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ACI-ASTM CF3M Steel vs. 384.0 Aluminum

ACI-ASTM CF3M steel belongs to the iron alloys classification, while 384.0 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 CF3M steel and the bottom bar is 384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
85
Elastic (Young's, Tensile) Modulus, GPa 200
74
Elongation at Break, % 55
2.5
Fatigue Strength, MPa 270
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
28
Tensile Strength: Ultimate (UTS), MPa 520
330
Tensile Strength: Yield (Proof), MPa 260
170

Thermal Properties

Latent Heat of Fusion, J/g 300
550
Maximum Temperature: Mechanical, °C 990
170
Melting Completion (Liquidus), °C 1440
580
Melting Onset (Solidus), °C 1430
530
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 16
96
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
69

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.9
2.9
Embodied Carbon, kg CO2/kg material 3.8
7.4
Embodied Energy, MJ/kg 53
140
Embodied Water, L/kg 160
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 170
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
37
Thermal Diffusivity, mm2/s 4.3
39
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0
77.3 to 86.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 21
0
Copper (Cu), % 0
3.0 to 4.5
Iron (Fe), % 59.9 to 72
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 13
0 to 0.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
10.5 to 12
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5