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A380.0 Aluminum vs. ASTM A588 Steel

A380.0 aluminum belongs to the aluminum alloys classification, while ASTM A588 steel belongs to the iron alloys. There are 31 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 A380.0 aluminum and the bottom bar is ASTM A588 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
170
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 3.3
22
Fatigue Strength, MPa 140
270
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 190
350
Tensile Strength: Ultimate (UTS), MPa 290
550
Tensile Strength: Yield (Proof), MPa 160
390

Thermal Properties

Latent Heat of Fusion, J/g 510
250 to 260
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 550
1410 to 1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 96
43 to 44
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 78
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.3 to 2.5
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
1.5 to 1.6
Embodied Energy, MJ/kg 140
20 to 22
Embodied Water, L/kg 1040
50 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 34
19
Thermal Diffusivity, mm2/s 38
12
Thermal Shock Resistance, points 13
16