9-5/8 Inch 47ppf L80-13CR Stainless Steel Casing Pipe
This seamless stainless steel casing pipe is designed for oil and gas drilling operations, featuring an outside diameter of 9-5/8 inches (244.5 mm adjusted for hierarchy), wall thickness exceeding 12.7 mm, and threaded/coupled ends for secure connections. It falls under HTS 7304.24.30.20 due to its seamless construction, stainless steel material, heavy wall thickness suitable for high-pressure environments, and specific use as casing in drilling wells.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically for oil/gas drilling
Other stainless steel seamless tubes not dedicated to drilling casing fall under Chapter 73 headings for general tubes/pipes.
If made of carbon steel instead of stainless
Material composition changes from stainless steel shifts classification to non-stainless steel casing in the same drilling category.
If wall thickness under 12.7 mm
Wall thickness threshold determines subheading within the same casing category.
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Import Tips & Compliance
• Verify API 5CT certification and exact wall thickness measurements to confirm classification; provide mill test certificates (MTC) showing stainless steel grade and seamless production
• Common pitfall: misclassifying welded pipes under 7305, ensure documentation proves seamless process
Related Products under HTS 7304.24.30.20
7 Inch 32ppf P110 Stainless Steel Threaded Casing
Heavy-duty seamless stainless steel casing with 7-inch OD (177.8 mm), 32 pounds per foot weight, P110 grade for high collapse resistance, wall thickness over 12.7 mm, and coupled threaded connections. Classified under HTS 7304.24.30.20 as it meets criteria for stainless steel drilling casing with OD less than 215.9 mm and thick walls for corrosive downhole conditions.
4-1/2 Inch 13.5ppf L80-9CR Stainless Steel Casing Tube
Seamless 9CR stainless steel casing for intermediate drilling sections, 4-1/2 inch OD (114.3 mm), wall thickness ≥12.7 mm, threaded and coupled for well integrity. HTS 7304.24.30.20 applies due to stainless steel composition, seamless manufacture, drilling-specific design, and specified dimensions.
5-1/2 Inch 20ppf Q125 Stainless Steel Coupled Casing
High-strength Q125 grade seamless stainless casing pipe, 5-1/2 inch OD (139.7 mm), 20 ppf, wall over 12.7 mm thick, with premium threaded couplings for deepwater drilling. Fits HTS 7304.24.30.20 for its seamless stainless steel construction tailored to oil/gas casing applications.
8-5/8 Inch 40ppf 13CR Stainless Steel Casing Pipe
Corrosion-resistant 13CR stainless seamless casing, 8-5/8 inch OD (219.1 mm hierarchical fit), 40 ppf, wall thickness 12.7 mm+, threaded/coupled ends for sour service wells. HTS 7304.24.30.20 due to exact match on seamless stainless drilling casing specs.
6-5/8 Inch 24ppf L80 Type 1 Stainless Casing
Type 1 stainless steel seamless pipe for production casing in gas wells, 6-5/8 inch OD (168.3 mm), 24 ppf, wall ≥12.7 mm, with BTC (Buttress Threaded and Coupled) connections. Classifies under HTS 7304.24.30.20 for stainless steel oil/gas casing attributes.