Name: Sintered High Chrome Si3N4 Silicon Nitride Balls Precision Mechanical
Brand: Guangzhou Zoli Technology Co.,Ltd.
SKU: SNB-01
Availability: InStock

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Sintered High Chrome Si3N4 Silicon Nitride Balls Precision Mechanical

Sintered Silicon Nitride Balls

mechanical Silicon Nitride Balls

Si3N4 high chrome balls

Place of Origin:

China

Brand Name:

Zhongli

Certification:

CE ISO

Model Number:

SNB-01

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Sintered High Chrome Si3N4 Silicon Nitride Balls Precision Mechanical

Product Details

Wear Resistance:

High

Electrical Insulation:

Excellent

Diameter:

1mm-50mm

Thermal Conductivity:

25 W/mK

Hardness:

9 Mohs

Density:

3.2 G/cm3

Surface Finish:

Polished

Application:

High-precision Bearings, Valves, Pumps, And Other Mechanical Components

Corrosion Resistance:

Excellent

Color:

Black

Usage:

Silicon Nitride Bearings

Max Operating Temperature:

1200°C

Surface:

Polishing Finish

Chemical Resistance:

Excellent

Material:

Silicon Nitride

Highlight:

Sintered Silicon Nitride Balls

mechanical Silicon Nitride Balls

Si3N4 high chrome balls

Payment & Shipping Terms

Minimum Order Quantity

1kg

Packaging Details

barrel

Delivery Time

within 15days

Supply Ability

50-200 ton/month

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Product Description

Sintered High Chrome Si3N4 Silicon Nitride Balls Precision Mechanical

High-purity Si3N4 precision balls sintered for maximum density represent a revolutionary advancement in industrial materials. These ceramic balls are engineered to meet rigorous demands across aerospace, automotive, semiconductor, and renewable energy applications, offering superior durability, efficiency, and reliability.

Key Features of Si3N4 Precision Balls

High Heat Resistance: Withstands temperatures up to 1800°F (982°C)
Low Friction: Smooth surface enhances bearing efficiency and extends service life
Chemical Resistance: Excellent corrosion resistance in harsh environments
Lightweight: 60% lighter than steel, reducing centrifugal force
Non-Magnetic: Ideal for applications in magnetic fields and electric motors

Applications

Aerospace and Defense

Used in aircraft engines and critical components for high-temperature performance and corrosion resistance.

Automotive Industry

Enhances hybrid and electric vehicle performance through reduced friction and weight.

Semiconductor Manufacturing

Provides increased bearing life in high-speed, low-lubrication equipment.

Renewable Energy

Used in wind turbine generators for durability and low maintenance requirements.

Material Comparison

Property	Silicon Nitride (Si3N4)	Steel (440C)	Zirconia (ZrO2)	Alumina (Al2O3)
Density (g/cm³)	3.2	7.8	6.0	3.9
Hardness (HV)	1,400-1,600	700-900	1,200-1,300	1,500-1,800
Fracture Toughness (MPa*m½)	6-7	15-20	7-10	3-4
Compressive Strength (GPa)	2.5-3.5	2.0-2.5	2.0-2.3	2.0-3.0

Physical Properties

Chemical Composition:	Si3N4≥95%
Bulk Density:	3.2±0.05g/cm3
Elastic Modulus:	350GPa
Hardness Vickers:	1870HV
Bending Strength:	780MPa
Fracture Toughness:	7.2MPa*m1/2
Thermal Expansion Coefficient:	3.2 10-6/K
Thermal Conductivity:	25W/(m*K)

Ball Sizes & Grades

Size (mm)	Φ0.8-180
Grade	Vdws \| SPH \| Vdwl \| Ra
G3	0.05-0.08 \| ≤0.08 \| <0.13 \| 0.01
G5	0.08-0.13 \| ≤0.13 \| <0.25 \| 0.014
G10	0.15-0.25 \| ≤0.25 \| <0.5 \| 0.02
G16	0.2-0.4 \| ≤0.4 \| <0.8 \| <0.025
G20	0.3-0.5 \| ≤0.5 \| <1 \| <0.032
G100	0.4-0.7 \| 0.4-0.7 \| <1.4 \| <0.0105