Chapter 73 · Articles of iron or steel

7304

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

170 lines · 2026 HTS Revision 22

Lines of 7304

  1. Line pipe of a kind used for oil or gas pipelines
  2. 7304.11.00Of stainless steelFree
  3. 7304.11.00.20Having an outside diameter not exceeding 114.3 mm
  4. 7304.11.00.50Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm
  5. 7304.11.00.80Having an outside diameter exceeding 406.4 mm
  6. 7304.19Other
  7. 7304.19.10Of iron or nonalloy steelFree
  8. 7304.19.10.20Having an outside diameter not exceeding 114.3 mm
  9. 7304.19.10.30Having an outside diameter exceeding 114.3 mm but less than 215.9 mm
  10. Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm
  11. 7304.19.10.45Having a wall thickness less than 12.7 mm
  12. 7304.19.10.60Having a wall thickness of 12.7 mm or more
  13. 7304.19.10.80Having an outside diameter exceeding 406.4 mm
  14. 7304.19.50Of other alloy steelFree
  15. 7304.19.50.20Having an outside diameter not exceeding 114.3 mm
  16. 7304.19.50.50Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm
  17. 7304.19.50.80Having an outside diameter exceeding 406.4 mm
  18. Casing, tubing and drill pipe, of a kind used in drilling for oil or gas
  19. 7304.22.00Drill pipe of stainless steelFree
  20. Having an outside diameter not exceeding 168.3 mm
  21. 7304.22.00.30Having a wall thickness not exceeding 9.5 mm
  22. 7304.22.00.45Having a wall thickness exceeding 9.5 mm
  23. 7304.22.00.60Having an outside diameter exceeding 168.3 mm
  24. 7304.23Other drill pipe
  25. 7304.23.30.00Of iron or nonalloy steelFree
  26. 7304.23.60Of alloy steelFree
  27. Having an outside diameter not exceeding 168.3 mm
  28. 7304.23.60.30Having a wall thickness not exceeding 9.5 mm
  29. 7304.23.60.45Having a wall thickness exceeding 9.5 mm
  30. 7304.23.60.60Having an outside diameter exceeding 168.3 mm
  31. 7304.24Other, of stainless steel
  32. Casing
  33. 7304.24.30Threaded or coupledFree
  34. Having an outside diameter less than 215.9 mm
  35. 7304.24.30.10Having a wall thickness less than 12.7 mm
  36. 7304.24.30.20Having a wall thickness of 12.7 mm or more
  37. Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  38. 7304.24.30.30Having a wall thickness less than 12.7 mm
  39. 7304.24.30.40Having a wall thickness of 12.7 mm or more
  40. 7304.24.30.45Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  41. 7304.24.30.80Having an outside diameter exceeding 406.4 mm
  42. 7304.24.40OtherFree
  43. Having an outside diameter less than 215.9 mm
  44. 7304.24.40.10Having a wall thickness less than 12.7 mm
  45. 7304.24.40.20Having a wall thickness of 12.7 mm or more
  46. Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  47. 7304.24.40.30Having a wall thickness less than 12.7 mm
  48. 7304.24.40.40Having a wall thickness of 12.7 mm or more
  49. Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  50. 7304.24.40.50Having a wall thickness less than 12.7 mm
  51. 7304.24.40.60Having a wall thickness of 12.7 mm or more
  52. 7304.24.40.80Having an outside diameter exceeding 406.4 mm
  53. 7304.24.60TubingFree
  54. Having an outside diameter not exceeding 114.3 mm
  55. 7304.24.60.15Having a wall thickness not exceeding 9.5 mm
  56. 7304.24.60.30Having a wall thickness exceeding 9.5 mm
  57. 7304.24.60.45Having an outside diameter exceeding 114.3 mm but less than 215.9 mm
  58. 7304.24.60.60Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm
  59. 7304.24.60.75Having an outside diameter exceeding 406.4 mm
  60. 7304.29Other
  61. Casing
  62. Of iron or nonalloy steel
  63. 7304.29.10Threaded or coupledFree
  64. Having an outside diameter less than 215.9 mm
  65. 7304.29.10.10Having a wall thickness less than 12.7 mm
  66. 7304.29.10.20Having a wall thickness of 12.7 mm or more
  67. Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  68. 7304.29.10.30Having a wall thickness less than 12.7 mm
  69. 7304.29.10.40Having a wall thickness of 12.7 mm or more
  70. Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  71. 7304.29.10.50Having a wall thickness less than 12.7 mm
  72. 7304.29.10.60Having a wall thickness of 12.7 mm or more
  73. 7304.29.10.80Having an outside diameter exceeding 406.4 mm
