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EN 1.5538 Steel vs. 296.0 Aluminum

EN 1.5538 steel belongs to the iron alloys classification, while 296.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 1.5538 steel and the bottom bar is 296.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 190
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 190
72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 530 to 1810
260 to 270

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 51
130 to 150
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
33 to 37
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
99 to 110

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
11
Density, g/cm3 7.8
3.0
Embodied Carbon, kg CO2/kg material 1.4
7.8
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 48
1110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 19 to 64
24 to 25
Strength to Weight: Bending, points 19 to 42
30 to 31
Thermal Diffusivity, mm2/s 14
51 to 56
Thermal Shock Resistance, points 16 to 53
12

Alloy Composition

Aluminum (Al), % 0
89 to 94
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.35 to 0.4
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
4.0 to 5.0
Iron (Fe), % 97.2 to 98.5
0 to 1.2
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 1.2 to 1.5
0 to 0.35
Nickel (Ni), % 0
0 to 0.35
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
2.0 to 3.0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.35