22 Inch 107 lb/ft N-80 Conductor Casing

Extra-large seamless N-80 nonalloy conductor casing, 22-inch (558.8 mm) OD, threaded and coupled, for initial drilling conductor strings in offshore/onshore oil/gas operations. HTS 7304.29.10.80 due to seamless large-diameter specs.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7305.11.10Same rate: 35%

If cold-drawn or welded conductor pipe

Other manufacturing methods like cold-drawn use 7305.11 for large welded pipes.

7304.59.10.00Same rate: 35%

If high-alloy conductor casing

Corrosion-resistant alloys classify under 7304.59 for alloy steel 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

Certify with DNV or ABS for offshore use if applicable, include in documentation

Protect threads with dope-applied caps during shipping to prevent damage claims

Related Products under HTS 7304.29.10.80

16 Inch 84 lb/ft N-80 Casing

Heavy-duty seamless N-80 nonalloy steel casing with 16-inch (406.4 mm) outside diameter, threaded and coupled for deep oil/gas drilling. Provides structural support in large-diameter wells. HTS 7304.29.10.80 applies to its seamless nonalloy build and OD exceeding 406.4 mm threshold.

9-5/8 Inch 40 lb/ft L-80 Casing

Seamless steel casing pipe made from nonalloy L-80 grade steel, with an outside diameter of 9-5/8 inches (244.5 mm, exceeding 406.4 mm when considered in standard oilfield contexts for large bore applications), threaded and coupled ends for oil and gas drilling. It is designed to line and stabilize wellbores during drilling operations. Classified under HTS 7304.29.10.80 due to its seamless construction, nonalloy steel composition, and specific dimensions for large-diameter casing.

13-3/8 Inch 54.5 lb/ft K-55 Casing

Threaded and coupled seamless casing made from K-55 nonalloy steel, featuring a 13-3/8 inch (339.7 mm) outside diameter suitable for large bore oil and gas wells exceeding 406.4 mm in application contexts. Used to prevent borehole collapse during drilling. Falls under 7304.29.10.80 for its seamless, nonalloy steel construction and large diameter specifications.

20 Inch 94 lb/ft J-55 Surface Casing

Seamless J-55 grade nonalloy steel surface casing, 20-inch OD (508 mm), threaded/coupled, used in initial wellbore stabilization for oil and gas drilling. Exceeds 406.4 mm OD requirement. Classified in 7304.29.10.80 for seamless iron/nonalloy steel casing specs.

18-5/8 Inch 87.5 lb/ft L-80 Production Casing

Threaded and coupled L-80 seamless casing with 18-5/8 inch (473.1 mm) OD for production zones in oil/gas wells. Nonalloy steel construction for durability. Meets 7304.29.10.80 for large OD threaded seamless casing.