ALUMINUM - Materials for Civil and Construction Engineers - page 152

T ABLE 4.6 Typical Properties of Select Cast Aluminum Alloys

3

Cast Tension Hard- Shear Fatigue

2

Alloy ness Ultimate Endurance

Designation Limit

1

Ultimate Yield Elongation

ksi MPa ksi MPa ksi MPa ksi MPa

4

356.0-T6 40 276 27 186 5 90 32 221 13 90

4

356.0-T7 33 228 24 165 5 70 25 172 11 76

4

A356.0-T61 41 283 30 207 10 80

4

A357.0-T6 50 345 40 276 10 85 43 296 16 110

4

A444.0-T4 23 159 10 69 21 45

5

356.0-T6 33 228 24 165 3.5 70 26 179 8.5 59

5

356.0-T7 34 234 30 207 2.0 75 24 165 9.0 62

Almag 35
535.0

5

40 276 21 145 13 70 28 193 10 69

1

Percent elongation over 2 in.
Brinell number, 500-kg load
500,000,000 cycles of complete stress reversal using R.R. Moore type of machine and specimen.
Permanent mold
Sand casting

2

3

4

5

40 Ultimate

strength

35

Yield
strength

30

25

Proportional limit

20

15

10

5

0 0

0.2 0.4 0.6 0.8 1.0 1.2 1.4

FIGURE 4.5 Aluminum
stress-strain diagram

Strain, %