C-90 Grade Threaded Oil Casing 12-1/4 Inch
C-90 grade nonalloy casing, 12-1/4 inch with integral threaded ends for oil production. High collapse resistance. Fits threaded 7306.29.10.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy-enhanced C-90
Higher alloy C-90 variants go to alloy steel provisions.
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
• C-90 grades need proprietary certs from mills; generic MTC insufficient
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