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Reference Tables -- Properties of Aluminum Die Casting Alloys

 

PROPERTIES OF ALUMINUM DIE CASTING ALLOYS
  AA NUMBER
A360.0 A380.0 383 A413.0 B390.0 384
Ultimate Tensile Strength
(ksi)
46 47 45 42 40.5 48
TensileYield Strength
(ksi)
24 23 22 19 35 24
Elongation
(% in 2" G.L.)
3.5 3.5 3.5 3.5   1.0 2.5
Hardness
(HB)
75 80 80 120 85  
Shear Strength
(ksi)
26 27 25 29    
Charpy Impact Strength
(ft. lb.—unnotched)
4.2 3.5   2    
Fatigue Strength (ksi)
(limit @ 500 million cycles)
18 20 19 20   20
Density
(lb./in.3)
0.095 0.098 0.097 0.096 0.099 0.098
Melting Range
(oF) approx.
1035-1105 1000-1100 960-1080 1065-1080 945-1200 960-1080
Specific Heat
(Btu/lb.oF)
0.23 0.23 0.23      
Coefficient of Thermal Expansion
(in./in./oF)
11.8 11.7 11.5 10.3 11.7 11.3
Thermal Conductivity (Btu/fthr.oF) 65.3 55.6 55.6 67.7 78.6 56
Electrical Conductivity
(% IACS)
29 31 23 31 25 23
Modulus of Elasticity
(106 psi)
10.3 10.3 10.3 10.3 11.9 10.3

 

 

 

 

 


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