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852.0 Aluminum vs. ASTM B685 Alloy

852.0 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 (15, 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 852.0 aluminum and the bottom bar is ASTM B685 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 200
660 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 370
180
Melting Completion (Liquidus), °C 640
1230
Melting Onset (Solidus), °C 210
1200
Specific Heat Capacity, J/kg-K 840
300
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
4.1

Otherwise Unclassified Properties

Density, g/cm3 3.2
11

Common Calculations

Stiffness to Weight: Axial, points 12
6.1
Stiffness to Weight: Bending, points 43
15
Strength to Weight: Axial, points 17
17 to 27
Strength to Weight: Bending, points 24
16 to 21
Thermal Shock Resistance, points 8.7
28 to 46

Alloy Composition

Aluminum (Al), % 86.6 to 91.3
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 1.7 to 2.3
39.5 to 40.5
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.6 to 0.9
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0.9 to 1.5
0
Palladium (Pd), % 0
59 to 60.5
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0
0 to 0.2