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7108A Aluminum vs. ASTM A210 Steel

7108A 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 7108A aluminum and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 11 to 13
34
Fatigue Strength, MPa 120 to 130
230 to 250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 210
320 to 360
Tensile Strength: Ultimate (UTS), MPa 350
470 to 540
Tensile Strength: Yield (Proof), MPa 290 to 300
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 210
400
Melting Completion (Liquidus), °C 630
1460 to 1470
Melting Onset (Solidus), °C 520
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 150
52 to 53
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.0 to 8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1150
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
230 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 33 to 34
17 to 19
Strength to Weight: Bending, points 38
17 to 19
Thermal Diffusivity, mm2/s 59
14
Thermal Shock Resistance, points 15 to 16
15 to 17