12-inch Stainless Steel API 5L Line Pipe
Seamless stainless steel line pipe with 12-inch (304.8 mm) outside diameter, designed specifically for oil and gas pipelines per API 5L standards. It falls under HTS 7304.11.0050 due to its seamless construction, stainless steel material, and diameter between 114.3 mm and 406.4 mm, optimized for high-pressure hydrocarbon transport.
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 non-stainless alloy steel
Line pipes of iron/steel other than stainless steel shift to 7304.19, changing the material-based subheading while keeping seamless line pipe classification.
If used for drilling casings rather than pipelines
Pipes for oil/gas well drilling (casing/tubing) classify under 7306 based on end-use, distinct from line pipe for transport pipelines.
If welded instead of seamless
Welded line pipes of circular stainless steel cross-section move to 7304.41, as the seam welding process determines the primary heading.
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Import Tips & Compliance
• Verify API 5L certification and mill test reports (MTRs) for compliance with pipeline standards; U.S. buyers often require these for DOT approval
• Ensure accurate diameter measurement and seamless confirmation via NDT reports to avoid misclassification to welded pipes in 7305
• Label with stainless steel grade (e.g
• 304/316) and provide country-of-melt documentation to meet Buy America provisions for infrastructure projects
Related Products under HTS 7304.11.00.50
16-inch OD Stainless Steel Sour Service Line Pipe
Seamless duplex stainless steel pipe (e.g., 2205 grade) with 16-inch (406.4 mm) OD for sour gas pipelines, resistant to H2S corrosion. Classified in 7304.11.0050 for its seamless stainless steel construction and diameter specs tailored for oil/gas transport.
10-inch Stainless Steel Offshore Pipeline Riser
Seamless stainless steel riser pipe with 10-inch (254 mm) OD for offshore oil/gas platforms, connecting subsea wells to surface facilities. It matches HTS 7304.11.0050 as seamless stainless line pipe within the specified diameter range for pipeline applications.
14-inch Duplex Stainless Steel Gas Gathering Line Pipe
Seamless 14-inch (355.6 mm) OD duplex stainless pipe for onshore gas gathering lines in shale plays. HTS 7304.11.0050 applies due to seamless stainless steel, line pipe function, and diameter limits for oil/gas infrastructure.
8-inch Stainless Steel LNG Pipeline Export Pipe
Seamless 8-inch (203.2 mm) OD stainless steel pipe for cryogenic LNG export pipelines. Fits HTS 7304.11.0050 precisely as seamless stainless line pipe in the 114.3-406.4 mm diameter for gas transport.