16 Inch M-65 Coupled Casing
M-65 grade 16-inch coupled casing for intermediate sections in high-pressure gas wells. Under HTS 7306.29.31.00 for threaded welded steel casing in oil/gas drilling. Enhanced collapse resistance for deviated wells.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless steel seamless equivalent
Material and seam type alter classification.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Thread protector presence aids customs inspection
• Weight certificates mandatory for heavy lifts
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