High Purity Aluminum Distillation Column Pipe
99.99% unalloyed aluminum pipe sections for chemical distillation columns, corrosion resistant. HTS 7608.10.00.90 covers these non-alloyed tubes. 4-inch diameter heavy wall.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If heat-treated for column strength
Heat treatment often accompanies alloying.
If installed in centrifuge equipment
Distillation equipment parts under Chapter 84.
If ceramic-coated interior
Surface treatment changes material classification.
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
• Chemical compatibility certificates for process fluids
• Heavy wall thickness measurement critical for duty calculation
• Hazardous material declarations if residual process chemicals present
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