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1200 Aluminum vs. ASTM B780 Alloy

1200 aluminum belongs to the aluminum alloys classification, while ASTM B780 alloy belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, 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 1200 aluminum and the bottom bar is ASTM B780 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
83
Elongation at Break, % 1.1 to 28
1.1 to 9.1
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
30
Shear Strength, MPa 54 to 100
200 to 340
Tensile Strength: Ultimate (UTS), MPa 85 to 180
330 to 590

Thermal Properties

Latent Heat of Fusion, J/g 400
140
Specific Heat Capacity, J/kg-K 900
270
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
70 to 76
Electrical Conductivity: Equal Weight (Specific), % IACS 190
62 to 68

Otherwise Unclassified Properties

Density, g/cm3 2.7
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.5
Stiffness to Weight: Bending, points 50
14
Strength to Weight: Axial, points 8.7 to 19
9.1 to 16
Strength to Weight: Bending, points 16 to 26
11 to 15
Thermal Shock Resistance, points 3.8 to 8.1
16 to 29

Alloy Composition

Aluminum (Al), % 99 to 100
0
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 0 to 0.050
23.5 to 25.7
Iron (Fe), % 0 to 1.0
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0.35 to 0.65
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
74 to 76
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0 to 0.060
Residuals, % 0 to 0.15
0

Comparable Variants