Custom Silicon Nitride Ceramic Parts Si3N4 Precision Machined Ceramic Component High Strength Wear Resistant High Temperature Industrial Ceramic Parts for Semiconductor Equipment

Silicon Nitride Ceramic Precision Component (Custom Machined)

High Precision · High Strength · Long Service Life

Product Overview

This high-performance Silicon Nitride (Si₃N₄) ceramic precision component features a compact disc structure with a central threaded hole, designed for high-load, high-temperature, and wear-resistant applications. It is widely used in semiconductor equipment, precision machinery, vacuum systems, and high-speed rotating assemblies.

Manufactured by HAORUI INDUSTRIAL CERAMICS, this part integrates advanced ceramic material science + CNC precision machining + ultra-fine grinding, ensuring both structural reliability and dimensional accuracy.

Why Choose Silicon Nitride?

Exceptional Mechanical Strength

• Bending Strength: 750 MPa

• Compressive Strength: 3,800 MPa

• Fracture Toughness: 7 MPa·m½
  Far superior to most structural ceramics → resistant to cracking & impact

Ultra Wear Resistance & Hardness

• Vickers Hardness: 1700 HV
  Ideal for high-friction, long-life components

Thermal Stability & Shock Resistance

• Max Working Temperature: 1300°C

• Thermal Shock Resistance: ΔT 750°C

• Low Thermal Expansion: 2×10⁻⁶ /K
  Perfect for rapid temperature change environments

Lightweight + High Rigidity

• Density: 3.2 g/cm³

• Elastic Modulus: 290 GPa
  High stiffness with reduced inertia → ideal for precision dynamic systems

Electrical Insulation

• Resistivity: >10¹⁴ Ω·cm

• Dielectric Strength: 10×10⁶ V/m
  Suitable for electrical insulation & semiconductor applications

Chemical Stability

• Excellent resistance to acid and alkali corrosion
  Reliable in harsh chemical environments

   

⚙️ Precision Machining Advantages

✔ High-Precision CNC Processing

• Tolerance: ±0.01 mm

• Complex geometry (threaded hole, stepped structure)

✔ Ultra-Fine Surface Finishing

• Fine grinding ensures:

• Smooth surface

• Reduced friction

• Improved sealing & fitting accuracy

✔ Thread Machining Capability

• Internal precision threading on ceramic
  Rare capability in ceramic processing

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Customization Capabilities

We specialize in fully customized ceramic parts:

• ✔ Based on drawings / samples / application

• ✔ Material options: Si₃N₄, Al₂O₃, ZrO₂, SiC

• ✔ Custom:

• Dimensions & tolerances

• Surface finish (Ra control)

• Hole types (micro holes, threaded holes)

• Complex shapes

Strong fit for OEM / semiconductor / automation equipment manufacturers

Manufacturing Capability

• Advanced ceramic powder preparation

• Cold isostatic pressing / pressureless sintering

• CNC precision machining

• Fine grinding & polishing

• Full-size inspection & quality control

✅ Tolerance: up to ±0.01 mm
✅ Surface Finish: Ra ≤ 0.4 μm (optional)

• Custom dimensions & tolerances

• Based on drawings or samples

• CNC precision machining

• Small batch & mass production

Tolerance: up to ±0.01 mm
Files accepted: PDF / STEP / IGS / DWG

Why Choose Us

✔ Over 19 Years Experience in Advanced Ceramics
✔ Specialized in Silicon Nitride & Zirconia Components
✔ In-house Precision Machining & Inspection
✔ Stable Quality & Competitive Factory Price
✔ Reliable Supplier for Industrial & OEM Customers

Looking for a high performance silicon nitride ceramic seal ring?
Contact us now for technical support, drawings review & competitive quotation.