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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If bulk imported for further welding into systems
Semi-finished steel alloy pipes for threading/welding go to Chapter 73 unfinished headings.
If components for heat exchanger assemblies
Machinery-specific tubes classify under Chapter 84 if designed for particular equipment.
Not sure which classification is right?
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Import Tips & Compliance
• Require NACE MR0175 certification for sour gas applications to support end-use declarations
• Use detailed packing lists specifying schedule/thickness to prevent under-valuation claims
• Verify exporter's alloy melting process complies with US content rules for duty preferences
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.
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Alloy 20 Nickel Pipe
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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.