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EN 1.8891 Steel vs. 8176 Aluminum

EN 1.8891 steel belongs to the iron alloys classification, while 8176 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 1.8891 steel and the bottom bar is 8176 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 19
15
Fatigue Strength, MPa 330
59
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 380
70
Tensile Strength: Ultimate (UTS), MPa 610
160
Tensile Strength: Yield (Proof), MPa 480
95

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
660
Melting Onset (Solidus), °C 1420
650
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 46
230
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
61
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
200

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.7
8.2
Embodied Energy, MJ/kg 24
150
Embodied Water, L/kg 51
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
21
Resilience: Unit (Modulus of Resilience), kJ/m3 630
66
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 12
93
Thermal Shock Resistance, points 18
7.0

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
98.6 to 99.6
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.7
0
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 95.2 to 99
0.4 to 1.0
Manganese (Mn), % 1.0 to 1.7
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.8
0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.025
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.6
0.030 to 0.15
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.2
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15