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359.0 Aluminum vs. ASTM A588 Steel

359.0 aluminum belongs to the aluminum alloys classification, while ASTM A588 steel belongs to the iron alloys. 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 359.0 aluminum and the bottom bar is ASTM A588 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 100
170
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 3.8 to 4.9
22
Fatigue Strength, MPa 100
270
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 220 to 230
350
Tensile Strength: Ultimate (UTS), MPa 340 to 350
550
Tensile Strength: Yield (Proof), MPa 250 to 280
390

Thermal Properties

Latent Heat of Fusion, J/g 530
250 to 260
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 570
1410 to 1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 140
43 to 44
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
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 2.6
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 1090
50 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 15
110
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 540
400
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
24
Strength to Weight: Axial, points 37 to 38
20
Strength to Weight: Bending, points 42 to 43
19
Thermal Diffusivity, mm2/s 59
12
Thermal Shock Resistance, points 16 to 17
16