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5040 Aluminum vs. ASTM A210 Steel

5040 aluminum belongs to the aluminum alloys classification, while ASTM A210 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 5040 aluminum and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 66 to 74
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 5.7 to 6.8
34
Fatigue Strength, MPa 100 to 130
230 to 250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 140 to 150
320 to 360
Tensile Strength: Ultimate (UTS), MPa 240 to 260
470 to 540
Tensile Strength: Yield (Proof), MPa 190 to 230
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
400
Melting Completion (Liquidus), °C 650
1460 to 1470
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
52 to 53
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
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 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1180
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 15
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 380
230 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 24 to 26
17 to 19
Strength to Weight: Bending, points 31 to 32
17 to 19
Thermal Diffusivity, mm2/s 64
14
Thermal Shock Resistance, points 10 to 11
15 to 17