Tungsten Carbide Seal Rings from Germany
Sintered tungsten carbide rings used in mechanical seals for pumps and valves. Falls under HTS 2849.90.30.00 as basic carbide shapes, chemically defined. Offers corrosion and wear resistance.
Duty Rate — Germany → United States
5.5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Specify ring ID/OD tolerances as blanks; documentation must exclude 'finished seals'
• Comply with API standards declarations