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5051A Aluminum vs. ASTM A210 Steel

5051A aluminum belongs to the aluminum alloys classification, while ASTM A210 steel belongs to the iron alloys. There are 30 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 5051A aluminum and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 18 to 21
34
Fatigue Strength, MPa 51 to 61
230 to 250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 110
320 to 360
Tensile Strength: Ultimate (UTS), MPa 170
470 to 540
Tensile Strength: Yield (Proof), MPa 56
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
400
Melting Completion (Liquidus), °C 640
1460 to 1470
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 150
52 to 53
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.0 to 8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.5
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1190
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 27
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 23
230 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 17 to 18
17 to 19
Strength to Weight: Bending, points 25
17 to 19
Thermal Diffusivity, mm2/s 63
14
Thermal Shock Resistance, points 7.6
15 to 17