7 Inch 32 lb/ft P-110 Stainless Steel Threaded Casing
High-pressure P-110 grade stainless steel casing, 7 inch diameter with integral threaded couplings for deepwater oil wells. Designed for extreme downhole conditions in corrosive environments. HTS 7304.24.30 classification due to stainless steel composition and oil/gas drilling application.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designated as tubing in API documentation
Same stainless steel threaded pipe classified as 7304.24.50 when used as production tubing.
If part of completed gas compressor set
When imported as component of gas compression equipment, may fall under Chapter 84 machinery.
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Import Tips & Compliance
• Provide ITP (Inspection Test Plan) and witness test records for hydrostatic and tensile testing
• Confirm stainless steel content exceeds 10.5% chromium per ASTM definition for Chapter 72/73 classification
• Include dimensional inspection reports verifying OD, wall thickness, and coupling engagement length
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