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EN AC-44500 Aluminum vs. ASTM A216 Cast Steel

EN AC-44500 aluminum belongs to the aluminum alloys classification, while ASTM A216 cast steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 EN AC-44500 aluminum and the bottom bar is ASTM A216 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.1
25 to 27
Fatigue Strength, MPa 110
170 to 230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 270
500 to 570
Tensile Strength: Yield (Proof), MPa 160
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 570
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 590
1450 to 1460
Melting Onset (Solidus), °C 580
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
49 to 52
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.1 to 7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.5
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 1050
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
140 to 250
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 29
18 to 20
Strength to Weight: Bending, points 36
18 to 20
Thermal Diffusivity, mm2/s 57
13 to 14
Thermal Shock Resistance, points 13
16 to 18