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EN 1.8888 Steel vs. A380.0 Aluminum

EN 1.8888 steel belongs to the iron alloys classification, while A380.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.8888 steel and the bottom bar is A380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
80
Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 16
3.3
Fatigue Strength, MPa 470
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Shear Strength, MPa 510
190
Tensile Strength: Ultimate (UTS), MPa 830
290
Tensile Strength: Yield (Proof), MPa 720
160

Thermal Properties

Latent Heat of Fusion, J/g 260
510
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1460
590
Melting Onset (Solidus), °C 1420
550
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 40
96
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
25
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
78

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
11
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 1.9
7.5
Embodied Energy, MJ/kg 26
140
Embodied Water, L/kg 54
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
8.3
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
48
Strength to Weight: Axial, points 29
28
Strength to Weight: Bending, points 25
34
Thermal Diffusivity, mm2/s 11
38
Thermal Shock Resistance, points 24
13

Alloy Composition

Aluminum (Al), % 0
80.3 to 89.5
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 0 to 1.5
0
Copper (Cu), % 0 to 0.3
3.0 to 4.0
Iron (Fe), % 91.9 to 100
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.7
0 to 0.5
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 2.5
0 to 0.5
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.8
7.5 to 9.5
Sulfur (S), % 0 to 0.0050
0
Tin (Sn), % 0
0 to 0.35
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zinc (Zn), % 0
0 to 3.0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.5