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390.0 Aluminum vs. ASTM A588 Steel

390.0 aluminum belongs to the aluminum alloys classification, while ASTM A588 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 390.0 aluminum and the bottom bar is ASTM A588 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
170
Elastic (Young's, Tensile) Modulus, GPa 75
190
Elongation at Break, % 1.0
22
Fatigue Strength, MPa 76 to 110
270
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 280 to 300
550
Tensile Strength: Yield (Proof), MPa 240 to 270
390

Thermal Properties

Latent Heat of Fusion, J/g 640
250 to 260
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 560
1410 to 1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
43 to 44
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 25
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 79 to 83
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.3 to 2.5
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.3
1.5 to 1.6
Embodied Energy, MJ/kg 130
20 to 22
Embodied Water, L/kg 950
50 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
110
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
400
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 28 to 30
20
Strength to Weight: Bending, points 35 to 36
19
Thermal Diffusivity, mm2/s 56
12
Thermal Shock Resistance, points 14 to 15
16