Steel Balls

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Steel Hollow Ball

Overview

   We supply steel hollow ball with diameter 2mm – 150mm in all kinds of material, such as: stainless steel ( SUS420J2 , AISI304, AISI304L, AISI316, AISI316L, AISI440A, AISI440C , AISI430 ), carbon ( AISI1015 / AISI1085 ), chrome (100Cr6 & 100CrMn6 ), aluminum, brass, etc.

A.F.B.M.A. STANDARDS(U.S.A)

AFBMA

GRADES

ROUNDNESS

LOT DIAMETER

VARIATION

BASIC DIAMETER

TOLERANCE

MAX.

INCREMENTS

SURFACE

RCUGHNESS

INCHES

μm

INCHES

μm

INCHES

μm

INCHES

μm

INCHES

μm

3

.000003

0,08

.000005

0,13

±.00003

0,76

.000010

0,25

.5

0,012

5

.000005

0,13

.000010

0,25

±.00005

0,27

.000010

0,25

.8

0,020

10

.000010

0,25

.000020

0,51

±.0001

2,54

.000010

0,25

1.0

0,025

16

.000016

0,38

.000032

0,76

±.0001

2,54

.000010

0,25

1.0

0,025

24

.000024

0,63

.000048

1,27

±.0001

2,54

.000010

0,25

2.0

0,050

48

.000048

1,27

.000096

2,54

±.0002

5,08

.000050

0,12

3.0

0,076

100

.0001

2,50

.0002

5,08

±.0005

12,70

.0001

2,54

5.0

0,120

200

.0002

5,08

.0004

10,20

±.001

25,40

.0002

5,08

8.0

0,203

500

.0005

12,70

.001

25,40

±.002

50,80

.0005

12,70

-

-

1000

.001

25,40

.002

50,80

±.005

127,00

.001

25,40

-

-

 

DIN5401(GERMAN STANDARDS)

DIN 5401

GRADE

ROUNDNESS

μm

LOT DIAMETER

VARIATION

μm

BASIC DIAMETER

TOLERANCE

μm

GAUGE INTERVAL

μm

I

0,25

0,50

±10,25

0,50

II

0,50

1,00

±10,50

1,00

III

1,00

2,00

±11,00

2,00

IV

2,00

4,00

±14,00

4,00

V

25,00

50,00

±75,00

50,00

VI

-

400,00

±200,00

-

 

APPROXIMATE EQUIVALENT GRADES

BETWEEN ISO 3290,AFBMA,DIN

GRADES

AAAA

AAA

AA

A

B

C

∅mm

ISO3290

5

10

16

28

40

100

up to 3 included

10

16

28

40

100


from 3 to 6 included

10

16

28

40

100

200

from 6 to 10 included

16

20

28

40

100

200

from 10 to 20 included


28

40

100

200


from 20 to 30 included


40


100

200


from 30 to 50 included


40

100

100

200


over 50


AFBMA

5

10

16

24

48

100

up to 3 included

10

16

24

48

100

100

from 3 to 6 included

10

16

24

48

100

200

from 6 to 10 included

16

16

24

48

100

200

from 10 to 20 included


24

48

100

200

300

from 20 to 30 included


48

48

100

200

300

from 30 to 50 included


48

100

100

200

300

over 50


DIN

class -

class I

class II

class III

class IV

-

up to 3 included

-

I

II

III

IV

-

from 3 to 6 included

I

II

III

-

IV

-

from 6 to 10 included

-

III

III

IV

-

-

from 10 to 20 included

II

-

III

IV

-

-

from 20 to 30 included

-

-

III

IV

-

-

from 30 to 50 included

-

-

III

IV

-

-

over 50





JIANGSU WALLONG-HSIN MACHINERY ENGINEERING CORPORATION LTD has created a complete range in order to offer advanced solutions and an outstanding technical services. The application range includes:

*High quality Ball Bearings components
*Linear systems,Ball bearing slides
*Free Wheels and casters,rail wheels
*Ball transfer units,air cargo and conveyor
*Stainless steel and tungsten carbide ball point pens
*Various types of valves for liquids and gases,etc.
*CV Joints,hydraulic motors and oilers
*Safety belt balls,car seat guides balls
*motor bikes and bicycles ball parts
*Furniture fitting,drawer slide balls
*Coconut grinding balls, coffee milling balls
*Cosmetic balls,nail polish balls
*Pump balls



Product Specifications

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