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336.0 Aluminum vs. ACI-ASTM CT15C Steel

336.0 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CT15C steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
140
Elastic (Young's, Tensile) Modulus, GPa 75
200
Elongation at Break, % 0.5
23
Fatigue Strength, MPa 80 to 93
130
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 250 to 320
500
Tensile Strength: Yield (Proof), MPa 190 to 300
190

Thermal Properties

Latent Heat of Fusion, J/g 570
310
Maximum Temperature: Mechanical, °C 210
1080
Melting Completion (Liquidus), °C 570
1410
Melting Onset (Solidus), °C 540
1360
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 95
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 2.8
8.0
Embodied Carbon, kg CO2/kg material 7.9
6.1
Embodied Energy, MJ/kg 140
88
Embodied Water, L/kg 1010
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1 to 1.6
90
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
93
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 25 to 32
17
Strength to Weight: Bending, points 32 to 38
17
Thermal Diffusivity, mm2/s 48
3.2
Thermal Shock Resistance, points 12 to 16
12

Alloy Composition

Aluminum (Al), % 79.1 to 85.8
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 0 to 1.2
40.3 to 49.2
Magnesium (Mg), % 0.7 to 1.3
0
Manganese (Mn), % 0 to 0.35
0.15 to 1.5
Nickel (Ni), % 2.0 to 3.0
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 11 to 13
0.15 to 1.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0