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Size & weight of Steel Balls
AISI 52100/AISI1015-AISI1086/AISI 3’S /AISI4’S Size & weight

Diameter

kg/1000pcs

No.of balls / kg

inch

mm

 

0.5000

0.00051

1960780

0.6800

0.00128

781250

 

0.8000

0.00209

478470

 

0.9000

0.00298

335570

 

1.0000

0.00408

245100

 

1.2000

0.00705

141840

 

1.3000

0.00893

111980

 

1.4500

0.01240

80645

 

1.5000

0.01379

72493

1/16

1.5580

0.01600

62350

 

1.7500

0.02180

45871

 

2.0000

0.03260

30700

3/32

2.3812

0.05500

18182

 

2.5000

0.06370

15698

 

3.0000

0.11000

9091

1/8

3.1750

0.13100

7634

 

3.5000

0.17500

5717

9/64

3.5718

0.18628

5369

5/32

3.9690

0.25500

3922

 

4.0000

0.26100

3831

 

4.5000

0.37200

2688

3/16

4.7625

0.44100

2268

 

5.0000

0.51000

1961

13/64

5.1594

0.56000

1786

7/32

5.5562

0.69900

1431

15/64

5.9531

0.86000

1163

 

6.0000

0.88100

1136

1/4

6.3500

1.04000

962

 

6.5000

1.11900

894

17/64

6.7469

1.25000

800

 

7.000

1.40000

714.3

9/32

7.1438

1.49000

671

 

7.5000

1.72200

580.7

5/16

7.9375

2.04000

490

 

Diameter

kg/1000pcs

No.of balls / kg

inch

mm

 

8.0000

2.09

478

 

8.5000

2.50

400

11/32

8.7310

2.71

369

 

9.0000

2.97

337

3/8

9.5250

3.52

284

 

10.0000

4.08

245

13/32

10.3188

4.48

223

 

11.0000

5.42

185

7/16

11.1125

5.60

179

 

11.5000

6.22

161

29/64

11.5094

6.22

161

15/32

11.9062

6.88

145

 

12.0000

7.04

142

31/64

12.3031

7.60

132

1/2

12.7000

8.35

120

17/32

13.4938

10.00

100

 

14.0000

11.18

89

9/16

14.2875

11.90

84

19/32

15.0812

14.00

71.4

5/8

15.8750

16.30

61.3

 

16.0000

16.69

59.9

21/32

16.6688

18.90

52.9

 

17.0000

20.02

50

11/16

17.4625

21.70

46.1

 

18.0000

23.806

42

23/32

18.2562

24.80

40.3

 

19.0000

27.96

35.77

3/4

19.0500

28.20

35.5

25/32

19.9438

31.90

31.4

 

20.0000

32.70

30.58

13/16

20.6370

35.80

27.9

 

21.0000

37.75

26.49

27/32

21.4313

40.10

24.9

 

22.0000

43.52

22.98

 
 
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