Inconel 625 Seamless Alloy Tube for Chemical Processing
Seamless tube of Inconel 625 nickel-chromium-molybdenum alloy with wall ≥4 mm, resistant to corrosive chemicals. Under HTS 7304.90.30.00 for its seamless, thick-walled alloy steel (high alloy) form used in reactors and piping.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If qualifying as stainless steel
If Cr≥10.5%, classifies as seamless stainless tubes under 7304.41.
If for welded Inconel versions
Welded high-alloy tubes go to 7306.50 for other welded alloy pipes.
If as part of chemical machinery
Integrated into reactors or evaporators, becomes machinery part.
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Import Tips & Compliance
• Provide chemical analysis confirming Inconel 625 specs (Ni>50%, Cr 20-23%)
• Wall thickness gauged post-production; retain QA records
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