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Metal Balls

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302SS (Stainless Steel Balls)

302 Stainless Steel Balls

AISI type 302 stainless steel balls meet requirements for an unhardened ball with excellent toughness and resistance to corrosion. Corrosion resistance may be increased through annealing. Both non-annealed and annealed balls are widely used in valves and related equipment.

Stainless steel type 302 balls are capable of resisting corrosion by such agents as oxidizing solutions, most organic chemicals, food stuffs and sterilizing solutions.  They are moderately resistant to sulfuric acids. 

Applications include aerosol, sprayers, finger pumps mechanisms, milk machine blenders, food processing equipment and medical applications.

302 SS Stainless Steel Balls
Balls per Pkg Stock Part # Grade # Diameter  Price/Pkg
100 KB-1661 100 0.062 $24.50
5000 KB-738 100 0.062 $362.50
5000 KB-739 200 0.062 $360.75
100 KB-1652 100 0.094 $25.50
5000 KB-742 200 0.094 $420.00
5000 KB-741 50 0.094 $421.25
5000 KB-743 100 0.109 $1046.00
100 KB-1663 100 0.125 $26.15
35,000 KB-744 100 0.125 $2094.75
35,000 KB-745 200 0.125 $2240.00
35,000 KB-757 1000 0.125 $1508.50
100 KB-1664 100 0.156 $30.70
15000 KB-749 100 0.156 $1107.00
15000 KB-750 200 0.156 $984.00
15000 KB-751 1000 0.156 $819.75
100 KB-1665 100 0.187 $38.60
10,000 KB-754 100 0.187 $1200.50
10,000 KB-755 500 0.187 $955.00
10,000 KB-727 1000 0.187 $889.50
100 KB-1666 100 0.218 $51.15
6400 KB-718 100 0.218 $933.12
6400 KB-719 200 0.218 $831.04
6400 KB-720 500 0.218 $766.40
6400 KB-721 1000 0.218 $706.24
100 KB-1667 100 0.250 $63.35
4350 KB-724 100 0.250 $1066.84
4350 KB-736 200 0.250 $986.36
4350 KB-456 500 0.250 $955.91
4350 KB-446 1000 0.250 $854.78
100 KB-1909 100 0.281 $59.45
3,000 KB-460 100 0.281 $1017.15
3,000 KB-461 200 0.281 $875.10
3,000 KB-462 500 0.281 $758.25
3,000 KB-463 1000 0.281 $415.50
50 KB-1668 100 0.312 $59.55
2200 KB-436 100 0.312 $929.61
2200 KB-434 200 0.312 $857.89
2200 KB-455 500 0.312 $825.00
2200 KB-427 1000 0.312 $763.29
25 KB-1892 100 0.344 $38.90
25 KB-1669 100 0.375 $65.40
1300 KB-430 100 0.375 $985.21
1300 KB-431 200 0.375 $870.35
1300 KB-432 500 0.375 $855.73
1300 KB-433 1000 0.375 $849.23
25 KB-1643 100 0.437 $66.20
810 KB-425 100 0.437 $738.96
810 KB-437 200 0.437 $730.86
810 KB-438 500 0.437 $726.81
810 KB-439 1000 0.437 $721.91
15 KB-1641 100 0.500 $68.40
550 KB-442 100 0.500 $727.90
550 KB-443 200 0.500 $492.28
550 KB-444 500 0.500 $491.95
550 KB-364 1000 0.500 $466.26
5 KB-1660 100 0.625 $47.70
275 KB-323 100 0.625 $742.61
275 KB-324 200 0.625 $646.25
275 KB-325 500 0.625 $641.99
275 KB-326 1000 0.625 $440.00
5 KB-1635 100 0.750 $65.50
160 KB-329 100 0.750 $720.00
160 KB-341 200 0.750 $640.00
160 KB-331 500 0.750 $580.00
160 KB-321 1000 0.750 $480.00
125 KB-335 100 0.812 $1440.63
125 KB-336 200 0.812 $1284.38
125 KB-337 500 0.812 $1231.25
100 KB-338 100 0.875 $1037.50
100 KB-339 200 0.875 $992.50
100 KB-311 500 0.875 $962.73
100 KB-332 1000 0.875 $933.84
1 KB-1905 100 1.00 $49.35
65 KB-330 100 1.00 $1589.25
65 KB-302 200 1.00 $1537.25
65 KB-303 500 1.00 $1488.50
65 KB-304 1000 1.00 $1446.25
30 KB-306 100 1.25 $1185.00
30 KB-292 200 1.25 $1161.00
30 KB-290 500 1.25 $1144.50
30 KB-307 1000 1.25 $1122.00
5000 KB-740 200 2mm $333.50

302 Stainless Steel Balls:   Available Grades and Sizes

Grade

Size Range in Inches and Millimeters

50 - 1000

1/8 - 2                                3.175 - 50.800

Balls per Pound

Size

Balls per Pound

Inches

Millimeters

1/8

3.175

3,420

5/32

3.968

1,750

3/16

4.762

1,010

7/32

5.556

638

1/4

6.350

427

9/32

7.143

300

5/16

7.9.7

219

11/32

8.731

164

3/8

9.525

127

13/32

10.318

99.6

7/16

11.112

79.7

15/32

11.906

64.8

1/2

12.700

53.4

17/32

13.493

44.5

9/16

14.287

37.5

19/32

15.081

31.9

5/8

15.875

27.4

21/32

16.668

23.6

11/16

17.462

20.6

23/32

18.256

18.0

3/4

19.050

15.8

25/32

19.843

14.0

13/16

20.637

12.5

27/32

21.431

11.1

Balls per Pound

Size

Balls per Pound

Inches

Millimeters

7/8

22.225

9.97

29/32

23.018

8.97

15/16

23.812

8.10

31/32

24.606

7.35

1

25.400

6.68

1 1/8

28.575

4.69

1 1/4

31.750

3.42

1 3/8

34.925

2.57

1 1/2

38.100

1.98

1 5/8

41.275

1.56

1 3/4

44.450

1.26

1 7/8

47.625

1.02

2

50.800

.844

Material Analysis:
All sizes and grades are of the highest quality and in accordance with AISI type 302.  Passivation to ASTM A380 is available upon request..

Material

AISI

Federal

Military

ASTM

UNS

AMS

Stainless Steel Type 302

302

QQ-S-763

-

A-493

S-30200

-

Chemical Analysis

Carbon................................................................

0.15% maximum

Chromium...........................................................

17.0% to 19.0%

Manganese.........................................................

2.0% maximum

Silicon..................................................................

1.0% maximum

Nickel

8.0% to 10.0%

Phosphorus.........................................................

0.045% maximum

Sulphur................................................................

0.03% maximum

Mechanical Properties
Hardness as measured on parallel flat surfaces is Rockwell “C” 25-39.

Tensile Strength..................................................

80,000 to 180,000 psi

Yield Strength......................................................

50,000 to 150,000 psi

Elongation in two inches....................................

10.0% to 50.0%

Reduction in area................................................

55.0% to 65.0%

Modulus of elasticity...........................................

29,000,000 psi

Density.................................................................

0.286 lbs./cu. in

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