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

7304.11.00Of stainless steel 7304.11.00.20Having an outside diameter not exceeding 114.3 mm 7304.11.00.50Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm 7304.11.00.80Having an outside diameter exceeding 406.4 mm 7304.19Other: 7304.19.10Of iron or nonalloy steel 7304.19.10.20Having an outside diameter not exceeding 114.3 mm 7304.19.10.30Having an outside diameter exceeding 114.3 mm but less than 215.9 mm 7304.19.10.45Having a wall thickness less than 12.7 mm 7304.19.10.60Having a wall thickness of 12.7 mm or more 7304.19.10.80Having an outside diameter exceeding 406.4 mm 7304.19.50Of other alloy steel 7304.19.50.20Having an outside diameter not exceeding 114.3 mm 7304.19.50.50Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm 7304.19.50.80Having an outside diameter exceeding 406.4 mm 7304.22.00Drill pipe of stainless steel 7304.22.00.30Having a wall thickness not exceeding 9.5 mm 7304.22.00.45Having a wall thickness exceeding 9.5 mm 7304.22.00.60Having an outside diameter exceeding 168.3 mm 7304.23Other drill pipe: 7304.23.30.00Of iron or nonalloy steel 7304.23.60Of alloy steel 7304.23.60.30Having a wall thickness not exceeding 9.5 mm 7304.23.60.45Having a wall thickness exceeding 9.5 mm 7304.23.60.60Having an outside diameter exceeding 168.3 mm 7304.24Other, of stainless steel: 7304.24.30Threaded or coupled 7304.24.30.10Having a wall thickness less than 12.7 mm 7304.24.30.20Having a wall thickness of 12.7 mm or more 7304.24.30.30Having a wall thickness less than 12.7 mm 7304.24.30.40Having a wall thickness of 12.7 mm or more 7304.24.30.45Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm 7304.24.30.80Having an outside diameter exceeding 406.4 mm 7304.24.40Other 7304.24.40.10Having a wall thickness less than 12.7 mm 7304.24.40.20Having a wall thickness of 12.7 mm or more 7304.24.40.30Having a wall thickness less than 12.7 mm 7304.24.40.40Having a wall thickness of 12.7 mm or more 7304.24.40.50Having a wall thickness less than 12.7 mm 7304.24.40.60Having a wall thickness of 12.7 mm or more 7304.24.40.80Having an outside diameter exceeding 406.4 mm 7304.24.60Tubing 7304.24.60.15Having a wall thickness not exceeding 9.5 mm 7304.24.60.30Having a wall thickness exceeding 9.5 mm 7304.24.60.45Having an outside diameter exceeding 114.3 mm but less than 215.9 mm 7304.24.60.60Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm 7304.24.60.75Having an outside diameter exceeding 406.4 mm 7304.29Other: 7304.29.10Threaded or coupled 7304.29.10.10Having a wall thickness less than 12.7 mm 7304.29.10.20Having a wall thickness of 12.7 mm or more 7304.29.10.30Having a wall thickness less than 12.7 mm 7304.29.10.40Having a wall thickness of 12.7 mm or more 7304.29.10.50Having a wall thickness less than 12.7 mm 7304.29.10.60Having a wall thickness of 12.7 mm or more 7304.29.10.80Having an outside diameter exceeding 406.4 mm 7304.29.20Other 7304.29.20.10Having a wall thickness less than 12.7 mm 7304.29.20.20Having a wall thickness of 12.7 mm or more 7304.29.20.30Having a wall thickness less than 12.7 mm 7304.29.20.40Having a wall thickness of 12.7 mm or more 7304.29.20.50Having a wall thickness less than 12.7 mm 7304.29.20.60Having a wall thickness of 12.7 mm or more 7304.29.20.80Having an outside diameter exceeding 406.4 mm 7304.29.31Threaded or coupled 7304.29.31.10Having a wall thickness less than 12.7 mm 7304.29.31.20Having a wall thickness of 12.7 mm or more 7304.29.31.30Having a wall thickness less than 12.7 mm 7304.29.31.40Having a wall thickness of 12.7 mm or more 7304.29.31.50Having a wall thickness less than 12.7 mm 7304.29.31.60Having a wall thickness of 12.7 mm or more 7304.29.31.80Having an outside diameter exceeding 406.4 mm 7304.29.41Other 7304.29.41.10Having a wall thickness less than 12.7 mm 7304.29.41.20Having a wall thickness of 12.7 mm or more 7304.29.41.30Having a wall thickness less than 12.7 mm 7304.29.41.40Having a wall thickness of 12.7 mm or more 7304.29.41.50Having a wall thickness less than 12.7 mm 7304.29.41.60Having a wall thickness of 12.7 mm or more 7304.29.41.80Having an outside diameter exceeding 406.4 mm 7304.29.50Of iron or nonalloy steel 7304.29.50.15Having a wall thickness not exceeding 9.5 mm 7304.29.50.30Having a wall thickness exceeding 9.5 mm 7304.29.50.45Having an outside diameter exceeding 114.3 mm but less