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EN 1.8870 Steel vs. 6110 Aluminum

EN 1.8870 steel belongs to the iron alloys classification, while 6110 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 1.8870 steel and the bottom bar is 6110 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 21
2.2
Fatigue Strength, MPa 310
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 380
290
Tensile Strength: Ultimate (UTS), MPa 610
500
Tensile Strength: Yield (Proof), MPa 450
500

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 39
170
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
42
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
9.5
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 1.7
8.2
Embodied Energy, MJ/kg 22
150
Embodied Water, L/kg 50
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
11
Resilience: Unit (Modulus of Resilience), kJ/m3 530
1770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 22
51
Strength to Weight: Bending, points 20
51
Thermal Diffusivity, mm2/s 10
67
Thermal Shock Resistance, points 18
22

Alloy Composition

Aluminum (Al), % 0
94.4 to 98.4
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0
Chromium (Cr), % 0 to 0.5
0.040 to 0.25
Copper (Cu), % 0 to 0.3
0.2 to 0.7
Iron (Fe), % 95.1 to 100
0 to 0.8
Magnesium (Mg), % 0
0.5 to 1.1
Manganese (Mn), % 0 to 1.7
0.2 to 0.7
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0.7 to 1.5
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.030
0 to 0.15
Vanadium (V), % 0 to 0.080
0
Zinc (Zn), % 0
0 to 0.3
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.15