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852.0 Aluminum vs. ASTM A27 Cast Steel

852.0 aluminum belongs to the aluminum alloys classification, while ASTM A27 cast steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 852.0 aluminum and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.4
25 to 27
Fatigue Strength, MPa 73
170 to 230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 200
460 to 550
Tensile Strength: Yield (Proof), MPa 150
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 190
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 210
1420
Specific Heat Capacity, J/kg-K 840
470
Thermal Conductivity, W/m-K 180
52
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.0 to 7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 3.2
7.8
Embodied Carbon, kg CO2/kg material 8.5
1.4
Embodied Energy, MJ/kg 160
18
Embodied Water, L/kg 1150
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.2
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140 to 260
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 43
24
Strength to Weight: Axial, points 17
16 to 20
Strength to Weight: Bending, points 24
17 to 19
Thermal Diffusivity, mm2/s 65
14
Thermal Shock Resistance, points 8.7
15 to 18