X42 Seamless Carbon Steel Pipeline Tube 20-inch OD
A seamless nonalloy steel tube with 508 mm outside diameter, rated X42 for oil and gas transmission lines. Used in midstream pipeline infrastructure for transporting hydrocarbons. Falls under HTS 7304.19.10.80 as line pipe of iron/nonalloy steel with OD >406.4 mm and seamless profile.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of alloy steel like X52 or higher
Higher alloy grades exceed nonalloy steel limits, classifying under 7304.39 alloy line pipe.
If specifically for gas turbines
End-use as turbine casing changes it from line pipe to turbojet/turboprop parts.
If drill pipe use with tool joints
Configured for drilling operations classifies as drill pipe under 7304.31, not line pipe.
Not sure which classification is right?
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Import Tips & Compliance
• Include hydrostatic test certificates to demonstrate pressure integrity for pipeline use
• Label with exact steel grade and dimensions to prevent customs disputes on nonalloy status
• Avoid bulk packaging without protective coatings, as corrosion claims are common pitfalls
Related Products under HTS 7304.19.10.80
API 5L Grade B Seamless Steel Line Pipe 24-inch OD
This seamless steel tube, made from nonalloy steel, has an outside diameter of 610 mm and is designed specifically for oil and gas pipeline transport. It meets API 5L Grade B specifications for high-pressure applications in the energy sector. Classified under 7304.19.10.80 due to its seamless construction, large diameter exceeding 406.4 mm, and use as line pipe for pipelines.
Grade B Seamless Steel Oil Pipeline Pipe 30-inch OD
Heavy-wall seamless pipe of nonalloy steel, 762 mm OD, engineered for crude oil gathering lines in upstream operations. Provides structural integrity for long-distance transport. HTS 7304.19.10.80 applies for its seamless design, large diameter, and dedicated oil/gas pipeline function.
36-inch OD X52 Seamless Steel Transmission Pipe
High-strength seamless line pipe (914 mm OD) of nonalloy steel, X52 grade for long-haul oil/gas transmission. Features thick walls for burial under high-pressure conditions. Meets 7304.19.10.80 as OD >406.4 mm seamless nonalloy steel line pipe.
28-inch Seamless Carbon Steel Gas Gathering Pipe
Seamless pipe (711 mm OD) from carbon nonalloy steel for gathering natural gas from wells to processing plants. Designed for moderate pressure field lines. HTS 7304.19.10.80 due to seamless iron/nonalloy steel construction and large diameter for pipeline use.
42-inch OD API 5L Grade X46 Line Pipe Seamless
Extra-large diameter (1067 mm OD) seamless nonalloy steel pipe, X46 grade per API 5L for offshore oil/gas trunklines. Corrosion-resistant for marine environments. Fits 7304.19.10.80 as large OD seamless line pipe of iron/nonalloy steel.
22-inch OD Nonalloy Seamless Crude Oil Pipe
Seamless carbon steel pipe (559 mm OD) for crude oil trunk pipelines, nonalloy composition for cost-effective transport. High toughness for seismic zones. Under 7304.19.10.80 for OD exceeding 406.4 mm, seamless, iron/nonalloy line pipe.