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EN AC-21100 Aluminum vs. 6065 Aluminum

Both EN AC-21100 aluminum and 6065 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 6065 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
68
Elongation at Break, % 6.2 to 7.3
4.5 to 11
Fatigue Strength, MPa 79 to 87
96 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 340 to 350
310 to 400
Tensile Strength: Yield (Proof), MPa 210 to 240
270 to 380

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 670
640
Melting Onset (Solidus), °C 550
590
Specific Heat Capacity, J/kg-K 880
890
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
43
Electrical Conductivity: Equal Weight (Specific), % IACS 100
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.0
2.8
Embodied Carbon, kg CO2/kg material 8.0
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
540 to 1040
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
49
Strength to Weight: Axial, points 31 to 33
31 to 40
Strength to Weight: Bending, points 36 to 37
36 to 43
Thermal Diffusivity, mm2/s 48
67
Thermal Shock Resistance, points 15
14 to 18

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
94.4 to 98.2
Bismuth (Bi), % 0
0.5 to 1.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 4.2 to 5.2
0.15 to 0.4
Iron (Fe), % 0 to 0.19
0 to 0.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0 to 0.55
0 to 0.15
Silicon (Si), % 0 to 0.18
0.4 to 0.8
Titanium (Ti), % 0.15 to 0.3
0 to 0.1
Zinc (Zn), % 0 to 0.070
0 to 0.25
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0 to 0.1
0 to 0.15

Comparable Variants