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ASTM A217 Cast Steel vs. EN AC-43500 Aluminum

ASTM A217 cast steel belongs to the iron alloys classification, while EN AC-43500 aluminum belongs to the aluminum alloys. There are 30 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 ASTM A217 cast steel and the bottom bar is EN AC-43500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
68 to 91
Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 21 to 27
4.5 to 13
Fatigue Strength, MPa 200 to 320
62 to 100
Poisson's Ratio 0.28 to 0.29
0.33
Shear Modulus, GPa 73 to 75
27
Tensile Strength: Ultimate (UTS), MPa 540 to 710
220 to 300
Tensile Strength: Yield (Proof), MPa 270 to 460
140 to 170

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
550
Maximum Temperature: Mechanical, °C 410 to 600
170
Melting Completion (Liquidus), °C 1450 to 1460
600
Melting Onset (Solidus), °C 1410 to 1420
590
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 26 to 50
140
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 9.2
38
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4 to 11
130

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 7.0
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.5 to 2.1
7.8
Embodied Energy, MJ/kg 20 to 28
150
Embodied Water, L/kg 47 to 87
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
12 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 570
130 to 200
Stiffness to Weight: Axial, points 13 to 14
16
Stiffness to Weight: Bending, points 24 to 25
54
Strength to Weight: Axial, points 19 to 25
24 to 33
Strength to Weight: Bending, points 19 to 23
32 to 39
Thermal Diffusivity, mm2/s 6.9 to 14
60
Thermal Shock Resistance, points 16 to 20
10 to 14