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ACI-ASTM CF8 Steel vs. 383.0 Aluminum

ACI-ASTM CF8 steel belongs to the iron alloys classification, while 383.0 aluminum belongs to the aluminum 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 ACI-ASTM CF8 steel and the bottom bar is 383.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
75
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 55
3.5
Fatigue Strength, MPa 260
150
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Tensile Strength: Ultimate (UTS), MPa 540
280
Tensile Strength: Yield (Proof), MPa 260
150

Thermal Properties

Latent Heat of Fusion, J/g 300
540
Maximum Temperature: Mechanical, °C 980
170
Melting Completion (Liquidus), °C 1420
580
Melting Onset (Solidus), °C 1430
540
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 16
96
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
74

Otherwise Unclassified Properties

Base Metal Price, % relative 16
10
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 3.1
7.5
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 150
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 160
150
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 19
28
Strength to Weight: Bending, points 19
34
Thermal Diffusivity, mm2/s 4.3
39
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0
79.7 to 88.5
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
2.0 to 3.0
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 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 11
0 to 0.3
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
9.5 to 11.5
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5