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Quick Details

Material: Ceramic
Brand Name: dongpu
Grade: G10
Size: 5
Bore Size: 5
Model Number: dp-01
Place of Origin: China (Mainland)
COLOR: black

Specifications

Key Silicon Nitride (Si3N4) Characteristics:

1. Good thermal shock resistance
2. Creep resistance
3. Low density
4. High fracture toughness
5.? High hardness and wear resistance 
6. Electrical resistivity

Photos of the silicon nitride balls:

 

 DONG PU silicon nitride ball dp01

 

Typical Stock sizes: from diameter 1.6mm to 50.8mm as belows(Customized size are available)

Size(")

Size(MM)

3/32''

2.381

1/8''

3.175

5/32''

3.969

3/16''

4.763

7/32''

5.556

15/64''

5.953

1/4''

6.35

17/64''

6.747

9/32''

7.144

5/16''

7.938

11/32''

8.731

3/8''

9.525

13/32''

10.318

7/16''

11.113

29/64''

11.509

15/32''

11.906

31/64''

12.303

1/2''

12.7

5/8"

15.875

11/16"

17.4625

1-1/16"

26.9875

1-1/4"

31.75

1-3/8"

34.925

1-5/8"

41.275

1-11/16"

42.8625

1-3/4"

44.45

1-7/8"

47.625

2"

50.8

 

 

Grade

Diameter Variation

(Vdws)

SphericalDeviation

(Sph)

Diameter Variation

of Batch

(Vdwl)

Surface Roughness

(Ra)

G3

0.05~0.08

0.08

<0.13

0.010

G5

0.08~0.13

0.13

<0.25

0.014

G10

0.15~0.25

0.25

<0.5

0.020

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

 

 

 

Ceramic ball include:

 

Grinding media ball

 

Precision ball

 

Other Materails: 

 

Alumina,Zirconia balls

 

 

Application

 

   Required Properties

Application

High speed

Machining tools, turbo chargers,
HDD spindle motors (also abrasion resistance)

Corrosion resistant

Chemical plant equipment, 
Semiconductor-manufacturing equipment
 
(acid resistant & alkaline resistant)

High temperature

Heat treatment furnace parts (Heat resistant)

High vacuum

Turbo molecular pumps (Low dust)

High insulation

Electric motors (anti-electric corrosion)

Ultra-low temperature

Turbo pumps for space shuttles
(resistant to liquid oxygen & hydrogen)

 

FAQ

1.What is the production equipment for producing?

Hot isostatic pressing
Cold isostatic pressing

 

2.What is information we provide when we inquiry?

You can send your complete drawing with technology requirements and the quantity you need.

 

If  you can, pls inform what's application of your part?

 

We will try to recommend the most suitable material and quote for you asap.

 

 

3.Can you provide the free samples?

 

Yes,we can provide the free sample in stocked as customers with freight collected.