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ACI-ASTM CF8 Steel vs. A413.0 Aluminum

ACI-ASTM CF8 steel belongs to the iron alloys classification, while A413.0 aluminum belongs to the aluminum 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 ACI-ASTM CF8 steel and the bottom bar is A413.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
80
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 55
3.5
Fatigue Strength, MPa 260
130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Tensile Strength: Ultimate (UTS), MPa 540
240
Tensile Strength: Yield (Proof), MPa 260
130

Thermal Properties

Latent Heat of Fusion, J/g 300
570
Maximum Temperature: Mechanical, °C 980
170
Melting Completion (Liquidus), °C 1420
590
Melting Onset (Solidus), °C 1430
580
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
31
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 16
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 3.1
7.6
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 150
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
7.1
Resilience: Unit (Modulus of Resilience), kJ/m3 160
120
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
33
Thermal Diffusivity, mm2/s 4.3
52
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 0
82.9 to 89
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 63.8 to 74
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.35
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 11
0 to 0.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
11 to 13
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25