30 Inch OD Stainless Steel Surface Casing Pipe
Extra-large 30-inch OD seamless stainless steel surface casing, threaded and coupled, used in the initial phase of oil/gas well drilling to isolate freshwater aquifers and provide blowout protection. Perfect match for HTS 7304.24.30.80: stainless, seamless, >406.4mm OD, coupled casing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If welded construction for same surface casing use
Welding method (seamless vs welded) creates separate headings within drilling tubes.
If structural pile driving applications
Offshore platform piling uses general stainless tube classification.
If other drilling machinery parts
Broader drilling equipment classification if not specifically identified as casing.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Oversize transport requires special permits; coordinate with carriers experienced in OCTG logistics
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