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7304.23Other drill pipe:
7304.23.3000Of iron or nonalloy steelkgFree25%
7304.23.60Of alloy steelFree35%
7304.23.6030Having a wall thickness not exceeding 9.5 mmkg
7304.23.6045Having a wall thickness exceeding 9.5 mmkg
7304.24Other of stainless steel:
7304.24.30Threaded or coupledFree28%
7304.24.3010Having an outside diameter less than 215.9 mm:
7304.24.3010Having a wall thickness less than 12.7 mmkg
7304.24.3020Having a wall thickness of 12.7 mm or morekg
7304.24.3030Having a wall thickness less than 12.7 mmkg
7304.24.3040Having a wall thickness of 12.7 mm or morekg
7304.24.3050Having a wall thickness less than 12.7 mmkg
7304.24.3060Having a wall thickness of 12.7 mm or morekg
7304.24.4010Having an outside diameter less than 215.9 mm:
7304.24.4010Having a wall thickness less than 12.7 mmkg
7304.24.4020Having a wall thickness of 12.7 mm or morekg
7304.24.4030Having a wall thickness less than 12.7 mmkg
7304.24.4040Having a wall thickness of 12.7 mm or morekg
7304.24.4050Having a wall thickness less than 12.7 mmkg
7304.24.4060Having a wall thickness of 12.7 mm or morekg
7304.24.6015Having a wall thickness not exceeding 9.5 mmkg
7304.24.6030Having a wall thickness exceeding 9.5 mmkg
7304.24.6045Having an outside diameter exceeding 114.3 mm but less than 215.9 mmkg
7304.29.10Of iron or nonalloy steel:

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