Cold-Drawn MP35N High-Strength Alloy Tubing

Seamless cold-drawn MP35N (UNS R30035) cobalt-nickel-chromium-moly alloy steel tubing for oilfield wireline tools, thin circular wall. HTS 7304.51.50.60 other cold-rolled seamless alloy steel. Extreme strength alloy.

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.

8112.99Lower: 14% vs 35%

If cobalt alloys dominant

High cobalt MP35N may classify under cobalt Chapter 81.

8431.20.00.00Same rate: 35%

If wireline tool parts

Specific oilfield wireline components as parts.

7306.30.10Same rate: 35%

If welded high-pressure

Welded versions under other 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

AMS 8847 or NACE specs for high-strength verification

Cobalt content declaration careful to avoid Chapter 81 rare metals

Wireline end-use letters prevent general tube classification

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