└─ Having a wall thickness of 12.7 mm or more
7304.29.10.80	└─ Having an outside diameter exceeding 406.4 mm
	└─ Other
	└─ Having an outside diameter less than 215.9 mm:
7304.29.20.10	└─ Having a wall thickness less than 12.7 mm
7304.29.20.20	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.29.20.40	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.29.20.60	└─ Having a wall thickness of 12.7 mm or more
7304.29.20.80	└─ Having an outside diameter exceeding 406.4 mm
	└─ 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 mm
7304.29.31.20	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.29.31.40	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.29.31.60	└─ Having a wall thickness of 12.7 mm or more
7304.29.31.80	└─ Having an outside diameter exceeding 406.4 mm
	└─ Other
	└─ Having an outside diameter less than 215.9 mm:
7304.29.41.10	└─ Having a wall thickness less than 12.7 mm
7304.29.41.20	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.29.41.40	└─ Having a wall thickness of 12.7 mm or more
	└─ 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 mm
7304.29.41.60	└─ Having a wall thickness of 12.7 mm or more
7304.29.41.80	└─ Having an outside diameter exceeding 406.4 mm
	└─ 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 mm
7304.29.50.30	└─ Having a wall thickness exceeding 9.5 mm
7304.29.50.45	└─ Having an outside diameter exceeding 114.3 mm but less than 215.9 mm
7304.29.50.60	└─ Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm
7304.29.50.75	└─ Having an outside diameter exceeding 406.4 mm
	└─ 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 mm
7304.29.61.30	└─ Having a wall thickness exceeding 9.5 mm
7304.29.61.45	└─ Having an outside diameter exceeding 114.3 mm but less than 215.9 mm
7304.29.61.60	└─ Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm
7304.29.61.75	└─ Having an outside diameter exceeding 406.4 mm
	Other, of circular cross section, of iron or nonalloy steel:
7304.31	└─ Cold-drawn or cold-rolled (cold-reduced):
7304.31.30.00	└─ Hollow bars
	└─ Other
7304.31.60.10	└─ Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
7304.31.60.50	└─ Other
7304.39.00	└─ Other
	└─ 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 mm
7304.39.00.04	└─ Having an outside diameter of 38.1 mm or more but less than 190.5 mm
7304.39.00.06	└─ Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
7304.39.00.08	└─ Having an outside diameter exceeding 285.8 mm
	└─ Other:
7304.39.00.16	└─ Galvanized, having an outside diameter not exceeding 114.3 mm
	└─ Other:
7304.39.00.20	└─ Having an outside diameter less than 38.1 mm
	└─ 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 mm
7304.39.00.28	└─ Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm
7304.39.00.32	└─ Having a wall thickness exceeding 12.7 mm
	└─ 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 mm
7304.39.00.40	└─ Having a wall thickness of 12.7 mm or more but less than 19 mm
7304.39.00.44	└─ Having a wall thickness of 19 mm or more
	└─ 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 mm
7304.39.00.52	└─ Having a wall thickness of 12.7 mm or more but less than 19 mm
7304.39.00.56	└─ Having a wall thickness of 19 mm or more
	└─ 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 mm
7304.39.00.68	└─ Having a wall thickness of 12.7 mm or more but less than 19 mm
7304.39.00.72	└─ Having a wall thickness of 19 mm or more
	└─ Having an outside diameter exceeding 406.4 mm:
7304.39.00.76	└─ Having a wall thickness less than 19 mm
7304.39.00.80	└─ Having a wall thickness of 19 mm or more
	Other, of circular cross section, of stainless steel:
7304.41	└─ Cold-drawn or cold-rolled (cold-reduced):
	└─ Of an external diameter of less than 19 mm
7304.41.30.05	└─ Of high-nickel alloy steel
	└─ Other:
7304.41.30.15	└─ Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
7304.41.30.45	└─ Other
	└─ Other
7304.41.60.05	└─ Of high-nickel alloy steel
	└─ Other:
7304.41.60.15	└─ Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
7304.41.60.45	└─ Other
7304.49.00	└─ Other
7304.49.00.05	└─ Of high-nickel alloy steel
	└─ Other:
7304.49.00.15	└─ Hollow bars
	└─ Other:
7304.49.00.45	└─ Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
7304.49.00.60	└─ Other
	Other, of circular cross section, of other alloy steel:
7304.51	└─ Cold-drawn or cold-rolled (cold-reduced):
7304.51.10.00	└─ Suitable for use in the manufacture of ball or roller bearings
	└─ Other
7304.51.50.05	└─ Of high-nickel alloy steel
	└─ Other:
	└─ Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters:
7304.51.50.15	└─ Of heat-resisting steel
7304.51.50.45	└─ Other
7304.51.50.60	└─ Other
7304.59	└─ Other:
7304.59.10.00	└─ Suitable for use in the manufacture of ball or roller bearings
	└─ Other:
	└─ Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
7304.59.20.30	└─ Of heat-resisting steel
	└─ Other:
7304.59.20.40	└─ Having an outside diameter less than 38.1 mm
7304.59.20.45	└─ Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm
7304.59.20.55	└─ Having an outside diameter exceeding 114.3 mm but less than 190.5 mm
7304.59.20.60	└─ Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
7304.59.20.70	└─ Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
7304.59.20.80	└─ Having an outside diameter exceeding 406.4 mm
	└─ Other:
7304.59.60.00	└─ Of heat-resisting steel
	└─ Other
7304.59.80.10	└─ Having an outside diameter less than 38.1 mm
	└─ 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 mm
7304.59.80.20	└─ Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm
7304.59.80.25	└─ Having a wall thickness exceeding 12.7 mm
	└─ 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 mm
7304.59.80.35	└─ Having a wall thickness of 12.7 mm or more but less than 19 mm
7304.59.80.40	└─ Having a wall thickness of 19 mm or more
	└─ 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 mm
7304.59.80.50	└─ Having a wall thickness of 12.7 mm or more but less than 19 mm
7304.59.80.55	└─ Having a wall thickness of 19 mm or more
	└─ 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 mm
7304.59.80.65	└─ Having a wall thickness of 12.7 mm or more but less than 19 mm
7304.59.80.70	└─ Having a wall thickness of 19 mm or more
7304.59.80.80	└─ Having an outside diameter exceeding 406.4 mm
	Other:
	└─ Having a wall thickness of 4 mm or more:
7304.90.10.00	└─ Of iron or nonalloy steel
7304.90.30.00	└─ Of alloy steel
	└─ Having a wall thickness of less than 4 mm:
7304.90.50.00	└─ Of iron or nonalloy steel
7304.90.70.00	└─ Of alloy steel