13-3/8 inch 54.5 lb/ft L-80 Type 13Cr Stainless Steel Casing
This is a seamless stainless steel casing pipe with 13-3/8 inch outer diameter and 54.5 lb/ft weight, made from L-80 Type 13Cr material for corrosion resistance in sour gas environments. It falls under HTS 7304.24.40 as other stainless steel casing used in oil and gas drilling, distinct from tubing or drill pipe. The seamless construction and specific dimensions suit intermediate casing strings in deviated wells.
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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 designed primarily for fluid circulation during drilling
Tubing for pumping oil/gas falls under 'tubing' subheading, while casing lines and protects the wellbore.
If welded rather than seamless
Welded stainless steel casing for oil/gas drilling is classified under welded pipes in heading 7306.
If made of non-stainless alloy steel
Similar casing of other alloy steel (not stainless) moves to the non-stainless subheading 7304.29.
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Import Tips & Compliance
• Verify API 5CT certification and provide mill test reports (MTRs) confirming seamless stainless steel composition and L-80 grade
• Ensure proper marking of OD, weight, grade, and connection type per API standards to avoid reclassification during customs exam
• Obtain end-user statements if needed to distinguish casing from tubing, preventing misclassification to 7304.24.50
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