X65 Alloy Steel Seamless Line Pipe
High-strength seamless pipe of X65 alloy steel grade for natural gas pipelines, featuring 3.5-inch (88.9 mm) outside diameter and thick walls for pressure resistance. Used in midstream oil and gas infrastructure. Falls under HTS 7304.19.5020 as other alloy steel line pipe with OD ≤114.3 mm.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made of carbon steel rather than alloy
Carbon steel line pipes are classified under 7304.39, excluding those with significant alloying elements.
If imported as part of a gas compressor set
When supplied as assembled components for machinery, classification shifts to the complete machine heading.
If of round cross-section only, excluding square/rectangular profiles
Strictly round profiles have a separate provision earlier in the tariff.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Obtain third-party inspection certificates confirming seamless manufacture; watch for alloy element declarations (e.g
• molybdenum); avoid mixing with welded pipes to prevent misclassification
Related Products under HTS 7304.19.50.20
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alloy-steel-seamless-oil-line-pipe-100mm
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