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EN AC-21100 Aluminum vs. 711.0 Aluminum

Both EN AC-21100 aluminum and 711.0 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is EN AC-21100 aluminum and the bottom bar is 711.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
70
Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 6.2 to 7.3
7.8
Fatigue Strength, MPa 79 to 87
100
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 340 to 350
220
Tensile Strength: Yield (Proof), MPa 210 to 240
140

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 670
640
Melting Onset (Solidus), °C 550
610
Specific Heat Capacity, J/kg-K 880
860
Thermal Conductivity, W/m-K 130
160
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
40
Electrical Conductivity: Equal Weight (Specific), % IACS 100
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.0
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
15
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
45
Strength to Weight: Axial, points 31 to 33
20
Strength to Weight: Bending, points 36 to 37
26
Thermal Diffusivity, mm2/s 48
61
Thermal Shock Resistance, points 15
9.3

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
89.8 to 92.7
Copper (Cu), % 4.2 to 5.2
0.35 to 0.65
Iron (Fe), % 0 to 0.19
0.7 to 1.4
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0 to 0.55
0 to 0.050
Silicon (Si), % 0 to 0.18
0 to 0.3
Titanium (Ti), % 0.15 to 0.3
0 to 0.2
Zinc (Zn), % 0 to 0.070
6.0 to 7.0
Residuals, % 0
0 to 0.15