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EN AC-21100 Aluminum vs. 2219 Aluminum

Both EN AC-21100 aluminum and 2219 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 (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 2219 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 6.2 to 7.3
2.2 to 20
Fatigue Strength, MPa 79 to 87
90 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 340 to 350
180 to 480
Tensile Strength: Yield (Proof), MPa 210 to 240
88 to 390

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 670
640
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 130
110 to 170
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
28 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 100
81 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 8.0
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
9.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
54 to 1060
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
44
Strength to Weight: Axial, points 31 to 33
16 to 43
Strength to Weight: Bending, points 36 to 37
23 to 44
Thermal Diffusivity, mm2/s 48
42 to 63
Thermal Shock Resistance, points 15
8.2 to 22

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
91.5 to 93.8
Copper (Cu), % 4.2 to 5.2
5.8 to 6.8
Iron (Fe), % 0 to 0.19
0 to 0.3
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0 to 0.55
0.2 to 0.4
Silicon (Si), % 0 to 0.18
0 to 0.2
Titanium (Ti), % 0.15 to 0.3
0.020 to 0.1
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0 to 0.070
0 to 0.1
Zirconium (Zr), % 0
0.1 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants