TYPICAL MECHANICAL PROPERTIES OF THE MOST POPULAR ALUMINUM SAND CASTING ALLOYS.

                                  TENSION              
COMPRESSION  
 HARDNESS  
SHEAR  
FATIGUE

ALLOY & TEMPER
ULTIMATE STRENGTH
                       PSI
YIELD STRENGTH
            ( SET O,2%)  PSI
ELONGATION
              % 2"
YIELD(3)              
STRENGTH
(SET 0.2% Psi
BRINELL(2)  
500-Kg Load
10-mm Ball

SHEARING STRENGTH
Psi
ENDURANCE(1)
LIMIT
Psi
356-T6
33,000
24,000
3.5
25,000
70
26,000
8,500
713(-F)
No heat treat

25,000
3

65


319(-F)
No heat treat
27,000
18,000
2.O
25,000
80
22,000
10,000
319-T6
36,000
24,000
2.0
25,000
80
29,000
10,000
220-T4
46,000
25,000
14.0
26,000
75
33,000
8,000

Note alloy 220 performs well around sea water.
I have included 220 as an example for comparison only. This alloy typically is cast in a magnesium foundry, not a good match  for  Barr Casting Inc.

























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