Incoloy 800 Welded Pressure Tube 100 mm OD
Welded Incoloy 800 (UNS N08800) alloy steel tube for high-temperature service, 100 mm OD, 2.5 mm wall thickness. Fits HTS 7306.50.5050 as other alloy steel, welded, circular, thick-walled, ≤114.3 mm OD. Applied in heat exchangers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily nickel-based alloy
High nickel content shifts to Chapter 72 nickel alloy tubes.
If wall thickness <1.65 mm
Thin-wall variants in separate statistical suffix.
If imported as heat exchanger parts
Machinery-specific classification under Chapter 84.
Not sure which classification is right?
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Import Tips & Compliance
• Use NIST-traceable dimensional inspections for OD/wall measurements
• Declare as 'other alloy steel' not nickel alloy to avoid Chapter 72 reclassification
• Watch for country-of-melt rules triggering Section 232 tariffs on steel
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