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5154A Aluminum vs. ACI-ASTM CN7MS Steel

5154A 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 (5, 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 5154A aluminum and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58 to 100
160
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 19
39
Fatigue Strength, MPa 83 to 160
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 230 to 370
540
Tensile Strength: Yield (Proof), MPa 96 to 320
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 600
1350
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
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 8.8
5.1
Embodied Energy, MJ/kg 150
71
Embodied Water, L/kg 1180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 36
170
Resilience: Unit (Modulus of Resilience), kJ/m3 68 to 760
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 24 to 38
19
Strength to Weight: Bending, points 31 to 43
19
Thermal Diffusivity, mm2/s 53
3.2
Thermal Shock Resistance, points 10 to 16
13

Alloy Composition

Aluminum (Al), % 93.7 to 96.9
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0 to 0.25
18 to 20
Copper (Cu), % 0 to 0.1
1.5 to 2.0
Iron (Fe), % 0 to 0.5
45.4 to 53.5
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.5
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 0.5
2.5 to 3.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0