J55 Intermediate Casing 9 Inch 40 ppf
9-inch (228.6 mm) OD J55 seamless casing, 40 lb/ft weight corresponding to 13.8 mm wall, coupled with premium threads. Used for intermediate protection in deviated wells. Fits 7304.29.1040 precisely: nonalloy, seamless, threaded/coupled, correct size and thickness.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If line pipe for oil/gas transport
If used for flowlines post-drilling rather than well casing, classifies as line pipe.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Hydrostatic test certificates mandatory—minimum 80% yield strength proof
• Avoid bulk packing; use steel racks to prevent ovality during transit
• Declare as 'casing for oil/gas' explicitly to distinguish from line pipe (7304.90)
Related Products under HTS 7304.29.10.40
API 5CT J55 Casing Pipe 9-5/8 Inch 43 ppf
Seamless steel casing pipe made of J55 grade nonalloy steel, with 9-5/8 inch outside diameter (244.5 mm), 43 pounds per foot weight, and wall thickness of 14.0 mm. Used to line oil and gas wells during drilling, threaded and coupled for secure connections. Falls under HTS 7304.29.1040 due to its seamless construction, nonalloy steel material, specified diameter range, and thick wall exceeding 12.7 mm.
L80 Casing Tube 10-3/4 Inch 51 ppf
Seamless L80 nonalloy steel casing with 10-3/4 inch (273 mm) OD, 51 lb/ft weight, and 15.2 mm wall thickness, threaded and coupled. Designed for intermediate casing strings in oil/gas wells to stabilize boreholes. Classified in 7304.29.1040 for nonalloy seamless casing in the 215.9-285.8 mm OD range with thick walls.
N80 Casing Pipe 8-5/8 Inch 32 ppf Thick Wall
Heavy-duty N80 grade seamless casing pipe, 8-5/8 inch (219.1 mm) OD just exceeding 215.9 mm minimum, 32 lb/ft with 13.5 mm wall thickness, threaded ends. Used in high-pressure oil/gas production zones. Meets HTS 7304.29.1040 criteria for thick-walled, coupled seamless nonalloy casing in specified diameter.
K55 Surface Casing 13-3/8 Inch 54.5 ppf
K55 nonalloy seamless surface casing, 10-3/4 inch (273 mm) OD, 54.5 lb/ft, 16.0 mm wall thickness, BTC threaded and coupled. Installed as first string to prevent collapse in shallow well sections. HTS 7304.29.1040 for thick wall oil/gas casing specs.
N80 Production Casing 7-5/8 Inch 26.4 ppf Heavy
N80 seamless production casing 9-5/8in (244.5mm), 36ppf, 12.8mm wall, VAM threaded coupled. For lower completion in producing zones. Exact match for HTS 7304.29.1040 thick wall subheading.