Duplex 2205 Stainless Welded Gas Line Pipe 18 Inch
Corrosion-resistant duplex 2205 stainless steel welded pipe with 457.2 mm OD, engineered for natural gas pipelines in harsh environments. It qualifies for HTS 7306.11.00.50 as a welded, large-diameter stainless steel line pipe for gas transport.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for industrial process applications beyond pipelines
Other stainless steel tubes not for oil/gas pipelines go to 7306.40 subheadings.
If produced seamlessly
Duplex seamless pipes are under seamless stainless tube heading 7304.39.
If designed as gas turbine casing components
End-use in machinery like turbines reclassifies to Chapter 84 machinery parts.
Not sure which classification is right?
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Import Tips & Compliance
• Submit chemical composition analysis confirming duplex stainless grades to Customs for verification
• Avoid bulk packaging confusion—specify retail lengths vs coils to stay in finished pipe category
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