HS code 7304293180 refers to seamless tubes, pipes, and hollow profiles made of iron (excluding cast iron) or steel, used for casing, tubing, and drill pipe in oil or gas drilling. Specifically, this code applies to casing made of other alloy steel, with a threaded or coupled design and an outside diameter exceeding 406.4 mm.
Examples of products under this HS code include:
- Oil well casing pipes made of alloy steel with an outer diameter greater than 406.4 mm
- Seamless steel pipes used for oil and gas drilling with threaded connections
- High-strength alloy steel casing for deep oil wells
- Seamless steel tubes for gas drilling applications with a diameter exceeding 406.4 mm
- Coupled alloy steel casing for oil field operations
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