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Stainless Steel Balls
Another name:Stainless Steel Spherical / Precision Balls
Material:Stainless Steel ,AISI(304, 316, 420, 440C)
Surface:Resistant to Rust
Used in valve pumps, nail polish and spray paint bottles for agitation, sprinkling systems, appliance components, casters, drawer slides, locking mechanisms, bracelet,necklace,food processing(homogenization),and medical applications, semi-precision bearings and a host of other industrial products.

1.Size: Diameter 2mm -35mm


2.Grade: 

Grade 

Ball diameter variation
 Vdws

Spherical deviation
Sph 

 Ball surface roughness
Ra

Ball diameter variation 
Vdwl

Basic diameter tolerance
Tdn 

 10

 0.25

 0.25

 0.025

 0.5

  *

 16

 0.4

 0.4

 0.032

 0.8

  *

 20

 0.5

 0.5

 0.050

 1.0

  *

 24

 0.6

 0.6

 0.050

 1.2

  *

 28

 0.7

 0.7

 0.050

 1.5

  *

 40

 1.0

 1.0

 0.080

 2.0

  *

 60

 1.5

 1.5

 0.100

 3.0

  *

 100

 2.5

 2.5

 0.125

 5.0

 12.5

 200

 5

 5

 0.200

 10

 25


3.Material: 


CHEMICAL COMPOSITION (%)

 Material 

 C 

Si 

Mn 

P  

Ni 

Cr 

Mo  

Cu 

 AISI440C

 0.95-1.20

 1.00max

 1.00max

 0.040max 

 0.030max

 0.60max

 16.0-18.0

 0.75max

 -

 AISI420

 0.42-0.50

 1.00max

 1.00max

 0.040max

 0.030max

 1.00max

 12.5-14.5

 -

 0.30max

 AISI304

 0.08max

 1.00max

 2.00max

 0.045max

 0.030max

 8.00-10.5

 18.0-20.0

 -

 -

 AISI316

 0.08max

 1.00max

 2.00max

 0.045max

 0.030max

 10.0-14.0

 16.0-18.0

 2.00-3.00

 -


4.Package:  Oil packing or Dry packing




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