HS Codes Chapter
Chapter Codes Chapter Description
Chapter 730520Harmonized System Codes of Chapter 730520 :OTHER TUBES AND PIPES (FOREXAMPLE, WELDED, RIVETED ORSIMILARLY CLOSED), HAVINGCIRCULAR CROSS-SECTIONS, THEEXTERNAL DIAMETER OF WHICH EXCEEDS 406.4 MM, OF IRON OR STEEL
HS Codes Heading
Heading Codes Heading Description
73052010 Casing of a kind used in drilling for oil or gas:Of iron
73052090 Casing of a kind used in drilling for oil or gas:Other
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