Cold-Rolled 904L Super Austenitic Pressure Tubing

Cold-rolled seamless 904L (UNS N08904) low-carbon high alloy austenitic steel tubing for pharmaceutical processing, circular profile under 16mm. 7304.51.50.60 for other cold-formed alloy seamless tubes.

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.

7304.41.60Lower: 17.5% vs 35%

If standard stainless treatment

904L frequently classified under stainless tube provisions.

7309.00.00Same rate: 35%

If reservoir tanks

If formed into pressure vessels, tank provisions apply.

7229.20.00Same rate: 35%

If not cold-worked

Annealed or hot-finished under other alloy bars.

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

2.46% Mo content certs distinguish from 316L stainless

ASME BPE surface finish specs for sanitary applications

USP Class VI biocompatibility docs for pharma end-use

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