High-Pressure Alloy Steel Accumulator Shell
Cylindrical shells from 4340 or 300M alloy steel for hydraulic accumulators storing pressurized fluid. 7306.90.5000 applies to these welded or seamless pressure vessels under tube dimensions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of hydraulic system machine
Complete accumulator assemblies classify as unspecified machinery.
If large diameter tanks
Over certain sizes, become reservoirs/tanks, not tubes.
If linear acting hydraulic cylinders
If configured as cylinder, uses pump parts heading.
Not sure which classification is right?
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Import Tips & Compliance
• ASME Section VIII pressure rating certification mandatory
• Declare max working pressure and test pressure on invoice
• Avoid 'pressure vessel' terminology; use 'accumulator shell tube'
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