API 5CT L80 Welded Stainless Steel Casing
Welded stainless steel casing pipe conforming to API 5CT L80 specifications, designed for oil and gas drilling operations to line and support well bores. It features a seamless-like weld for high-pressure environments and corrosion resistance typical of stainless steel grades like 304 or 316. Classified under 7306.21.40.00 as welded stainless steel casing, other than having circular cross sections over 406.4 mm or other specific exclusions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If seamless construction
Seamless stainless steel casing shifts to Chapter 73 heading 7304 for seamless tubes/pipes used in oil/gas drilling.
If made of other alloy steel, not stainless
Non-stainless alloy steel welded casing falls under 7306.40 for other alloy steel types in drilling applications.
If imported as part of a complete drilling tubular set
When sold and imported as a set with tubing or accessories for drilling, it may classify under provisions for assembled sets.
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Import Tips & Compliance
• Obtain API 5CT certification and mill test reports (MTRs) to verify material grade and weld integrity, required for customs and end-use compliance
• Declare exact stainless steel alloy (e.g
• 304, 316) on entry documents to avoid reclassification; provide chemical composition analysis
• Check for anti-dumping duties on stainless steel from specific countries like China; use bonded warehouses for duty deferral during inspection
Related Products under HTS 7306.21.40.00
9-5/8 Inch 316L Stainless Steel Welded Casing
9-5/8 inch outer diameter welded stainless steel 316L casing pipe for intermediate casing strings in oil and gas wells, providing corrosion resistance in sour gas environments. Welded construction with premium connections for structural support during drilling. Falls under HTS 7306.21.40.00 as other welded stainless steel casing for drilling.
13-3/8 Inch N80-Type Welded Stainless Casing
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4-1/2 Inch 13Cr Welded Stainless Casing
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