  74. 7304.29.20OtherFree
  75. Having an outside diameter less than 215.9 mm
  76. 7304.29.20.10Having a wall thickness less than 12.7 mm
  77. 7304.29.20.20Having a wall thickness of 12.7 mm or more
  78. Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  79. 7304.29.20.30Having a wall thickness less than 12.7 mm
  80. 7304.29.20.40Having a wall thickness of 12.7 mm or more
  81. Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  82. 7304.29.20.50Having a wall thickness less than 12.7 mm
  83. 7304.29.20.60Having a wall thickness of 12.7 mm or more
  84. 7304.29.20.80Having an outside diameter exceeding 406.4 mm
  85. Of other alloy steel
  86. 7304.29.31Threaded or coupledFree
  87. Having an outside diameter less than 215.9 mm
  88. 7304.29.31.10Having a wall thickness less than 12.7 mm
  89. 7304.29.31.20Having a wall thickness of 12.7 mm or more
  90. Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  91. 7304.29.31.30Having a wall thickness less than 12.7 mm
  92. 7304.29.31.40Having a wall thickness of 12.7 mm or more
  93. Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  94. 7304.29.31.50Having a wall thickness less than 12.7 mm
  95. 7304.29.31.60Having a wall thickness of 12.7 mm or more
  96. 7304.29.31.80Having an outside diameter exceeding 406.4 mm
  97. 7304.29.41OtherFree
  98. Having an outside diameter less than 215.9 mm
  99. 7304.29.41.10Having a wall thickness less than 12.7 mm
  100. 7304.29.41.20Having a wall thickness of 12.7 mm or more
  101. Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm
  102. 7304.29.41.30Having a wall thickness less than 12.7 mm
  103. 7304.29.41.40Having a wall thickness of 12.7 mm or more
  104. Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  105. 7304.29.41.50Having a wall thickness less than 12.7 mm
  106. 7304.29.41.60Having a wall thickness of 12.7 mm or more
  107. 7304.29.41.80Having an outside diameter exceeding 406.4 mm
  108. Tubing
  109. 7304.29.50Of iron or nonalloy steelFree
  110. Having an outside diameter not exceeding 114.3 mm
  111. 7304.29.50.15Having a wall thickness not exceeding 9.5 mm
  112. 7304.29.50.30Having a wall thickness exceeding 9.5 mm
  113. 7304.29.50.45Having an outside diameter exceeding 114.3 mm but less than 215.9 mm
  114. 7304.29.50.60Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm
  115. 7304.29.50.75Having an outside diameter exceeding 406.4 mm
  116. 7304.29.61Of other alloy steelFree
  117. Having an outside diameter not exceeding 114.3 mm
  118. 7304.29.61.15Having a wall thickness not exceeding 9.5 mm
  119. 7304.29.61.30Having a wall thickness exceeding 9.5 mm
  120. 7304.29.61.45Having an outside diameter exceeding 114.3 mm but less than 215.9 mm
  121. 7304.29.61.60Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm
  122. 7304.29.61.75Having an outside diameter exceeding 406.4 mm
  123. Other, of circular cross section, of iron or nonalloy steel
  124. 7304.31Cold-drawn or cold-rolled (cold-reduced)
  125. 7304.31.30.00Hollow barsFree
  126. 7304.31.60OtherFree
  127. 7304.31.60.10Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
  128. 7304.31.60.50Other
  129. 7304.39.00OtherFree
  130. Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
  131. 7304.39.00.02Having an outside diameter less than 38.1 mm
  132. 7304.39.00.04Having an outside diameter of 38.1 mm or more but less than 190.5 mm
  133. 7304.39.00.06Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
  134. 7304.39.00.08Having an outside diameter exceeding 285.8 mm
  135. Other
  136. 7304.39.00.16Galvanized, having an outside diameter not exceeding 114.3 mm
  137. Other
  138. 7304.39.00.20Having an outside diameter less than 38.1 mm
  139. Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm
  140. 7304.39.00.24Having a wall thickness less than 6.4 mm
  141. 7304.39.00.28Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm
  142. 7304.39.00.32Having a wall thickness exceeding 12.7 mm
  143. Having an outside diameter exceeding 114.3 mm but less than 190.5 mm
  144. 7304.39.00.36Having a wall thickness less than 12.7 mm
  145. 7304.39.00.40Having a wall thickness of 12.7 mm or more but less than 19 mm
