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EN AC-48000 Aluminum vs. ASTM A204 Steel

EN AC-48000 aluminum belongs to the aluminum alloys classification, while ASTM A204 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN AC-48000 aluminum and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.0
18 to 22
Fatigue Strength, MPa 85 to 86
200 to 220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 220 to 310
520 to 590
Tensile Strength: Yield (Proof), MPa 210 to 270
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 570
250
Maximum Temperature: Mechanical, °C 190
410
Melting Completion (Liquidus), °C 600
1470
Melting Onset (Solidus), °C 560
1420 to 1430
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 7.9
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1030
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2 to 3.0
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 510
220 to 290
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 23 to 33
18 to 21
Strength to Weight: Bending, points 31 to 39
18 to 20
Thermal Diffusivity, mm2/s 54
14
Thermal Shock Resistance, points 10 to 15
15 to 17