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EN 1.0108 Steel vs. EN AC-51400 Aluminum

EN 1.0108 steel belongs to the iron alloys classification, while EN AC-51400 aluminum belongs to the aluminum 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 1.0108 steel and the bottom bar is EN AC-51400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
71
Elastic (Young's, Tensile) Modulus, GPa 190
67
Elongation at Break, % 29
3.4
Fatigue Strength, MPa 150
85
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
25
Tensile Strength: Ultimate (UTS), MPa 380
190
Tensile Strength: Yield (Proof), MPa 200
120

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
600
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 50
110
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
31
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
110

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 1.5
9.1
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 48
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 110
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 13
20
Strength to Weight: Bending, points 15
28
Thermal Diffusivity, mm2/s 13
46
Thermal Shock Resistance, points 12
8.6

Alloy Composition

Aluminum (Al), % 0.020 to 0.2
90.5 to 95.5
Carbon (C), % 0 to 0.13
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0 to 0.050
Iron (Fe), % 97.5 to 99.98
0 to 0.55
Magnesium (Mg), % 0
4.5 to 6.5
Manganese (Mn), % 0 to 0.7
0 to 0.45
Molybdenum (Mo), % 0 to 0.080
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.35
0 to 1.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.040
0 to 0.2
Vanadium (V), % 0 to 0.020
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15