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295.0 Aluminum vs. ASTM A204 Steel

295.0 aluminum belongs to the aluminum alloys classification, while ASTM A204 steel belongs to the iron alloys. There are 31 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 295.0 aluminum and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60 to 93
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 2.0 to 7.2
18 to 22
Fatigue Strength, MPa 44 to 55
200 to 220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 180 to 230
330 to 360
Tensile Strength: Ultimate (UTS), MPa 230 to 280
520 to 590
Tensile Strength: Yield (Proof), MPa 100 to 220
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 640
1470
Melting Onset (Solidus), °C 530
1420 to 1430
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 140
52
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2 to 13
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 340
220 to 290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 21 to 26
18 to 21
Strength to Weight: Bending, points 27 to 32
18 to 20
Thermal Diffusivity, mm2/s 54
14
Thermal Shock Resistance, points 9.8 to 12
15 to 17