Tungsten Carbide Balls

Tungsten Carbide balls are manufactured in two standard material grades of C-1 and C-2.
C-1, with better shock resistance than C-2, this grade is typically used as a mining grade where toughness and abrasion resistance are also important. It has also proven useful in bearing applications.

C-2 affords higher wear resistance and toughness which make this grade an excellent general purpose grade for use in pumps and valves.

Tungsten Carbide Balls: Available Grades and Sizes

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Grade

Size Range in Inches and Millimeters

5

3/32 - 1/2                           2.381 - 12.700

10

3/32 - 1                               2.381 - 25.400

16

3/32 - 1                               2.381 - 25.400

24

3/32 - 1 1/2                         2.381 - 38.100

48

3/32 - 1 1/2                         2.381 - 38.100

100

3/32 - 2 1/2                         2.381 - 63.500

200

3/32 - 2 1/2                         2.381 - 63.500

Balls per Pound

Size

Balls per Pound

Inches

Millimeters

3/32

2.381

4,290

1/8

3.175

1,810

5/32

3.968

927

3/16

4.762

537

7/32

5.556

338

1/4

6.350

226

9/32

7.143

159

5/16

7.937

116

11/32

8.731

87.1

3/8

9.525

67.1

7/16

11.112

42.2

1/2

12.700

28.3

9/16

14.287

19.9

5/8

15.875

14.5

3/4

19.050

8.38

7/8

22.225

5.28

1

25.400

3.54

1 1/8

28.575

2.48

1 1/4

31.750

1.81

1 3/8

34.925

1.36

1 1/2

38.100

1.05

1 3/4

44.450

.660

2

50.800

.442

2 1/4

57.150

.311

2 1/2

63.500

.226

Material Analysis

Property/Material

Tungsten Carbide Grade C-1

Tungsten Carbide Grade C-2

Chemistry (wt%)................................................

94% Wc - 6% Co

94% Wc - 6% Co

Hardness............................................................

91.5 R_a

92.0 R_a

Density (gm/cc).................................................

14.95

14.95

Transverse Rupture Strength (psi).................

400,000

420,000

Ultimate Compressive Strength (psi)..............

750,000

790,000

Ultimate Tensile Strength (psi)........................

220,000

210,000

Modulus of Elasticity (psi)................................

93 x 10⁶

94 x 10⁶

Proportional Limit (psi).....................................

210,000

280,000

Ductility (% Elongation)....................................

0.2%

0.2%

Impact Strength.................................................

12 in-lb

12 in-lb

Abrasion Resistance........................................

16

36