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515.0 Aluminum vs. ASTM A209 Steel

515.0 aluminum belongs to the aluminum alloys classification, while ASTM A209 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 515.0 aluminum and the bottom bar is ASTM A209 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 10
34
Fatigue Strength, MPa 130
180 to 200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 190
280 to 310
Tensile Strength: Ultimate (UTS), MPa 280
420 to 460

Thermal Properties

Latent Heat of Fusion, J/g 470
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 620
1470
Melting Onset (Solidus), °C 620
1420 to 1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Expansion, µm/m-K 23
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.4
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1120
47

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 30
15 to 16
Strength to Weight: Bending, points 36
16 to 17
Thermal Shock Resistance, points 13
12 to 14