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  • Add:East end of Jingtai road,  Economic and Technical Development Zone, Yuncheng city, Shandong Province, China
  • Tel:+86 0532-86995539
  • Mobile:0086-18366036278
  • Email:info@dihuigroup.com

Si3N4 Dihui Ceramic Ball for Bearing


Si3N4 Auto Parts Usage Carbon Steel Ball for SlideCarbon steel can be divided into soft carbon steel ball (no heat treat

Tel:+86 0532-86995539 Mobile:0086-18366036278 Email:info@dihuigroup.com

Description


Si3N4 Dihui Ceramic Ball for Bearing

Shandong Dihui Machinery Technology has the complete mature ceramic ball production technology and the whole ceramic balls production line. The products have stable performance and good consistency. We can provide various sizes ceramic balls according to customers requirement, including both GPS and HIP sintering technology products.

 

Application: 

Most ceramic balls are mounted in the bearing (high speed bearing, high precision bearing, vacuum bearing, high/low temperature bearing, nonmagnetic bearing, high precision ball screws) for high technology industry, such as aerospace and national defense and etc. The ceramic balls can also be used for chemistry, metallurgy, medical treatment, food industry, oilfield, electronic engineering and etc.


Parameter


Material

Properties

Class

Class 1

Class 2

Class 3

Si3N4

Density (g/cm³

3.0ρ3.6

Elastic modulus Gpa

270E330

Poisson's ratio

0.23μ0.29

Coefficient of thermal expansion,X10-6/

2.0α3.7

(applicable range: room temp. to 500)

Average flexural strength (MPa)

4-point test method

750

650

530

3-point test method

820

720

550

Average Vickers hardness /Gpa

14.2

13.3

12.7

 

 

 

 

 

 

Averag indentation fracture resistance(Mpa*m1/2

6

5

5

Crushing load ratio (%

40

35

30

Microstructure

Pore size/μm

10

10

25

Inclusion/number/cm²

25S50

4

8

16

50S100

1

2

4

100S200

0

1

2

S200

0

0

1

Capacity

*Fine ceramics  standard:  GB/T 31703-2015ISO 26602-2017ASTM F2094 F2094M-2018a

*Range1mm-50.8mm

*GradeG3-G100



CONTACT INFORMATION
  • +86 0532-86995539   0086-18366036278
  • Email:info@dihuigroup.com
  • Address:East end of Jingtai road,  Economic and Technical Development Zone, Yuncheng city, Shandong Province, China
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