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PROPERTIES
ALUMINUM
2011-T3
QQ-A-225/3
BRASS
ASTM-B-16
HALF HARD
STEEL
12L14
STAINLESS
303
Tensile Strength (psi)
68,000
70,000
78,000
90,000
Shear Strength (psi)
41,000
36,000
45,000
67,000
Elongation (%)
20
30
55
Modules of Elasticity (psi)
10,600,000
15,000,000
30,000,000
28,000,000
Hardness
RB75
RB77
aRB63
RB90
Specific Gravity
2.77
8.46
7.85
7.9
Melting Point (°F)
1180
1660-1715
2765
2600-2680
Electrical Conductivity (% of Copper)
26
12
2.4
Thermal Conductivity (BTU/hr/ft²/°F/ft)
70
34
10
Coef. Of Thermal Expansion (in/in°F)
12.9
10.2
6.5
9.6
Specific Heat (BTU/lb/°F))
0.23
0.09
0.11
0.12