Which ceramic is best for wear parts?

Zirconia (Y-TZP) offers the best combination of strength and fracture toughness for most wear parts; silicon carbide is preferred where chemical corrosion dominates.

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Choose by data, not by habit.

Q: Can you recommend a grade from my drawing?

Yes. Send your drawing and application conditions; our engineers reply within 48 hours with a grade recommendation and DFM feedback.

Side-by-side properties of our five ceramic systems and 13+ engineering grades. Download the full selection guide or send your drawing for a free grade recommendation.

Grade	Density g/cm³	Flexural MPa	Hardness HRA	Therm. Cond. W/m·K	Max Temp °C
Y-TZP Zirconia	6.05	1000–1200	88–89	2–3	1000
99.7% Alumina	3.92	350–400	86–88	29–32	1700
99% Alumina	3.85	320–380	85–87	25–29	1650
95% Alumina	3.70	300–350	82–85	20–24	1600
Si3N4 (GPS)	3.22	700–900	91–92	25–30	1200
AlN-170	3.30	300–350	—	170–180	1000
SSiC	3.15	400–460	92–94	120–150	1650
RBSiC	3.05	300–350	90–91	100–120	1380

Typical values at room temperature, for material pre-selection only. Lot-specific test data ships with your parts. Full 13+ grade table in the Selection Guide PDF.