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.
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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.
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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
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