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SAE-AISI T5 Steel vs. 1070A Aluminum

SAE-AISI T5 steel belongs to the iron alloys classification, while 1070A 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 1070A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
68 to 140

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Melting Completion (Liquidus), °C 1810
640
Melting Onset (Solidus), °C 1750
640
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 21
230
Thermal Expansion, µm/m-K 11
23

Otherwise Unclassified Properties

Base Metal Price, % relative 60
9.0
Density, g/cm3 9.4
2.7
Embodied Carbon, kg CO2/kg material 11
8.2
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 140
1200

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
50
Strength to Weight: Axial, points 25 to 63
7.0 to 14
Strength to Weight: Bending, points 21 to 39
14 to 22
Thermal Diffusivity, mm2/s 5.5
94
Thermal Shock Resistance, points 26 to 66
3.1 to 6.3

Alloy Composition

Aluminum (Al), % 0
99.7 to 100
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
0 to 0.030
Iron (Fe), % 60.6 to 68.3
0 to 0.25
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0.2 to 0.4
0 to 0.030
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 0.2
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0
Zinc (Zn), % 0
0 to 0.070

Comparable Variants