Tungsten Carbide Lined Fluid End Block
Fluid end block with tungsten carbide bore liners for extreme abrasion resistance in hydraulic fluid power pumps handling sand-laden fracking fluids. Precision machined for 100,000+ PSI fatigue life. Classified under HTS 8413.91.9055.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If carbide liners sold separately
Interchangeable tool inserts of carbide classify under Chapter 82.
If for sand slurry drilling pumps
Specialized drilling equipment parts under 8431.
If ceramic vs carbide lining
Different wear-resistant materials have statistical reporting differences.
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
• Declare liner material composition and HRC hardness values explicitly
• Provide wear test data demonstrating hydraulic pump service suitability
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