Sour Service Alloy Steel Line Pipe
Alloy steel welded pipe (24-inch OD) resistant to H2S corrosion for sour gas pipelines. HTS 7305.19.5000 covers its large circular cross-section and alloy composition for oil/gas line pipe use.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If seamless sour service pipe
Manufacturing process (seamless vs welded) dictates 7304 heading.
If industrial process piping
Same pipe for refinery process lines (not transmission) becomes 7306 other tube.
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Import Tips & Compliance
• Certify per NACE TM0177 for sour service to support end-use as line pipe
• Label clearly as 'alloy steel'—Customs tests for elements like Ni, Mo
Related Products under HTS 7305.19.50.00
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