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1050A Aluminum vs. ACI-ASTM CF3MN Steel

1050A aluminum belongs to the aluminum alloys classification, while ACI-ASTM CF3MN steel belongs to the iron 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 1050A aluminum and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 20 to 45
170
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 33
39
Fatigue Strength, MPa 22 to 55
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 68 to 170
580
Tensile Strength: Yield (Proof), MPa 22 to 150
290

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 170
1010
Melting Completion (Liquidus), °C 660
1440
Melting Onset (Solidus), °C 650
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 230
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 200
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
19
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
3.9
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1200
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
190
Resilience: Unit (Modulus of Resilience), kJ/m3 3.7 to 160
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 6.9 to 18
20
Strength to Weight: Bending, points 14 to 25
20
Thermal Diffusivity, mm2/s 94
4.1
Thermal Shock Resistance, points 3.0 to 7.6
13

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 22
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.4
58.7 to 71.9
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.070
0