</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+75.0%75%
🇲🇽MexicoFree+50.0%50%
🇨🇦CanadaFree+50.0%50%
🇩🇪GermanyFree+50.0%50%
🇯🇵JapanFree+50.0%50%

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.

7304.39.00Same rate: 75%

If seamless surface casing

Seamless versions classify in 7304 even for identical drilling applications.

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

Use protective thread caps during shipping to prevent damage claims at customs

Differentiate from OCTG line pipe by specifying 'casing' not 'tubing' in descriptions