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336.0 Aluminum vs. SAE-AISI T15 Steel

336.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI T15 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 336.0 aluminum and the bottom bar is SAE-AISI T15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 250 to 320
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 570
250
Melting Completion (Liquidus), °C 570
1690
Melting Onset (Solidus), °C 540
1640
Specific Heat Capacity, J/kg-K 890
430
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
43
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 7.9
16
Embodied Energy, MJ/kg 140
250
Embodied Water, L/kg 1010
140

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
22
Strength to Weight: Axial, points 25 to 32
26 to 71
Strength to Weight: Bending, points 32 to 38
22 to 43
Thermal Diffusivity, mm2/s 48
5.6
Thermal Shock Resistance, points 12 to 16
26 to 70

Alloy Composition

Aluminum (Al), % 79.1 to 85.8
0
Carbon (C), % 0
1.5 to 1.6
Chromium (Cr), % 0
3.8 to 5.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0.5 to 1.5
0 to 0.25
Iron (Fe), % 0 to 1.2
67.5 to 73.5
Magnesium (Mg), % 0.7 to 1.3
0
Manganese (Mn), % 0 to 0.35
0.15 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 2.0 to 3.0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 11 to 13
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3
Zinc (Zn), % 0 to 0.35
0