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EN AC-21100 Aluminum vs. 2195 Aluminum

Both EN AC-21100 aluminum and 2195 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 2195 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 6.2 to 7.3
9.3
Fatigue Strength, MPa 79 to 87
190
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 340 to 350
590
Tensile Strength: Yield (Proof), MPa 210 to 240
560

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
550
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

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

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
54
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
2290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
46
Strength to Weight: Axial, points 31 to 33
55
Strength to Weight: Bending, points 36 to 37
53
Thermal Diffusivity, mm2/s 48
49
Thermal Shock Resistance, points 15
26

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
91.9 to 94.9
Copper (Cu), % 4.2 to 5.2
3.7 to 4.3
Iron (Fe), % 0 to 0.19
0 to 0.15
Lithium (Li), % 0
0.8 to 1.2
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
0.080 to 0.16
Residuals, % 0 to 0.1
0 to 0.15