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5049 Aluminum vs. ACI-ASTM CF10SMnN Steel

5049 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CF10SMnN steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 5049 aluminum and the bottom bar is ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 52 to 88
190
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 2.0 to 18
34
Fatigue Strength, MPa 79 to 130
260
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Tensile Strength: Ultimate (UTS), MPa 210 to 330
660
Tensile Strength: Yield (Proof), MPa 91 to 280
330

Thermal Properties

Latent Heat of Fusion, J/g 400
340
Maximum Temperature: Mechanical, °C 190
900
Melting Completion (Liquidus), °C 650
1360
Melting Onset (Solidus), °C 620
1310
Specific Heat Capacity, J/kg-K 900
500
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.7
7.5
Embodied Carbon, kg CO2/kg material 8.5
3.1
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 31
180
Resilience: Unit (Modulus of Resilience), kJ/m3 59 to 570
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
26
Strength to Weight: Axial, points 22 to 34
24
Strength to Weight: Bending, points 29 to 39
22
Thermal Shock Resistance, points 9.3 to 15
15

Alloy Composition

Aluminum (Al), % 94.7 to 97.9
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.3
16 to 18
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
59.1 to 65.4
Magnesium (Mg), % 1.6 to 2.5
0
Manganese (Mn), % 0.5 to 1.1
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.4
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0