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2095 Aluminum vs. Grade TDC Steel

2095 aluminum belongs to the aluminum alloys classification, while grade TDC steel belongs to the iron alloys. There are 24 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 2095 aluminum and the bottom bar is grade TDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 700
1700

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 210
400
Melting Completion (Liquidus), °C 660
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 130
51
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.9
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.6
1.4
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 1470
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 65
60
Strength to Weight: Bending, points 59
40
Thermal Diffusivity, mm2/s 49
14
Thermal Shock Resistance, points 31
50

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0
Carbon (C), % 0
0.6 to 0.75
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 3.9 to 4.6
0 to 0.1
Iron (Fe), % 0 to 0.15
98 to 99.4
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
0.5 to 1.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.12
0.1 to 0.35
Silver (Ag), % 0.25 to 0.6
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0 to 0.15
0