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EN 1.0234 Steel vs. 7108 Aluminum

EN 1.0234 steel belongs to the iron alloys classification, while 7108 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 1.0234 steel and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 12 to 29
11
Fatigue Strength, MPa 170 to 270
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 260 to 300
210
Tensile Strength: Ultimate (UTS), MPa 350 to 480
350
Tensile Strength: Yield (Proof), MPa 220 to 410
290

Thermal Properties

Latent Heat of Fusion, J/g 250
380
Maximum Temperature: Mechanical, °C 400
210
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1420
530
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 53
150
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
39
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
120

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.9
2.9
Embodied Carbon, kg CO2/kg material 1.4
8.3
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 46
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 130
38
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 440
620
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 12 to 17
34
Strength to Weight: Bending, points 14 to 17
38
Thermal Diffusivity, mm2/s 14
59
Thermal Shock Resistance, points 11 to 15
16

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
92.4 to 94.7
Carbon (C), % 0.13 to 0.17
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 99.02 to 99.5
0 to 0.1
Magnesium (Mg), % 0
0.7 to 1.4
Manganese (Mn), % 0.35 to 0.6
0 to 0.050
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15