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ACI-ASTM CF3MN Steel vs. EN AC-51500 Aluminum

ACI-ASTM CF3MN steel belongs to the iron alloys classification, while EN AC-51500 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 CF3MN steel and the bottom bar is EN AC-51500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
80
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 39
5.6
Fatigue Strength, MPa 250
120
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
26
Tensile Strength: Ultimate (UTS), MPa 580
280
Tensile Strength: Yield (Proof), MPa 290
160

Thermal Properties

Latent Heat of Fusion, J/g 300
430
Maximum Temperature: Mechanical, °C 1010
170
Melting Completion (Liquidus), °C 1440
630
Melting Onset (Solidus), °C 1390
590
Specific Heat Capacity, J/kg-K 480
910
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
88

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 3.9
9.0
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 160
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
13
Resilience: Unit (Modulus of Resilience), kJ/m3 210
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
52
Strength to Weight: Axial, points 20
29
Strength to Weight: Bending, points 20
36
Thermal Diffusivity, mm2/s 4.1
49
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0
89.8 to 93.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 22
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 58.7 to 71.9
0 to 0.25
Magnesium (Mg), % 0
4.7 to 6.0
Manganese (Mn), % 0 to 1.5
0.4 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 13
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
1.8 to 2.6
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.15