Cold-Rolled Hastelloy C-276 Seamless Tube
Seamless cold-rolled tube made from Hastelloy C-276 high-nickel alloy steel (57% nickel), offering exceptional resistance to pitting and stress corrosion. Commonly used in flue gas desulfurization systems. Classified in 7304.41.60.05 for its cold-formed seamless stainless structure of high-nickel composition.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other stainless steel grades, not high-nickel
Non-high-nickel stainless seamless tubes fall under broader cold-drawn stainless category.
If hollow bars over 16mm cross-section
Chapter 72 covers semi-finished hollow products exceeding wire dimensions.
If parts of chemical processing machinery
Functional integration into equipment moves classification to machinery parts.
Not sure which classification is right?
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Import Tips & Compliance
• Require chemical analysis reports proving high-nickel content; alloys below threshold reclassify to general stainless provisions
• Specify outer diameter and wall thickness in commercial invoices to distinguish from structural pipes
• Verify cold-reduction process certification to avoid confusion with hot-finished tubes under 7304.41.20
Related Products under HTS 7304.41.60.05
Cold-Drawn Incoloy 825 Seamless Pipe
A seamless tube of Incoloy 825, a high-nickel alloy steel (over 38% nickel), cold-drawn for precision dimensions and smooth surface finish. Used in chemical processing for its corrosion resistance in acidic environments. Falls under HTS 7304.41.60.05 due to its seamless construction, circular cross-section, cold-formed process, and high-nickel stainless steel composition.
Inconel 625 Cold-Drawn Seamless Pipe
Precision cold-drawn seamless pipe from Inconel 625 alloy (58% nickel), designed for high-temperature aerospace and marine applications. Provides oxidation resistance up to 980°C. Meets HTS 7304.41.60.05 as cold-formed, circular cross-section, high-nickel stainless steel tubing.
Monel 400 Cold-Rolled Seamless Tube
Cold-rolled seamless tube of Monel 400 high-nickel alloy (67% nickel), resistant to seawater and acids for marine engineering. Features thin walls for instrumentation. HTS 7304.41.60.05 applies to its cold-formed stainless high-nickel seamless profile.
Alloy 20 Cold-Drawn Seamless Pipe
Seamless cold-drawn pipe from Carpenter 20Cb-3 alloy (high-nickel at 32-38%), used in sulfuric acid handling due to chloride stress resistance. Precision tolerances for pump columns. Classified under 7304.41.60.05 for cold-formed high-nickel stainless seamless tubes.
Incoloy 800H Cold-Rolled Seamless Tube
Cold-rolled seamless tubing of Incoloy 800H (30-35% nickel), solution-annealed for elevated-temperature strength in petrochemical heaters. Thin-wall construction for heat transfer. HTS 7304.41.60.05 covers its high-nickel alloy seamless cold-formed design.
Hastelloy X Cold-Drawn Seamless Pipe
Cold-drawn seamless pipe from Hastelloy X (47% nickel), aged-hardenable for gas turbine combustion zones. Withstands thermal cycling to 1200°C. Fits 7304.41.60.05 as cold-formed high-nickel stainless circular tube.