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712.0 Aluminum vs. ASTM A588 Steel

712.0 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 712.0 aluminum and the bottom bar is ASTM A588 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
170
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.5 to 4.7
22
Fatigue Strength, MPa 140 to 180
270
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 180
350
Tensile Strength: Ultimate (UTS), MPa 250 to 260
550
Tensile Strength: Yield (Proof), MPa 180 to 200
390

Thermal Properties

Latent Heat of Fusion, J/g 380
250 to 260
Maximum Temperature: Mechanical, °C 190
410
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 610
1410 to 1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 160
43 to 44
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.3 to 2.5
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.5 to 1.6
Embodied Energy, MJ/kg 150
20 to 22
Embodied Water, L/kg 1140
50 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
110
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 270
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 24 to 25
20
Strength to Weight: Bending, points 30 to 31
19
Thermal Diffusivity, mm2/s 62
12
Thermal Shock Resistance, points 11
16