22 inch 163 lb/ft Proprietary Alloy Casing

Custom proprietary alloy steel seamless casing for extreme HPHT wells, 22-inch OD, 163 lb/ft, fully threaded and torque-coupled. HTS 7304.29.31.80 for large-diameter seamless alloy drilling casing. Features advanced metallurgy for ultra-deep applications.

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 spiral welded

Spiral welded casing uses 7305.11 for welded steel tubes.

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

Submit proprietary alloy chemical analysis; obtain advance ruling for custom grades

Avoid bulk import without joint reports

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