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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If further worked beyond cold-drawing, like heat-treated
Advanced processing beyond cold-rolled moves to Chapter 72 for other bars/rods of high-nickel alloys.
If standard stainless steel, not high-nickel alloy
Standard austenitic stainless (e.g., 304/316 with <20% Ni) classifies under lower duty provisions.
If imported as heat exchanger tube assemblies
When assembled into functional heat exchanger parts, shifts to machinery Chapter 84.
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Import Tips & Compliance
• Obtain mill test certificates verifying high-nickel alloy composition (e.g
• >38% Ni) to confirm classification under 7304.41.60.05
• Ensure documentation specifies cold-drawn process and seamless nature; mislabeling as welded may shift to Chapter 73 heading 7306
• Check country-of-origin rules as high-nickel alloys often face anti-dumping scrutiny from producers like Japan or Europe
Related Products under HTS 7304.41.60.05
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.
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.