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SAE-AISI T5 Steel vs. 2095 Aluminum

SAE-AISI T5 steel belongs to the iron alloys classification, while 2095 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 T5 steel and the bottom bar is 2095 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
700

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Melting Completion (Liquidus), °C 1810
660
Melting Onset (Solidus), °C 1750
540
Specific Heat Capacity, J/kg-K 410
910
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 11
23

Otherwise Unclassified Properties

Base Metal Price, % relative 60
31
Density, g/cm3 9.4
3.0
Embodied Carbon, kg CO2/kg material 11
8.6
Embodied Energy, MJ/kg 170
160
Embodied Water, L/kg 140
1470

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
46
Strength to Weight: Axial, points 25 to 63
65
Strength to Weight: Bending, points 21 to 39
59
Thermal Diffusivity, mm2/s 5.5
49
Thermal Shock Resistance, points 26 to 66
31

Alloy Composition

Aluminum (Al), % 0
91.3 to 94.9
Carbon (C), % 0.75 to 0.85
0
Chromium (Cr), % 3.8 to 5.0
0
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
3.9 to 4.6
Iron (Fe), % 60.6 to 68.3
0 to 0.15
Lithium (Li), % 0
0.7 to 1.5
Magnesium (Mg), % 0
0.25 to 0.8
Manganese (Mn), % 0.2 to 0.4
0 to 0.25
Molybdenum (Mo), % 0.5 to 1.3
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.18
Residuals, % 0
0 to 0.15