Longitudinally Welded Oil Pipeline Pipe 20 Inch OD
A 20-inch (508 mm) outer diameter longitudinally welded pipe of nonalloy steel, engineered for crude oil transmission lines in onshore pipelines. It features thick walls for high-pressure resistance and is produced via submerged arc welding. Fits HTS 7305.12.1030 as line pipe of iron/nonalloy steel with external diameter between 406.4 mm and 609.6 mm.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If external diameter over 609.6 mm
Larger diameter line pipes in the same welded, nonalloy steel category shift to 7305.11.1030.
If supplied as gas transmission line pipe sets
When imported in sets with fittings for specific gas installations, it may classify as parts of gas turbines or engines under 8411.
If for industrial process piping
If marketed for chemical plant or refinery process lines rather than transmission pipelines, it falls under other welded pipes in 7306.
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
• Include end-user statements confirming oil/gas pipeline use to prevent reclassification as general tubing
• Check for anti-dumping duties on certain origins like China; provide country-of-melt documentation
Related Products under HTS 7305.12.10.30
Grade X42 Welded Gas Line Pipe 18 Inch Diameter
This API 5L X42 grade pipe has an 18-inch (457.2 mm) external diameter, longitudinally welded from nonalloy steel sheets for natural gas distribution pipelines. It withstands pressures up to 1000 psi and includes corrosion-resistant coatings. HTS 7305.12.1030 applies for its line pipe function, circular cross-section, and precise size specs.
508mm OD Welded Steel Gas Transmission Pipe
Precisely 508 mm external diameter longitudinally welded nonalloy steel pipe for natural gas transmission mains. Features beveled ends for field welding. Classifies under HTS 7305.12.1030 for its pipeline-specific design and dimensions.
Grade B ERW Line Pipe 16 Inch Equivalent
Electric Resistance Welded (longitudinal) Grade B pipe approximating 16-inch (406.4+ mm) OD for regional gas pipelines. Nonalloy steel construction for cost-effective deployment. HTS 7305.12.1030 based on diameter, welding, and line pipe purpose.
X52 Strength Oil Line Pipe 21 Inch
High-strength X52 API 5L longitudinally welded pipe, 21-inch (533.4 mm) OD, nonalloy steel for deepwater oil lines. Enhanced wall thickness for collapse resistance. Fits 7305.12.1030 exactly.
API 5L Grade B Longitudinal Welded Line Pipe 24 Inch
This is a longitudinally welded steel pipe made of nonalloy steel, with an external diameter of 24 inches (609.6 mm), designed specifically for oil and gas pipeline applications. It meets API 5L Grade B specifications for strength and durability in high-pressure transport of hydrocarbons. Classified under HTS 7305.12.1030 due to its circular cross-section, size range exceeding 406.4 mm but not over 609.6 mm, and use as line pipe.
Nonalloy Steel LSAW Pipeline Tube 22 Inch
LSAW (Longitudinal Submerged Arc Welded) pipe with 22-inch (558.8 mm) OD, made from nonalloy steel for offshore gas gathering lines. Provides excellent toughness in subsea conditions. Matches HTS 7305.12.1030 criteria for welded line pipe in the specified diameter range.