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2014 Aluminum vs. ASTM B685 Alloy

2014 aluminum belongs to the aluminum alloys classification, while ASTM B685 alloy belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 2014 aluminum and the bottom bar is ASTM B685 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 190 to 500
660 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Melting Completion (Liquidus), °C 630
1230
Melting Onset (Solidus), °C 510
1200
Specific Heat Capacity, J/kg-K 870
300
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
4.1

Otherwise Unclassified Properties

Density, g/cm3 3.0
11

Common Calculations

Stiffness to Weight: Axial, points 13
6.1
Stiffness to Weight: Bending, points 46
15
Strength to Weight: Axial, points 18 to 46
17 to 27
Strength to Weight: Bending, points 25 to 46
16 to 21
Thermal Shock Resistance, points 8.4 to 22
28 to 46

Alloy Composition

Aluminum (Al), % 90.4 to 95
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
39.5 to 40.5
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.4 to 1.2
0
Palladium (Pd), % 0
59 to 60.5
Silicon (Si), % 0.5 to 1.2
0
Silver (Ag), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 0.060
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.2

Comparable Variants