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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If iron content dominates over nickel
Iron-nickel alloys with <45% Ni classify as stainless steel under Chapter 73.
If imported with attached flanges or couplings
Tube/pipe fittings of nickel alloys are in separate heading 7507.20, not tubes.
If part of chemical processing machinery
Assembled machinery parts shift to Chapter 84/85 functional classifications.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Certify alloy meets ASTM B464 standards with heat number traceability for customs validation
• Separate documentation for welded vs seamless to correctly apply duty subheadings if applicable
• Monitor Section 232 tariffs that may apply to certain alloy imports based on origin
Related Products under HTS 7507.12.00.00
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.
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.
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.