  146. 7304.39.00.44Having a wall thickness of 19 mm or more
  147. Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
  148. 7304.39.00.48Having a wall thickness less than 12.7 mm
  149. 7304.39.00.52Having a wall thickness of 12.7 mm or more but less than 19 mm
  150. 7304.39.00.56Having a wall thickness of 19 mm or more
  151. Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  152. 7304.39.00.62Having a wall thickness less than 12.7 mm
  153. 7304.39.00.68Having a wall thickness of 12.7 mm or more but less than 19 mm
  154. 7304.39.00.72Having a wall thickness of 19 mm or more
  155. Having an outside diameter exceeding 406.4 mm
  156. 7304.39.00.76Having a wall thickness less than 19 mm
  157. 7304.39.00.80Having a wall thickness of 19 mm or more
  158. Other, of circular cross section, of stainless steel
  159. 7304.41Cold-drawn or cold-rolled (cold-reduced)
  160. 7304.41.30Of an external diameter of less than 19 mmFree
  161. 7304.41.30.05Of high-nickel alloy steel
  162. Other
  163. 7304.41.30.15Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
  164. 7304.41.30.45Other
  165. 7304.41.60OtherFree
  166. 7304.41.60.05Of high-nickel alloy steel
  167. Other
  168. 7304.41.60.15Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
  169. 7304.41.60.45Other
  170. 7304.49.00OtherFree
  171. 7304.49.00.05Of high-nickel alloy steel
  172. Other
  173. 7304.49.00.15Hollow bars
  174. Other
  175. 7304.49.00.45Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
  176. 7304.49.00.60Other
  177. Other, of circular cross section, of other alloy steel
  178. 7304.51Cold-drawn or cold-rolled (cold-reduced)
  179. 7304.51.10.00Suitable for use in the manufacture of ball or roller bearingsFree
  180. 7304.51.50OtherFree
  181. 7304.51.50.05Of high-nickel alloy steel
  182. Other
  183. Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
  184. 7304.51.50.15Of heat-resisting steel
  185. 7304.51.50.45Other
  186. 7304.51.50.60Other
  187. 7304.59Other
  188. 7304.59.10.00Suitable for use in the manufacture of ball or roller bearingsFree
  189. Other
  190. 7304.59.20Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heatersFree
  191. 7304.59.20.30Of heat-resisting steel
  192. Other
  193. 7304.59.20.40Having an outside diameter less than 38.1 mm
  194. 7304.59.20.45Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm
  195. 7304.59.20.55Having an outside diameter exceeding 114.3 mm but less than 190.5 mm
  196. 7304.59.20.60Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
  197. 7304.59.20.70Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  198. 7304.59.20.80Having an outside diameter exceeding 406.4 mm
  199. Other
  200. 7304.59.60.00Of heat-resisting steelFree
  201. 7304.59.80OtherFree
  202. 7304.59.80.10Having an outside diameter less than 38.1 mm
  203. Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm
  204. 7304.59.80.15Having a wall thickness less than 6.4 mm
  205. 7304.59.80.20Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm
  206. 7304.59.80.25Having a wall thickness exceeding 12.7 mm
  207. Having an outside diameter exceeding 114.3 mm but less than 190.5 mm
  208. 7304.59.80.30Having a wall thickness less than 12.7 mm
  209. 7304.59.80.35Having a wall thickness of 12.7 mm or more but less than 19 mm
  210. 7304.59.80.40Having a wall thickness of 19 mm or more
  211. Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm
  212. 7304.59.80.45Having a wall thickness less than 12.7 mm
  213. 7304.59.80.50Having a wall thickness of 12.7 mm or more but less than 19 mm
  214. 7304.59.80.55Having a wall thickness of 19 mm or more
  215. Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
  216. 7304.59.80.60Having a wall thickness less than 12.7 mm
  217. 7304.59.80.65Having a wall thickness of 12.7 mm or more but less than 19 mm
  218. 7304.59.80.70Having a wall thickness of 19 mm or more
  219. 7304.59.80.80Having an outside diameter exceeding 406.4 mm
  220. 7304.90Other
  221. Having a wall thickness of 4 mm or more
  222. 7304.90.10.00Of iron or nonalloy steelFree
  223. 7304.90.30.00Of alloy steelFree
  224. Having a wall thickness of less than 4 mm
  225. 7304.90.50.00Of iron or nonalloy steelFree
  226. 7304.90.70.00Of alloy steelFree