Seamless Alloy Steel Hydraulic Cylinder Tube
This is a seamless tube made from alloy steel with a circular cross-section, designed specifically for use in hydraulic and pneumatic cylinders. It falls under HTS 7304.59.80 as it is a hollow profile of other alloy steel, not cold-drawn or otherwise worked, and not suitable for use in aircraft. The tube's precision engineering ensures high pressure resistance and durability in industrial machinery.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of carbon steel rather than alloy steel
Carbon steel seamless tubes are classified under 7304.51, differentiated by chemical composition thresholds for alloying elements.
If welded instead of seamless
Welded circular hollow sections of alloy steel fall under 7306, as seamlessness is a key distinguisher in Chapter 73.
If suitable for use in aircraft
Aircraft-grade seamless tubes are excluded to 7304.39 regardless of alloy type.
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Import Tips & Compliance
• Verify the alloy steel composition with mill test certificates to confirm classification under 'other alloy steel' and avoid reclassification to carbon steel headings
• Ensure documentation proves seamless manufacturing process, as welded tubes fall under Chapter 73 headings like 7306
• Check for any cold-working or heat treatment that might shift it to 7304.51 or 7304.59.10
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