Inconel 625 Seamless Pipe
A high-performance seamless pipe made from Inconel 625 nickel-chromium-molybdenum alloy, designed for extreme corrosion resistance in chemical processing and aerospace applications. It falls under HTS 7507.12.00.00 as a tube or pipe specifically of nickel alloys, excluding those for specific uses like boilers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing less than 45% nickel by weight
Pipes of iron or steel alloys with lower nickel content shift to Chapter 73 stainless steel headings.
If specifically for aircraft gas turbine engines
End-use in aviation engines qualifies for Chapter 84 machinery parts exclusion from base Chapter 75.
If imported as unfinished bar stock rather than tubular form
Unwrought or bar forms of nickel alloys are classified earlier in Chapter 75, not as tubes/pipes.
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Import Tips & Compliance
• Obtain mill test certificates verifying nickel alloy composition to meet HTS classification requirements
• Ensure proper documentation of alloy specs (e.g
• ASTM B444) to avoid reclassification as base metal pipes
• Declare seamless vs welded construction accurately, as it impacts valuation and potential anti-dumping duties
Related Products under HTS 7507.12.00.00
Hastelloy C-276 Welded Tube
Welded tubing from Hastelloy C-276 nickel-molybdenum-chromium alloy, ideal for handling highly corrosive acids in pharmaceutical and pollution control equipment. Classified under HTS 7507.12.00.00 for nickel alloy tubes and pipes used in demanding industrial settings.
Monel 400 Seamless Tube
Seamless tube crafted from Monel 400 nickel-copper alloy, widely used in marine engineering and desalination plants for its excellent seawater resistance. This product is categorized under HTS 7507.12.00.00 as nickel alloy tubing.
Alloy 20 Nickel Pipe
Schedule 40 pipe made from Carpenter 20Cb-3 nickel-iron-chromium alloy, suited for sulfuric acid handling in chemical industries. Falls under HTS 7507.12.00.00 due to its nickel alloy base composition.
Incoloy 825 Welded Pipe
Welded pipe from Incoloy 825 nickel-iron-chromium alloy with molybdenum and copper, used in oil & gas sour service environments. Classified as nickel alloy pipe under HTS 7507.12.00.00.
Nickel 200 Seamless Tube
Commercially pure Nickel 200 seamless tubing for food processing and electronics, offering high thermal conductivity and alkali resistance. HTS 7507.12.00.00 covers such pure nickel alloy tubes/pipes.
C-22 Hastelloy Pipe
Hastelloy C-22 nickel-chromium-molybdenum-tungsten alloy pipe for flue gas desulfurization and pulp bleaching. This superalloy pipe is under HTS 7507.12.00.00 for nickel alloy tubes.