than 215.9 mm 7304.29.50.60Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm 7304.29.50.75Having an outside diameter exceeding 406.4 mm 7304.29.61Of other alloy steel 7304.29.61.15Having a wall thickness not exceeding 9.5 mm 7304.29.61.30Having a wall thickness exceeding 9.5 mm 7304.29.61.45Having an outside diameter exceeding 114.3 mm but less than 215.9 mm 7304.29.61.60Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm 7304.29.61.75Having an outside diameter exceeding 406.4 mm 7304.31Cold-drawn or cold-rolled (cold-reduced): 7304.31.30.00Hollow bars 7304.31.60Other 7304.31.60.10Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters 7304.31.60.50Other 7304.39.00Other 7304.39.00.02Having an outside diameter less than 38.1 mm 7304.39.00.04Having an outside diameter of 38.1 mm or more but less than 190.5 mm 7304.39.00.06Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm 7304.39.00.08Having an outside diameter exceeding 285.8 mm 7304.39.00.16Galvanized, having an outside diameter not exceeding 114.3 mm 7304.39.00.20Having an outside diameter less than 38.1 mm 7304.39.00.24Having a wall thickness less than 6.4 mm 7304.39.00.28Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm 7304.39.00.32Having a wall thickness exceeding 12.7 mm 7304.39.00.36Having a wall thickness less than 12.7 mm 7304.39.00.40Having a wall thickness of 12.7 mm or more but less than 19 mm 7304.39.00.44Having a wall thickness of 19 mm or more 7304.39.00.48Having a wall thickness less than 12.7 mm 7304.39.00.52Having a wall thickness of 12.7 mm or more but less than 19 mm 7304.39.00.56Having a wall thickness of 19 mm or more 7304.39.00.62Having a wall thickness less than 12.7 mm 7304.39.00.68Having a wall thickness of 12.7 mm or more but less than 19 mm 7304.39.00.72Having a wall thickness of 19 mm or more 7304.39.00.76Having a wall thickness less than 19 mm 7304.39.00.80Having a wall thickness of 19 mm or more 7304.41Cold-drawn or cold-rolled (cold-reduced): 7304.41.30Of an external diameter of less than 19 mm 7304.41.30.05Of high-nickel alloy steel 7304.41.30.15Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters 7304.41.30.45Other 7304.41.60Other 7304.41.60.05Of high-nickel alloy steel 7304.41.60.15Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters 7304.41.60.45Other 7304.49.00Other 7304.49.00.05Of high-nickel alloy steel 7304.49.00.15Hollow bars 7304.49.00.45Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters 7304.49.00.60Other 7304.51Cold-drawn or cold-rolled (cold-reduced): 7304.51.10.00Suitable for use in the manufacture of ball or roller bearings 7304.51.50Other 7304.51.50.05Of high-nickel alloy steel 7304.51.50.15Of heat-resisting steel 7304.51.50.45Other 7304.51.50.60Other 7304.59Other: 7304.59.10.00Suitable for use in the manufacture of ball or roller bearings 7304.59.20Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters 7304.59.20.30Of heat-resisting steel 7304.59.20.40Having an outside diameter less than 38.1 mm 7304.59.20.45Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm 7304.59.20.55Having an outside diameter exceeding 114.3 mm but less than 190.5 mm 7304.59.20.60Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm 7304.59.20.70Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm 7304.59.20.80Having an outside diameter exceeding 406.4 mm 7304.59.60.00Of heat-resisting steel 7304.59.80Other 7304.59.80.10Having an outside diameter less than 38.1 mm 7304.59.80.15Having a wall thickness less than 6.4 mm 7304.59.80.20Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm 7304.59.80.25Having a wall thickness exceeding 12.7 mm 7304.59.80.30Having a wall thickness less than 12.7 mm 7304.59.80.35Having a wall thickness of 12.7 mm or more but less than 19 mm 7304.59.80.40Having a wall thickness of 19 mm or more 7304.59.80.45Having a wall thickness less than 12.7 mm 7304.59.80.50Having a wall thickness of 12.7 mm or more but less than 19 mm 7304.59.80.55Having a wall thickness of 19 mm or more 7304.59.80.60Having a wall thickness less than 12.7 mm 7304.59.80.65Having a wall thickness of 12.7 mm or more but less than 19 mm 7304.59.80.70Having a wall thickness of 19 mm or more 7304.59.80.80Having an outside diameter exceeding 406.4 mm 7304.90Other: 7304.90.10.00Of iron or nonalloy steel 7304.90.30.00Of alloy steel 7304.90.50.00Of iron or nonalloy steel 7304.90.70.00Of alloy steel