9-5/8 inch 43.5 lb/ft P110 Stainless Steel Casing
Seamless 9-5/8 inch OD stainless steel casing rated P110 for high-pressure production zones in oil and gas wells. Classified under HTS 7304.24.40 as other stainless steel casing, not drill pipe or tubing, used to isolate formations. Its corrosion-resistant properties suit harsh offshore environments.
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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 when used inside casing for production fluid flow
Production tubing is specifically for conveying fluids, unlike casing which cements the borehole.
If of iron or non-alloy steel
Casing of common carbon steel falls under the non-alloy steel subheading.
If imported as assembled part of downhole pumps
If integrated into pump assemblies as parts, it shifts to pump parts classification.
Not sure which classification is right?
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Import Tips & Compliance
• Include detailed dimensional specs (OD, wall thickness, weight) and material certs in entry docs to confirm casing classification
• Watch for common pitfalls like incorrect grade labeling leading to duty recalculation; stainless must have min 10.5% chromium
• For HPHT wells, provide pressure test records to support P110 rating during customs valuation
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