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ASTM A204 Steel vs. 520.0 Aluminum

ASTM A204 steel belongs to the iron alloys classification, while 520.0 aluminum belongs to the aluminum 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 ASTM A204 steel and the bottom bar is 520.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
75
Elastic (Young's, Tensile) Modulus, GPa 190
66
Elongation at Break, % 18 to 22
14
Fatigue Strength, MPa 200 to 220
55
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
25
Shear Strength, MPa 330 to 360
230
Tensile Strength: Ultimate (UTS), MPa 520 to 590
330
Tensile Strength: Yield (Proof), MPa 290 to 330
170

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1470
600
Melting Onset (Solidus), °C 1420 to 1430
480
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 52
87
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
21
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
72

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
9.5
Density, g/cm3 7.9
2.6
Embodied Carbon, kg CO2/kg material 1.5
9.8
Embodied Energy, MJ/kg 20
160
Embodied Water, L/kg 47
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
39
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
52
Strength to Weight: Axial, points 18 to 21
35
Strength to Weight: Bending, points 18 to 20
41
Thermal Diffusivity, mm2/s 14
37
Thermal Shock Resistance, points 15 to 17
14