:: Key Facts
Silicon Nitride (Si3N4) at a glance
- Fracture toughness 6–8 MPa·m½ with only 3.2 g/cm³ density
- Outstanding thermal shock resistance
- 60% lighter than steel — less centrifugal load at speed
- Typical parts: rollers, mechanical hands, bearing components, welding pins
:: Process & QC
Every lot, documented.
Formed and sintered at our Huzhou base, precision-ground in Huizhou. CMM dimensional report, material certificate and optional SEM imagery ship with your order.
Zeiss CMMSEMXRDISO 9001
:: FAQ
Why choose Si3N4 over steel rollers?
At high line speeds Si3N4 rollers resist wear, corrosion and thermal fatigue — typically lasting several times longer than tool steel, with no lubrication.
Can Si3N4 handle thermal shock?
Yes — it survives rapid quenches that shatter alumina, making it ideal for casting and welding contact parts.
:: Other Materials
Compare the family
ZrO2
Zirconia Parts
High strength & toughness. Pump plungers, valve sleeves, dispensing tips.
Flexural ≥1000 MPa :: HRA ≥88
Explore →
Al2O3
Alumina Parts
Workhorse of technical ceramics. 95% / 99% / 99.7% purity grades.
Volume resistivity 10¹⁴ Ω·cm
Explore →Si3N4
Silicon Nitride Parts
Rollers & end effectors that outlast steel in high-speed lines.
Fracture toughness 6–8 MPa·m½
Explore →
AlN
Aluminum Nitride Parts
Thermal management substrates for power electronics & LED.
Thermal conductivity ≥170 W/m·K
Explore →
SiC
Silicon Carbide Parts
Seal rings & wear parts for harsh chemical service.
Corrosion-proof :: HRA ≥92
Explore →