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A535.0 Aluminum vs. ACI-ASTM CA15M Steel

A535.0 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CA15M 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 A535.0 aluminum and the bottom bar is ACI-ASTM CA15M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
200
Elongation at Break, % 9.0
20
Fatigue Strength, MPa 95
330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
76
Tensile Strength: Ultimate (UTS), MPa 250
690
Tensile Strength: Yield (Proof), MPa 120
510

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 170
760
Melting Completion (Liquidus), °C 620
1450
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 100
27
Thermal Expansion, µm/m-K 24
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 79
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.5
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 9.3
2.1
Embodied Energy, MJ/kg 160
29
Embodied Water, L/kg 1180
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
130
Resilience: Unit (Modulus of Resilience), kJ/m3 120
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 33
22
Thermal Diffusivity, mm2/s 42
7.2
Thermal Shock Resistance, points 11
25

Alloy Composition

Aluminum (Al), % 91.4 to 93.4
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
11.5 to 14
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
82.1 to 88.4
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0.1 to 0.25
0 to 1.0
Molybdenum (Mo), % 0
0.15 to 1.0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.65
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.25
0
Residuals, % 0 to 0.15
0