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5052 Aluminum vs. ACI-ASTM CN7MS Steel

5052 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CN7MS steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 5052 aluminum and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 46 to 83
160
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 22
39
Fatigue Strength, MPa 66 to 140
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 190 to 320
540
Tensile Strength: Yield (Proof), MPa 75 to 280
230

Thermal Properties

Latent Heat of Fusion, J/g 400
340
Maximum Temperature: Mechanical, °C 190
1040
Melting Completion (Liquidus), °C 650
1400
Melting Onset (Solidus), °C 610
1350
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
12
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.6
5.1
Embodied Energy, MJ/kg 150
71
Embodied Water, L/kg 1190
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 69
170
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 590
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 19 to 33
19
Strength to Weight: Bending, points 27 to 38
19
Thermal Diffusivity, mm2/s 57
3.2
Thermal Shock Resistance, points 8.3 to 14
13

Alloy Composition

Aluminum (Al), % 95.8 to 97.7
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0.15 to 0.35
18 to 20
Copper (Cu), % 0 to 0.1
1.5 to 2.0
Iron (Fe), % 0 to 0.4
45.4 to 53.5
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
22 to 25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
2.5 to 3.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0