Inconel 625 Alloy C-92 15 inch Oilfield Casing

Seamless Inconel 625 (Alloy C-92) premium casing with 15-inch (381 mm) OD and 14 mm wall thickness for extreme temperature/high-pressure wells. Nickel-chromium alloy provides unmatched corrosion resistance. Classified in 7304.24.40.60 as stainless steel drill casing.

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.

7304.41.30Lower: 17.5% vs 35%

If cold-drawn or cold-rolled rather than hot-finished

Processing method determines classification between hot-finished (7304.24) and cold-worked tubes.

7506.20Lower: 12.5% vs 35%

If predominantly nickel-based rather than iron-based stainless

High nickel alloys (Inconel) may classify under Chapter 75 nickel products if iron content insufficient.

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

Verify minimum chromium content meets stainless steel definition (10.5% per Chapter 73 Note 1)

Premium alloys require manufacturer's test certificate traceable to individual joint numbers