Type of Material

Tons per Sq.  inch“

Shear Strength

per sq. in.

Aluminum ( 1/2 hard sheet)

9.5

19,000 PSI

Brass (1/2 hard sheet)

17.5

35,000 PSI

Copper (rolled)

14.0

20,000 PSI

Steel, mild

25.0

50,000 PSI

Steel, ASTM-A#6

30.0

60,000 PSI

Steel, 50 carbon

35.0

70,000 PSI

Steel, cold drawn

30.0

60,000 PSI

Steel, stainless (18-8)

35.0

70,000 PSI

Tonnage Reduction Chart When Shear is Used. 

 Use above Formula to find the tonnage required with no shear.  Next, multiply that by the value found in this chart.

             

CE TOOLING TONNAGE CHART

Shear

Depth

16 Gage

.060” 1,5mm

14 Gage

.075” 1,9mm

12 Gage

.105” 2,7mm

10 Gage

.135”

3,4mm

8 Gage

.165”

4,2mm

3/16 Gage

.187” 4,8mm

1/4 Gage

.250” 6,4mm

5/16 Gage

.312” 7,9mm

3/8 Gage .375” 9,5mm

1/16

.5

.58

.72

.78

.83

.86

.90

 

 

3/32

 

.50

.56

.67

.73

.78

.83

.87

.90

1/8

 

.46

.51

.56

.62

.63

.74

.85

.95

1/4

 

 

 

.40

.46

.49

.54

.62

.70

7/16

 

 

 

.25

.28

.31

.36

.41

.48