Sour Gas Service Carbon Steel Line Pipe
Nonalloy steel welded pipe certified for sour gas (H2S) service in natural gas pipelines. HTS 7306.19.10 covers this as iron/nonalloy line pipe for gas transport. Includes normalized heat treatment for toughness.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general purpose welded pipe
Lack of specific oil/gas pipeline designation leads to 'other' welded pipes.
If having circular cross section over 406 mm
Size-based statistical break for larger line pipes.
If part of drilling rig equipment
Machinery parts for oil/gas extraction fall under Chapter 84.
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Import Tips & Compliance
• Certify compliance with NACE standards via material safety data sheets
• Declare precise carbon equivalent (CE) value to confirm nonalloy classification
• Separate coated vs uncoated pipes in entries, as coatings may trigger different AD/CVD
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