Material Description

Tons per

SQ. IN.

Shear Strength

Per SQ. IN.

Multiplier to Nominal Mild Steel

Aluminum ­ Soft sheet

7.5

15,000 psi

.3

Aluminum ­ Half Hard

9.5

19,000 psi

.38

Aluminum ­ Hard

12

25,000 psi

.5

Brass ­ Soft Sheet

15

30,000 psi

.6

Brass ­ Half Hard

17.5

35,000 psi

.7

Copper ­ Rolled

14

28,000 psi

.57

Steel ­ Mild

25

50,000 psi

1.00

Steel ­ ASTM A36

30

60,000 psi

1.20

Steel ­ 50 Carbon

35

70,000 psi

1.40

Steel ­ Cold Drawn

30

60,000 psi

1.20

Steel ­ Stainless (18-8)

35

70,000 psi

1.40