API 5L Grade X65 LSAW Alloy Steel Line Pipe
This longitudinally submerged arc welded (LSAW) line pipe is made from alloy steel and conforms to API 5L Grade X65 specifications, featuring a circular cross-section with an external diameter exceeding 406.4 mm. It is designed specifically for high-pressure oil and gas pipelines, ensuring strength and durability in demanding subsurface environments. Classified under HTS 7305.11.50.00 due to its alloy steel composition, LSAW construction, and use in oil/gas line pipe applications.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically for oil/gas pipelines
Pipes of alloy steel with OD >406.4 mm not designated for line pipe use fall under general casing/tubing headings.
If externally diameter ≤406.4 mm
Dimension threshold shifts classification to other welded alloy steel pipes in Chapter 73 heading 7306.
If made of carbon steel instead of alloy steel
Material composition determines the subheading; carbon steel LSAW line pipes use 7305.12 instead of alloy steel 7305.11.
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Import Tips & Compliance
• Verify API 5L certification and mill test reports (MTRs) to confirm alloy steel composition and compliance with ASTM A671/A672 standards
• Provide detailed documentation on external diameter (>406.4 mm) and wall thickness to avoid misclassification as smaller pipes under 7306
• Check country-of-origin rules under USMCA or other FTAs, as alloy steel pipes often qualify for duty reductions if sourced from qualifying nations
Related Products under HTS 7305.11.50.00
X70 Alloy Steel LSAW Pipeline Tube
High-strength X70 grade alloy steel tube produced via longitudinal submerged arc welding, with external diameter over 16 inches (406.4 mm), tailored for natural gas transmission lines. Its alloy composition provides superior yield strength for deepwater and high-pressure applications. Falls under HTS 7305.11.50.00 as LSAW line pipe of alloy steel for oil/gas pipelines.
ASTM A691 Alloy Steel LSAW Line Pipe
Longitudinally submerged arc welded pipe per ASTM A691 specifications, made from alloy steel grades like 1-1/4Cr, with OD exceeding 406.4 mm for sour gas service in oilfield pipelines. The alloy enhances corrosion resistance in harsh environments. HTS 7305.11.50.00 applies to its LSAW construction and alloy steel line pipe designation.
Grade L485 Alloy Steel LSAW Oil Pipeline
ISO 3183 L485 grade alloy steel pipe, longitudinally submerged arc welded, external diameter 24-48 inches for crude oil trunklines. Provides enhanced toughness for arctic and seismic-prone pipeline routes. Classified in 7305.11.50.00 for alloy LSAW line pipe.
High-Yield X80 LSAW Alloy Line Pipe
X80 high-yield strength alloy steel line pipe, LSAW fabricated with circular cross-section >406.4 mm OD for long-distance gas pipelines. Alloying elements improve fracture toughness for extreme conditions. HTS 7305.11.50.00 due to alloy steel LSAW line pipe specs.
Sour Service Alloy LSAW Gas Line Pipe
Alloy steel LSAW pipe engineered for sour (H2S-containing) gas service, with >16-inch OD and PSB-resistant microstructure per API 5L Annex H. Used in petrochemical gathering lines. Fits 7305.11.50.00 as large-diameter alloy LSAW line pipe.