20 Inch Conductor Casing Threaded Joints
Large 20-inch conductor casing with integral threaded couplings, nonalloy steel for initial oil well hole stabilization. Welded open-seam profile. Fits 7306.29.10 as threaded iron/nonalloy steel for drilling.
Import Duty Rates by Country of Origin
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 alloy steel construction
Alloy steel conductor casing moves to 7306.50 based on steel type.
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
• For large diameters, ensure transport docs specify bundle counts and protective coatings
Related Products under HTS 7306.29.10
4-1/2 Inch Intermediate Casing Coupled
Slim 4-1/2 inch intermediate casing, J55 grade with flush threaded couplings for mid-depth oil well support. Nonalloy welded steel. Classified in 7306.29.10 for threaded drilling casing.
16 Inch Surface Casing API Threaded
16-inch surface casing with API 8-round threads and couplings, nonalloy steel for shallow well protection. Essential first string in drilling. 7306.29.10 for threaded/coupled type.
10-3/4 Inch H40 Coupled Casing String
H40 grade 10-3/4 inch casing string, fully threaded and coupled for oilfield use. Lower yield strength nonalloy steel. Under 7306.29.10 as welded threaded casing.
Premium LTC Threaded Casing 8-5/8 Inch
8-5/8 inch casing with Long-Threaded and Coupled (LTC) connections, N80 nonalloy steel for reliable seals. Welded for drilling ops. 7306.29.10 classification.
C-90 Grade Threaded Oil Casing 12-1/4 Inch
C-90 grade nonalloy casing, 12-1/4 inch with integral threaded ends for oil production. High collapse resistance. Fits threaded 7306.29.10.
5-1/2 Inch L80 Type 9 Cr Casing Coupled
Restricted alloy L80 Type 9 Cr (9% chromium) casing, but nonalloy base, 5-1/2 inch threaded. For sour service wells. 7306.29.10 if confirmed nonalloy.