Carpenter 20Cb-3 Seamless Pipe

Seamless pipes from Carpenter 20Cb-3, high-nickel stainless alloy steel (32-38% nickel), corrosion-resistant for sulfuric acid plants. Classified 7304.49.00.05 for seamless high-nickel stainless circular profile.

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.

7306.40.50Same rate: 35%

If welded construction

Equivalent welded high-nickel pipes under welded tube headings.

Not sure which classification is right?

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Import Tips & Compliance

Provide B463 spec sheets confirming 20Cb-3 high-nickel composition

Declare outer diameter precisely—oversized may hit different statistical breaks

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