18-5/8 Inch Welded Threaded Casing
Extra-large 18-5/8 inch welded casing with threaded couplings, J55 nonalloy for conductor applications. 7306.29.10 threaded category.
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 heavy-walled non-drilling
May shift if not proven for oil/gas drilling end use.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Oversize loads require special permits; note dimensions in advance shipping docs
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.