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EN AC-71100 Aluminum vs. EN AC-21200 Aluminum

Both EN AC-71100 aluminum and EN AC-21200 aluminum are aluminum alloys. They have 82% of their average alloy composition in common. There are 28 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-71100 aluminum and the bottom bar is EN AC-21200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 72
71
Elongation at Break, % 1.1
3.9 to 6.2
Fatigue Strength, MPa 150
110 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 260
410 to 440
Tensile Strength: Yield (Proof), MPa 230
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 490
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 580
660
Melting Onset (Solidus), °C 520
550
Specific Heat Capacity, J/kg-K 860
880
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
34
Electrical Conductivity: Equal Weight (Specific), % IACS 97
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 7.4
8.0
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1010
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 360
500 to 930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
46
Strength to Weight: Axial, points 25
38 to 40
Strength to Weight: Bending, points 31
41 to 43
Thermal Shock Resistance, points 12
18 to 19

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
93.3 to 95.7
Copper (Cu), % 0 to 0.1
4.0 to 5.0
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.2 to 0.5
0.15 to 0.5
Manganese (Mn), % 0 to 0.15
0.2 to 0.5
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 7.5 to 9.5
0 to 0.1
Tin (Sn), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 9.0 to 10.5
0 to 0.1
Residuals, % 0
0 to 0.1