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713.0 Aluminum vs. ACI-ASTM CF8C Steel

713.0 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CF8C steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 713.0 aluminum and the bottom bar is ACI-ASTM CF8C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 74 to 75
150
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 3.9 to 4.3
40
Fatigue Strength, MPa 63 to 120
220
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 240 to 260
530
Tensile Strength: Yield (Proof), MPa 170
260

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Mechanical, °C 180
980
Melting Completion (Liquidus), °C 630
1420
Melting Onset (Solidus), °C 610
1430
Specific Heat Capacity, J/kg-K 860
480
Thermal Conductivity, W/m-K 150
16
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 7.8
3.7
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.7 to 9.9
180
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 220
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 22 to 23
19
Strength to Weight: Bending, points 28 to 29
19
Thermal Diffusivity, mm2/s 57
4.3
Thermal Shock Resistance, points 10 to 11
11

Alloy Composition

Aluminum (Al), % 87.6 to 92.4
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.35
18 to 21
Copper (Cu), % 0.4 to 1.0
0
Iron (Fe), % 0 to 1.1
61.8 to 73
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.6
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.15
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.0 to 8.0
0
Residuals, % 0 to 0.25
0