Schedule 40 Carbon Steel Gas Line Pipe 3-inch
Schedule 40 welded carbon steel pipe, 76.1 mm OD, standard for low-pressure natural gas distribution lines. Falls under HTS 7306.19.10.10 as nonalloy line pipe for gas pipelines with qualifying diameter. Compliant with ASTM A106 for welded equivalents.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If threaded or coupled at both ends
Fittings like threaded pipe fittings classified under 7307.
If seamless and for boilers
Boiler/pressure tube use with seamless make changes heading.
If imported as part of heat exchangers
Machinery-specific tubes go to Chapter 84.
Not sure which classification is right?
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Import Tips & Compliance
• ASTM/ANSI markings must be visible; customs inspects for standard compliance
• For distribution lines, differentiate from transmission with pressure ratings <689 bar
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