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1050 Aluminum vs. SAE-AISI T4 Steel

1050 aluminum belongs to the aluminum alloys classification, while SAE-AISI T4 steel belongs to the iron 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 1050 aluminum and the bottom bar is SAE-AISI T4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 76 to 140
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Melting Completion (Liquidus), °C 640
1810
Melting Onset (Solidus), °C 650
1750
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 230
21
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.7
9.4
Embodied Carbon, kg CO2/kg material 8.3
8.5
Embodied Energy, MJ/kg 160
130
Embodied Water, L/kg 1200
120

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 50
21
Strength to Weight: Axial, points 7.8 to 14
24 to 64
Strength to Weight: Bending, points 15 to 22
20 to 39
Thermal Diffusivity, mm2/s 94
5.4
Thermal Shock Resistance, points 3.4 to 6.2
24 to 64

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
0.7 to 0.8
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.4
66.3 to 72.3
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.1 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.25
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0 to 0.050
0.8 to 1.2
Zinc (Zn), % 0 to 0.050
0

Comparable Variants