Uranus B6 Stainless Perforating Gun Tubing

Seamless Uranus B6 (UNS S41000) stainless tubing for oil well perforating gun carriers, OD 50.8 mm, wall 5.2 mm. Classifies under 7304.24.60.15 as stainless seamless drill tubing meeting oil/gas dimensional criteria.

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 other alloy steel welded

Welded alloy tubes for similar high-pressure use classify separately.

9305.10.40Lower: 21.7% vs 35%

If complete perforating gun

Assembled perforating guns with charges classify as ammunition.

7304.51.10Same rate: 35%

If cold-formed from plate

Cold-formed tubes (not hot-worked seamless) have distinct classification.

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

Document through-wall burst pressure exceeding 15,000 psi

Precision OD tolerance ±0.5% certification for gun carrier fit

Avoid 'capillary tubing' declaration which implies different pressure class

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