Non-Alloy Steel Pressure Piping OD 220mm WT 8mm
Seamless circular hollow profile of iron or non-alloy steel, OD 220mm and wall thickness 8mm, designed for high-pressure fluid transport in petrochemical plants. Classified under 7304.39.0048 for its seamless nature, specified OD range, and thin wall. Ideal for corrosive environments requiring durability without alloying.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If OD under 190.5mm
Smaller diameter seamless tubes fall into adjacent subheading 7304.39.0038 within the same heading.
If threaded or fitted with connectors
Tube fittings or threaded pipes classify under 7307, based on state of completion.
If drill pipe or casing for oil/gas wells
Specific end-use in petroleum drilling moves it to 7304.19, per chapter end-use notes.
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Import Tips & Compliance
• Obtain chemical composition certification confirming non-alloy status (carbon steel max 0.3% alloy elements)
• Measure and document OD and wall thickness precisely, as exceeding 285.8mm shifts to other subheadings
• Avoid bundling with fittings, which could classify as sets under different provisions
Related Products under HTS 7304.39.00.48
Seamless Steel Boiler Tube OD 250mm WT 10mm
A seamless tube of non-alloy steel with circular cross-section, outside diameter 250mm and wall thickness 10mm, used in high-pressure boilers for heat transfer. It falls under HTS 7304.39.0048 due to its seamless construction, non-alloy steel material, OD between 190.5-285.8mm, and wall thickness under 12.7mm. These tubes are precision-engineered for structural integrity in industrial heating systems.
Seamless Carbon Steel Structural Hollow OD 260mm WT 11mm
Seamless non-alloy steel tube with 260mm OD and 11mm wall thickness, used as structural columns in construction frameworks. Meets HTS 7304.39.0048 criteria: circular cross-section, seamless, non-alloy, OD 190.5-285.8mm, wall <12.7mm. Provides high strength-to-weight ratio for load-bearing applications.
API Grade Seamless Line Pipe OD 240mm WT 9.5mm
Seamless non-alloy steel line pipe meeting API 5L standards, OD 240mm, wall 9.5mm, for natural gas transmission lines. Fits 7304.39.0048 as other seamless tubes of iron/non-alloy steel in the specified size range. Corrosion-resistant coating optional for pipeline integrity.
Heavy Wall Seamless Cylinder Tube OD 210mm WT 7mm
Seamless non-alloy steel tube for hydraulic cylinder manufacturing, OD 210mm, wall thickness 7mm. Under HTS 7304.39.0048 for circular seamless pipes of iron/non-alloy steel in size specs. Precision tolerances ensure smooth piston operation in industrial machinery.
Non-Alloy Steel Heat Exchanger Tube OD 280mm WT 10.5mm
Large seamless tube of non-alloy steel for shell-and-tube heat exchangers, OD 280mm, wall 10.5mm. Classifies in 7304.39.0048 due to seamless form, circular section, non-alloy, and dimensions. U-bend configurations possible post-import for thermal efficiency.
Seamless Steel Condenser Pipe OD 195mm WT 6mm
Seamless non-alloy steel pipe for power plant condensers, OD 195mm, wall thickness 6mm, enabling efficient steam condensation. HTS 7304.39.0048 applies for other seamless circular tubes in this size with thin walls. High cleanliness standards for thermal performance.