Heavy Seamless Steel Cylinder Tube 15.5-inch OD 16.5mm WT
Seamless non-alloy steel tube for hydraulic cylinder barrels, 393.7 mm OD, 16.5 mm wall thickness. Falls under HTS 7304.39.0068 as other circular seamless tubes/pipes of iron/non-alloy steel in precise dimension range. Precision-honed interior for piston operation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If welded and over 406 mm OD
Welded tubes exceeding OD limit shift headings despite similar use.
If fully assembled hydraulic cylinders
Complete engines/reciprocating machinery classify in Chapter 84.
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
• Distinguish from finished cylinders; unfinished tubes remain Chapter 73
• ID/OD honing tolerance specs prevent parts classification under 8431
• Batch certs required for pressure vessel code compliance during import
Related Products under HTS 7304.39.00.68
API 5L Grade B Seamless Steel Pipe 14-inch OD 16mm WT
A seamless steel tube of circular cross section made from non-alloy steel, with an outside diameter of 355.6 mm (14 inches) and wall thickness of 16 mm, suitable for oil and gas transmission pipelines. It falls under HTS 7304.39.0068 due to its seamless construction, non-alloy steel material, OD between 285.8 mm and 406.4 mm, and wall thickness from 12.7 mm to less than 19 mm. This heavy-walled pipe is designed for high-pressure applications in the energy sector.
Seamless Non-Alloy Steel Casing Pipe 15-inch OD 15mm WT
Heavy-duty seamless pipe used as well casing in oil drilling, featuring 381 mm OD and 15 mm wall thickness from non-alloy steel. Classified under HTS 7304.39.0068 for its circular cross section, seamless iron/non-alloy steel construction, specified OD 285.8-406.4 mm, and wall thickness 12.7-19 mm. Ideal for structural support in harsh subsurface environments.
Heavy Wall Seamless Line Pipe X42 16-inch OD 14mm WT
Seamless line pipe grade X42 for natural gas pipelines, with 406 mm OD, 14 mm wall thickness, made of non-alloy steel. Meets HTS 7304.39.0068 criteria: seamless, circular, iron/non-alloy steel, OD 285.8-406.4 mm, wall 12.7-<19 mm. Engineered for high-pressure fluid transport.
Structural Seamless Steel Tube 13.5-inch OD 17mm WT
Large-diameter seamless tube for offshore platform legs, non-alloy steel, 342.9 mm OD, 17 mm wall thickness. Fits HTS 7304.39.0068 as other seamless tubes/pipes of circular section, iron/non-alloy steel, in the specified OD and thickness range. Provides robust support in marine construction.
Seamless Boiler Tube SA-106 Grade B 14-inch OD 18mm WT
ASME SA-106 Grade B seamless carbon steel tube for high-temperature boiler service, 355.6 mm OD, 18 mm wall. Classifies in HTS 7304.39.0068 for seamless non-alloy steel pipes of circular cross section in the defined dimensions. Withstands extreme pressures in power plants.
Large Diameter Seamless Steel Pipe 12-inch OD 13mm WT
Nominal 12-inch (304.8 mm) OD seamless pipe with 13 mm wall thickness from non-alloy steel, used in water transmission mains. HTS 7304.39.0068 applies to its seamless, circular, non-alloy steel profile within OD 285.8-406.4 mm and wall 12.7-<19 mm specs.