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364.0 Aluminum vs. SAE-AISI 4028 Steel

364.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 4028 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 364.0 aluminum and the bottom bar is SAE-AISI 4028 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 7.5
14 to 23
Fatigue Strength, MPa 120
180 to 330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 200
310 to 380
Tensile Strength: Ultimate (UTS), MPa 300
490 to 630
Tensile Strength: Yield (Proof), MPa 160
260 to 520

Thermal Properties

Latent Heat of Fusion, J/g 520
250
Maximum Temperature: Mechanical, °C 190
400
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 560
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 120
49
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.1
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.5
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1080
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
81 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 180
180 to 720
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 31
17 to 22
Strength to Weight: Bending, points 38
18 to 21
Thermal Diffusivity, mm2/s 51
13
Thermal Shock Resistance, points 14
16 to 20

Alloy Composition

Aluminum (Al), % 87.2 to 92
0
Beryllium (Be), % 0.020 to 0.040
0
Carbon (C), % 0
0.25 to 0.3
Chromium (Cr), % 0.25 to 0.5
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 1.5
98.1 to 98.7
Magnesium (Mg), % 0.2 to 0.4
0
Manganese (Mn), % 0 to 0.1
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.5 to 9.5
0.15 to 0.35
Sulfur (S), % 0
0.035 to 0.050
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0