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2011 Aluminum vs. 1230A Aluminum

Both 2011 aluminum and 1230A aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 2011 aluminum and the bottom bar is 1230A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 8.5 to 18
4.5 to 34
Fatigue Strength, MPa 74 to 120
35 to 74
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 190 to 250
59 to 99
Tensile Strength: Ultimate (UTS), MPa 310 to 420
89 to 170
Tensile Strength: Yield (Proof), MPa 140 to 310
29 to 150

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
640
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 140 to 170
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
60
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
200

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 7.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
6.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
5.9 to 150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
50
Strength to Weight: Axial, points 27 to 37
9.1 to 17
Strength to Weight: Bending, points 32 to 40
16 to 25
Thermal Diffusivity, mm2/s 51 to 64
93
Thermal Shock Resistance, points 14 to 19
4.0 to 7.6

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
99.3 to 100
Bismuth (Bi), % 0.2 to 0.6
0
Copper (Cu), % 5.0 to 6.0
0 to 0.1
Iron (Fe), % 0 to 0.7
0 to 0.7
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0 to 0.4
0 to 0.7
Zinc (Zn), % 0 to 0.3
0 to 0.050
Residuals, % 0 to 0.15
0