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SAE-AISI P5 Steel vs. EN AC-48100 Aluminum

SAE-AISI P5 steel belongs to the iron alloys classification, while EN AC-48100 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 SAE-AISI P5 steel and the bottom bar is EN AC-48100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
29
Tensile Strength: Ultimate (UTS), MPa 370 to 1980
240 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
640
Melting Completion (Liquidus), °C 1460
580
Melting Onset (Solidus), °C 1420
470
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 45
130
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
87

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
11
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 1.5
7.3
Embodied Energy, MJ/kg 20
130
Embodied Water, L/kg 56
940

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 13 to 70
24 to 33
Strength to Weight: Bending, points 15 to 45
31 to 38
Thermal Diffusivity, mm2/s 12
55
Thermal Shock Resistance, points 12 to 65
11 to 16

Alloy Composition

Aluminum (Al), % 0
72.1 to 79.8
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.25
4.0 to 5.0
Iron (Fe), % 95.7 to 97.8
0 to 1.3
Magnesium (Mg), % 0
0.25 to 0.65
Manganese (Mn), % 0.2 to 0.6
0 to 0.5
Nickel (Ni), % 0 to 0.35
0 to 0.3
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.4
16 to 18
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.25