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EN AC-21200 Aluminum vs. EN AC-44000 Aluminum

Both EN AC-21200 aluminum and EN AC-44000 aluminum are aluminum alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is EN AC-21200 aluminum and the bottom bar is EN AC-44000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 130
51
Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 3.9 to 6.2
7.3
Fatigue Strength, MPa 110 to 130
64
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 410 to 440
180
Tensile Strength: Yield (Proof), MPa 270 to 360
86

Thermal Properties

Latent Heat of Fusion, J/g 390
560
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 660
590
Melting Onset (Solidus), °C 550
590
Specific Heat Capacity, J/kg-K 880
910
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
36
Electrical Conductivity: Equal Weight (Specific), % IACS 100
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.0
2.5
Embodied Carbon, kg CO2/kg material 8.0
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 22
11
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 930
51
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 46
55
Strength to Weight: Axial, points 38 to 40
20
Strength to Weight: Bending, points 41 to 43
28
Thermal Diffusivity, mm2/s 49
61
Thermal Shock Resistance, points 18 to 19
8.4

Alloy Composition

Aluminum (Al), % 93.3 to 95.7
87.1 to 90
Copper (Cu), % 4.0 to 5.0
0 to 0.050
Iron (Fe), % 0 to 0.2
0 to 0.19
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0.15 to 0.5
0 to 0.45
Manganese (Mn), % 0.2 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.1
10 to 11.8
Tin (Sn), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.1
0 to 0.15
Zinc (Zn), % 0 to 0.1
0 to 0.070
Residuals, % 0
0 to 0.1