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EN AC-51500 Aluminum vs. EN 1.0303 Steel

EN AC-51500 aluminum belongs to the aluminum alloys classification, while EN 1.0303 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
84 to 120
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 5.6
12 to 25
Fatigue Strength, MPa 120
150 to 230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 280
290 to 410
Tensile Strength: Yield (Proof), MPa 160
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 430
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 630
1470
Melting Onset (Solidus), °C 590
1430
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 120
53
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 88
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 9.0
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 190
110 to 270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 29
10 to 15
Strength to Weight: Bending, points 36
12 to 16
Thermal Diffusivity, mm2/s 49
14
Thermal Shock Resistance, points 13
9.2 to 13

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0.020 to 0.060
Carbon (C), % 0
0.020 to 0.060
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.25
99.335 to 99.71
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0.25 to 0.4
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 1.8 to 2.6
0 to 0.1
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.15
0