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