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295.0 Aluminum vs. ASTM A732 Cast Steel

295.0 aluminum belongs to the aluminum alloys classification, while ASTM A732 cast steel belongs to the iron 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 295.0 aluminum and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60 to 93
140 to 440
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 2.0 to 7.2
4.0 to 25
Fatigue Strength, MPa 44 to 55
230 to 750
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72 to 73
Tensile Strength: Ultimate (UTS), MPa 230 to 280
460 to 1470
Tensile Strength: Yield (Proof), MPa 100 to 220
310 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 400
250 to 260
Maximum Temperature: Mechanical, °C 170
400 to 430
Melting Completion (Liquidus), °C 640
1440 to 1460
Melting Onset (Solidus), °C 530
1400 to 1420
Specific Heat Capacity, J/kg-K 880
470 to 480
Thermal Conductivity, W/m-K 140
39 to 50
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.0 to 3.8
Density, g/cm3 3.0
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 7.9
1.4 to 1.7
Embodied Energy, MJ/kg 150
19 to 24
Embodied Water, L/kg 1140
47 to 54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2 to 13
45 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 340
260 to 4770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 21 to 26
16 to 52
Strength to Weight: Bending, points 27 to 32
17 to 37
Thermal Diffusivity, mm2/s 54
10 to 14
Thermal Shock Resistance, points 9.8 to 12
14 to 43