9-5/8 Inch Intermediate Casing
9-5/8" intermediate casing strings made from nonalloy steel for protecting productive zones in oil wells. Classified HTS 7306.29.60 for drilling-specific iron/nonalloy tubing. Buttress threads provide high torque capacity.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If welded intermediate casing
Construction method (welded vs seamless) determines subheading.
If part of completion equipment
Well completion assemblies classify as oilfield machinery.
Not sure which classification is right?
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Import Tips & Compliance
• Certify coupling stock material matches pipe body grade
• Use nitrogen purging for internal cleanliness documentation
Related Products under HTS 7306.29.60
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4-1/2 Inch EUE Tubing
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J55 Oil Well Tubing
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