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B535.0 Aluminum vs. ACI-ASTM CD4MCuN Steel

B535.0 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CD4MCuN steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 B535.0 aluminum and the bottom bar is ACI-ASTM CD4MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 66
200
Elongation at Break, % 10
18
Fatigue Strength, MPa 62
340
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
79
Tensile Strength: Ultimate (UTS), MPa 260
770
Tensile Strength: Yield (Proof), MPa 130
550

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 630
1420
Melting Onset (Solidus), °C 550
1380
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 96
17
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 82
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 9.4
3.5
Embodied Energy, MJ/kg 160
49
Embodied Water, L/kg 1180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
130
Resilience: Unit (Modulus of Resilience), kJ/m3 130
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 28
28
Strength to Weight: Bending, points 35
24
Thermal Diffusivity, mm2/s 40
4.5
Thermal Shock Resistance, points 11
21

Alloy Composition

Aluminum (Al), % 91.7 to 93.4
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
24.5 to 26.5
Copper (Cu), % 0 to 0.1
2.7 to 3.3
Iron (Fe), % 0 to 0.15
59.5 to 66.3
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0 to 0.050
0 to 1.0
Molybdenum (Mo), % 0
1.7 to 2.3
Nickel (Ni), % 0
4.7 to 6.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0.1 to 0.25
0
Residuals, % 0 to 0.15
0