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EN AC-21100 Aluminum vs. 2095 Aluminum

Both EN AC-21100 aluminum and 2095 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN AC-21100 aluminum and the bottom bar is 2095 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 6.2 to 7.3
8.5
Fatigue Strength, MPa 79 to 87
200
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 340 to 350
700
Tensile Strength: Yield (Proof), MPa 210 to 240
610

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 670
660
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 880
910
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
35
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.0
8.6
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
1470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
57
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
2640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
46
Strength to Weight: Axial, points 31 to 33
65
Strength to Weight: Bending, points 36 to 37
59
Thermal Diffusivity, mm2/s 48
49
Thermal Shock Resistance, points 15
31

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
91.3 to 94.9
Copper (Cu), % 4.2 to 5.2
3.9 to 4.6
Iron (Fe), % 0 to 0.19
0 to 0.15
Lithium (Li), % 0
0.7 to 1.5
Magnesium (Mg), % 0
0.25 to 0.8
Manganese (Mn), % 0 to 0.55
0 to 0.25
Silicon (Si), % 0 to 0.18
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Titanium (Ti), % 0.15 to 0.3
0 to 0.1
Zinc (Zn), % 0 to 0.070
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.18
Residuals, % 0
0 to 0.15