Heading 7304
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Drill pipe of stainless steel
152 tariff items under this heading · Chapter 73 — Articles of iron or steel
7304.11.00.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Of stainless steelMFN Free7304.19.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - OtherMFN Free7304.19.00.13Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter not exceeding 60.3 mm: - Of an A.P.I. grade not exceeding X-52MFN Free7304.19.00.14Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter not exceeding 60.3 mm: - Of an A.P.I. grade greater than X-52 but not exceeding X-65MFN Free7304.19.00.15Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter not exceeding 60.3 mm: - Of an A.P.I. grade greater than X-65 but not exceeding X-70MFN Free7304.19.00.16Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter not exceeding 60.3 mm: - Of an A.P.I. grade greater than X-70 but not exceeding X-80MFN Free7304.19.00.19Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter not exceeding 60.3 mm: - OtherMFN Free7304.19.00.23Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an A.P.I. grade not exceeding X-52MFN Free7304.19.00.24Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an A.P.I. grade greater than X-52 but not exceeding X-65MFN Free7304.19.00.25Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an A.P.I. grade greater than X-65 but not exceeding X-70MFN Free7304.19.00.26Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an A.P.I. grade greater than X-70 but not exceeding X-80MFN Free7304.19.00.29Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - OtherMFN Free7304.19.00.61Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an A.P.I. grade not exceeding X-52MFN Free7304.19.00.62Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an A.P.I. grade greater than X-52 but not exceeding X-65MFN Free7304.19.00.63Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an A.P.I. grade greater than X-65 but not exceeding X-70MFN Free7304.19.00.64Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an A.P.I. grade greater than X-70 but not exceeding X-80MFN Free7304.19.00.69Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - OtherMFN Free7304.19.00.71Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an A.P.I. grade not exceeding X-52MFN Free7304.19.00.72Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an A.P.I. grade greater than X-52 but not exceeding X-65MFN Free7304.19.00.73Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an A.P.I. grade greater than X-65 but not exceeding X-70MFN Free7304.19.00.74Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an A.P.I. grade greater than X-70 but not exceeding X-80MFN Free7304.19.00.79Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - OtherMFN Free7304.19.00.81Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 610 mm: - Of an A.P.I. grade not exceeding X-52MFN Free7304.19.00.82Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 610 mm: - Of an A.P.I. grade greater than X-52 but not exceeding X-65MFN Free7304.19.00.83Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 610 mm: - Of an A.P.I. grade greater than X-65 but not exceeding X-70MFN Free7304.19.00.84Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 610 mm: - Of an A.P.I. grade greater than X-70 but not exceeding X-80MFN Free7304.19.00.89Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Line pipe of a kind used for oil or gas pipelines: - Other - Of an external diameter exceeding 610 mm: - OtherMFN Free7304.22.00.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Drill pipe of stainless steelMFN Free7304.23.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipeMFN Free7304.23.00.10Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipe - New: - Of iron or non-alloy steelMFN Free7304.23.00.20Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other drill pipe - Of alloy steelMFN Free7304.24.00.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other, of stainless steelMFN Free7304.29.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - OtherMFN Free7304.29.00.12Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter of 114.3mm or more but not exceeding 177.8mm: - Plain end, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.13Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter of 114.3mm or more but not exceeding 177.8mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.14Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter of 114.3mm or more but not exceeding 177.8mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.15Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter of 114.3mm or more but not exceeding 177.8mm: - Plain end, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.16Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter of 114.3mm or more but not exceeding 177.8mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.17Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter of 114.3mm or more but not exceeding 177.8mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.19Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter of 114.3mm or more but not exceeding 177.8mm: - OtherMFN Free7304.29.00.22Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 177.8 mm but not exceeding 298.5 mm: - Plain end, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.23Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 177.8 mm but not exceeding 298.5 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.24Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 177.8 mm but not exceeding 298.5 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.25Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 177.8 mm but not exceeding 298.5 mm: - Plain end, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.26Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 177.8 mm but not exceeding 298.5 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.27Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 177.8 mm but not exceeding 298.5 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.29Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 177.8 mm but not exceeding 298.5 mm: - OtherMFN Free7304.29.00.32Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 298.5 mm: - Plain end, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.33Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 298.5 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.34Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 298.5 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.35Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 298.5 mm: - Plain end, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.36Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 298.5 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.37Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 298.5 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.39Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Casing, of an external diameter exceeding 298.5 mm: - OtherMFN Free7304.29.00.42Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter not exceeding 60.2 mm: - Plain end, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.43Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter not exceeding 60.2 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.44Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter not exceeding 60.2 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.45Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter not exceeding 60.2 mm: - Plain end, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.46Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter not exceeding 60.2 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.47Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter not exceeding 60.2 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.49Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter not exceeding 60.2 mm: - OtherMFN Free7304.29.00.52Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter of 60.3 mm: - Plain end, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.53Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter of 60.3 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.54Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter of 60.3 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.55Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter of 60.3 mm: - Plain end, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.56Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter of 60.3 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.57Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter of 60.3 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.59Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter of 60.3 mm: - OtherMFN Free7304.29.00.62Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 60.3 mm but not exceeding 73 mm: - Plain end, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.63Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 