Inconel 625 Welded High-Nickel Pipe
Welded pipe from Inconel 625 superalloy (high-nickel stainless), wall thickness 1.65 mm or more, for aerospace ground support and power generation. HTS 7306.40.50.05 covers its welded, circular, thick-walled high-nickel steel construction.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If seamless cold-drawn
Cold-formed seamless high-nickel tubes classify under 7304.41 for precision applications.
If standard 300-series stainless
Similar welded thick-wall pipes but standard stainless go to 7306.50.
If for turbojet/turboprop parts
High-nickel tubes for aircraft engines shift to Chapter 84 machinery parts.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Use ASTM specs (e.g
• B366 for weldability) in entry docs to validate classification
• Measure cross-section to ensure no dimension ≤16 mm, per chapter wire exclusion
• Watch for quota restrictions on high-nickel alloys; pre-verify with CBP rulings
Related Products under HTS 7306.40.50.05
Incoloy 825 Welded Stainless Steel Pipe
Welded circular stainless steel pipe made from high-nickel Incoloy 825 alloy, with wall thickness exceeding 1.65 mm, used in chemical processing for corrosion resistance. Classified under HTS 7306.40.50.05 due to its high-nickel alloy steel composition, welded construction, and specified dimensions. Meets chapter definition for other tubes and pipes of iron or steel.
Hastelloy C-276 Welded Tube
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