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EN AC-21100 Aluminum vs. 6012 Aluminum

Both EN AC-21100 aluminum and 6012 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-21100 aluminum and the bottom bar is 6012 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 6.2 to 7.3
9.1 to 11
Fatigue Strength, MPa 79 to 87
55 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 340 to 350
220 to 320
Tensile Strength: Yield (Proof), MPa 210 to 240
110 to 260

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 670
640
Melting Onset (Solidus), °C 550
570
Specific Heat Capacity, J/kg-K 880
890
Thermal Conductivity, W/m-K 130
160
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
45
Electrical Conductivity: Equal Weight (Specific), % IACS 100
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.9
Embodied Carbon, kg CO2/kg material 8.0
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
21 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
94 to 480
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
48
Strength to Weight: Axial, points 31 to 33
22 to 32
Strength to Weight: Bending, points 36 to 37
29 to 37
Thermal Diffusivity, mm2/s 48
62
Thermal Shock Resistance, points 15
10 to 14

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
92.2 to 98
Bismuth (Bi), % 0
0 to 0.7
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 4.2 to 5.2
0 to 0.1
Iron (Fe), % 0 to 0.19
0 to 0.5
Lead (Pb), % 0
0.4 to 2.0
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0 to 0.55
0.4 to 1.0
Silicon (Si), % 0 to 0.18
0.6 to 1.4
Titanium (Ti), % 0.15 to 0.3
0 to 0.2
Zinc (Zn), % 0 to 0.070
0 to 0.3
Residuals, % 0 to 0.1
0 to 0.15

Comparable Variants