60.3 mm but not exceeding 73 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.64Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 60.3 mm but not exceeding 73 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.65Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 60.3 mm but not exceeding 73 mm: - Plain end, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.66Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 60.3 mm but not exceeding 73 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.67Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 60.3 mm but not exceeding 73 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.69Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 60.3 mm but not exceeding 73 mm: - OtherMFN Free7304.29.00.72Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 73 mm: - Plain end, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.73Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 73 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.74Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 73 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade H-40, J-55, K-55 or equivalent proprietary specificationMFN Free7304.29.00.75Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 73 mm: - Plain end, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.76Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 73 mm: - Threaded and coupled to A.P.I. specifications, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.77Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 73 mm: - Premium or semi-premium threaded and coupled, of an A.P.I. grade N80, L80, P110 or equivalent proprietary specificationMFN Free7304.29.00.79Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: - Other - Tubing, of an external diameter exceeding 73 mm: - OtherMFN Free7304.31.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Cold-drawn or cold-rolled (cold-reduced)MFN Free7304.31.00.10Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - Mechanical tubes and pipesMFN Free7304.31.00.90Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Cold-drawn or cold-rolled (cold-reduced) - OtherMFN Free7304.39.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - OtherMFN Free7304.39.00.11Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - Of an ASTM grade A106 or equivalentMFN Free7304.39.00.12Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - Of an ASTM grade A333 or equivalentMFN Free7304.39.00.19Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - OtherMFN Free7304.39.00.21Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an ASTM grade A106 or equivalentMFN Free7304.39.00.22Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an ASTM grade A333 or equivalentMFN Free7304.39.00.29Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - OtherMFN Free7304.39.00.31Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an ASTM grade A106 or equivalentMFN Free7304.39.00.32Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an ASTM grade A333 or equivalentMFN Free7304.39.00.39Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - OtherMFN Free7304.39.00.41Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an ASTM grade A106 or equivalentMFN Free7304.39.00.42Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an ASTM grade A333 or equivalentMFN Free7304.39.00.49Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - OtherMFN Free7304.39.00.51Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - Of an ASTM grade A106 or equivalentMFN Free7304.39.00.52Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - Of an ASTM grade A333 or equivalentMFN Free7304.39.00.59Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - OtherMFN Free7304.39.00.60Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Tubes and pipes, for boilersMFN Free7304.39.00.70Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - Mechanical tubes and pipesMFN Free7304.39.00.90Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of iron or non-alloy steel: - Other - OtherMFN Free7304.41.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Cold-drawn or cold-rolled (cold-reduced)MFN Free7304.41.00.10Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Cold-drawn or cold-rolled (cold-reduced) - Of an external diameter of less than 19 mmMFN Free7304.41.00.90Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Cold-drawn or cold-rolled (cold-reduced) - OtherMFN Free7304.49.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - OtherMFN Free7304.49.00.40Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Other - Hollow profilesMFN Free7304.49.00.90Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of stainless steel: - Other - OtherMFN Free7304.51.00.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Cold-drawn or cold-rolled (cold-reduced)MFN Free7304.59.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - OtherMFN Free7304.59.00.11Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - Of an ASTM grade A335 P5MFN Free7304.59.00.12Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - Of an ASTM grade A335 P9MFN Free7304.59.00.13Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - Of an ASTM grade A335 P11MFN Free7304.59.00.14Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - Of an ASTM grade A335 P22MFN Free7304.59.00.15Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - Of an ASTM grade A335 P91MFN Free7304.59.00.16Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - Of an ASTM grade A335 P92MFN Free7304.59.00.19Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter not exceeding 60.3 mm: - OtherMFN Free7304.59.00.21Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an ASTM grade A335 P5MFN Free7304.59.00.22Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an ASTM grade A335 P9MFN Free7304.59.00.23Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an ASTM grade A335 P11MFN Free7304.59.00.24Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an ASTM grade A335 P22MFN Free7304.59.00.25Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an ASTM grade A335 P91MFN Free7304.59.00.26Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - Of an ASTM grade A335 P92MFN Free7304.59.00.29Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 60.3 mm but not exceeding 219.1 mm: - OtherMFN Free7304.59.00.31Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an ASTM grade A335 P5MFN Free7304.59.00.32Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an ASTM grade A335 P9MFN Free7304.59.00.33Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an ASTM grade A335 P11MFN Free7304.59.00.34Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an ASTM grade A335 P22MFN Free7304.59.00.35Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an ASTM grade A335 P91MFN Free7304.59.00.36Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - Of an ASTM grade A335 P92MFN Free7304.59.00.39Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 219.1 mm but not exceeding 355.6 mm: - OtherMFN Free7304.59.00.41Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an ASTM grade A335 P5MFN Free7304.59.00.42Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an ASTM grade A335 P9MFN Free7304.59.00.43Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an ASTM grade A335 P11MFN Free7304.59.00.44Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an ASTM grade A335 P22MFN Free7304.59.00.45Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an ASTM grade A335 P91MFN Free7304.59.00.46Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - Of an ASTM grade A335 P92MFN Free7304.59.00.49Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 355.6 mm but not exceeding 610 mm: - OtherMFN Free7304.59.00.51Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - Of an ASTM grade A335 P5MFN Free7304.59.00.52Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - Of an ASTM grade A335 P9MFN Free7304.59.00.53Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - Of an ASTM grade A335 P11MFN Free7304.59.00.54Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - Of an ASTM grade A335 P22MFN Free7304.59.00.55Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - Of an ASTM grade A335 P91MFN Free7304.59.00.56Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - Of an ASTM grade A335 P92MFN Free7304.59.00.59Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Standard pipes, of an external diameter exceeding 610 mm: - OtherMFN Free7304.59.00.60Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - Mechanical tubes and pipesMFN Free7304.59.00.90Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other, of circular cross-section, of other alloy steel: - Other - OtherMFN Free7304.90.00Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - OtherMFN Free7304.90.00.10Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other - Mechanical tubes and pipes: - Of iron or non-alloy steelMFN Free7304.90.00.20Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. - Other - Of alloy steelMFN Free