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EN AC-51500 Aluminum vs. ASTM A414 Steel

EN AC-51500 aluminum belongs to the aluminum alloys classification, while ASTM A414 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-51500 aluminum and the bottom bar is ASTM A414 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
110 to 180
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 5.6
15 to 26
Fatigue Strength, MPa 120
140 to 260
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 280
360 to 590
Tensile Strength: Yield (Proof), MPa 160
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 430
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 120
49 to 50
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.2 to 7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.3 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.2
Density, g/cm3 2.6
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 9.0
1.5 to 1.6
Embodied Energy, MJ/kg 150
20 to 22
Embodied Water, L/kg 1150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
69 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
100 to 330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 29
13 to 21
Strength to Weight: Bending, points 36
14 to 20
Thermal Diffusivity, mm2/s 49
13
Thermal Shock Resistance, points 13
11 to 17