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EN 1.8912 Steel vs. 515.0 Aluminum

EN 1.8912 steel belongs to the iron alloys classification, while 515.0 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 1.8912 steel and the bottom bar is 515.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 20
10
Fatigue Strength, MPa 290
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 380
190
Tensile Strength: Ultimate (UTS), MPa 600
280

Thermal Properties

Latent Heat of Fusion, J/g 250
470
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1460
620
Melting Onset (Solidus), °C 1420
620
Specific Heat Capacity, J/kg-K 470
900
Thermal Expansion, µm/m-K 13
23

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.8
8.4
Embodied Energy, MJ/kg 24
150
Embodied Water, L/kg 51
1120

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
52
Strength to Weight: Axial, points 21
30
Strength to Weight: Bending, points 20
36
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0 to 0.015
93.6 to 96.6
Carbon (C), % 0 to 0.22
0
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 0 to 0.6
0 to 0.2
Iron (Fe), % 95 to 99.05
0 to 1.3
Magnesium (Mg), % 0
2.5 to 4.0
Manganese (Mn), % 1.0 to 1.8
0.4 to 0.6
Molybdenum (Mo), % 0 to 0.13
0
Nickel (Ni), % 0 to 0.85
0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.65
0.5 to 10
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.22
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15