24 Inch Low Pressure Conductor Casing
24-inch low-pressure conductor casing threaded for shallow water offshore drilling. Extra-large diameter non-alloy steel welded pipe with couplings. 7306.29.10.90 covers oversized threaded oil/gas casing.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other large diameter welded pipe
General large welded pipes under 7305 if not drilling-specific.
If seamless low-pressure conductor
Seamless versions for low-pressure applications under 7304.
If pre-installed in jack-up rigs
Floating/sinking drilling structures include pre-fitted casing.
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
• Extra-large diameters require project-specific import permits
• Low-pressure ratings must match pipe specs exactly
• Conductor-only use prevents structural steel misclassification
Related Products under HTS 7306.29.10.90
API 5CT J55 Threaded Steel Oil Well Casing
Threaded and coupled steel casing pipe made from J55 grade non-alloy steel, used to line oil and gas wells during drilling operations. It meets API 5CT specifications for strength and pressure resistance in drilling applications. Classified under 7306.29.10.90 as other threaded or coupled casing of iron or nonalloy steel for oil/gas drilling.
13-3/8 Inch N80 Type 1 Threaded Casing
Heavy-duty 13-3/8 inch N80 Type 1 non-alloy steel casing with premium threaded couplings for surface and conductor applications in gas wells. Welded construction per API standards for high-pressure environments. HTS 7306.29.10.90 covers this as other threaded casing for drilling.
10-3/4 Inch P110 Threaded and Coupled Casing
High-strength P110 grade 10-3/4 inch casing with VAM threaded couplings for deep, high-pressure oil and gas wells. Non-alloy steel welded pipe per API 5CT for liner applications. HTS 7306.29.10.90 applies to other threaded/coupled nonalloy casing.
4-1/2 Inch Production Tubing Casing Alternative
4-1/2 inch J55 threaded casing used as liner in slimhole oil wells, coupled with EUE threads. Non-alloy steel welded pipe serving dual casing/tubing role in drilling. HTS 7306.29.10.90 for threaded oil/gas casing of iron/nonalloy steel.
16 Inch Intermediate Casing Threaded Steel
16-inch N80 intermediate casing with LTC (Long Threaded and Coupled) connections for oil well protection against collapse. Welded non-alloy steel API 5CT pipe. Classified under 7306.29.10.90 as other threaded casing for drilling.
8-5/8 Inch Surface Casing Pipe Coupled
8-5/8 inch K55 surface casing threaded and coupled for shallow oil well sections, providing initial borehole stability. Non-alloy steel welded with STC connections per API. 7306.29.10.90 covers other threaded/nonalloy drilling casing.