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EN AC-45000 Aluminum vs. EN 1.0303 Steel

EN AC-45000 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-45000 aluminum and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
84 to 120
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.1
12 to 25
Fatigue Strength, MPa 75
150 to 230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 180
290 to 410
Tensile Strength: Yield (Proof), MPa 110
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 470
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 640
1470
Melting Onset (Solidus), °C 520
1430
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 120
53
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 81
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.7
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 1070
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 80
110 to 270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 17
10 to 15
Strength to Weight: Bending, points 24
12 to 16
Thermal Diffusivity, mm2/s 47
14
Thermal Shock Resistance, points 8.0
9.2 to 13

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0.020 to 0.060
Carbon (C), % 0
0.020 to 0.060
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 0 to 1.0
99.335 to 99.71
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0.25 to 0.4
Nickel (Ni), % 0 to 0.45
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 5.0 to 7.0
0 to 0.1
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0